Release Notes for Cisco ONS 15454 Release 7.0.5
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Table Of Contents
Release Notes for Cisco ONS 15454 Release 7.0.5
Maintenance and Administration
Mismatch Equipment Attributes Alarm on EIA
ONS 15454 Conducted Emissions Kit
CSCdv10824: Netscape Plugins Directory
Active Cross Connect (XC10G/XCVT) or TCC2/TCC2P Card Removal
SONET and SDH Card Compatibility
CSCds02031 and CSCsb49501 E1000-2/E100
CSCds13769: Fujitsu FLM-150 and Nortel OC-3 Express
Active Cross Connect (XC10G/XCVT) or TCC2/TCC2P Card Removal
Resolved Caveats for Release 7.0.x
Maintenance and Administration
New Features and Functionality
MXP_MR_10DME-C and MXP_MR_10DME-L Multirate Muxponder Cards
TXP_MR_10E_C and TXP_MR_10E_L Multirate Transponder Cards
MXP_2.5G_10E_C and MXP_2.5G_10E_L Cards
New MXP_MR_2.5G and MXPP_MR_2.5G Muxponder Cards
OPT-BST-L Optical Booster Card
32WSS-L Wavelength Selective Switch Card
New Software Features and Functionality
CTC Support for Full C-band and L-band Trunk Wavelength Tunability
ROADM Multishelf Configuration Alarming
Optical Channel Trail and Client Connection Circuits
Data Communications Network Tool
Advanced Circuit Filtering and Export
Superuser Privileges for Provisioning Users
CTC Download Highest Level NET JAR File
Local Domain Creation and Viewing
Obtaining Documentation and Submitting a Service Request
Release Notes for Cisco ONS 15454 Release 7.0.5
June 2008
Note
The terms "Unidirectional Path Switched Ring" and "UPSR" may appear in Cisco literature. These terms do not refer to using Cisco ONS 15xxx products in a unidirectional path switched ring configuration. Rather, these terms, as well as "Path Protected Mesh Network" and "PPMN," refer generally to Cisco's path protection feature, which may be used in any topological network configuration. Cisco does not recommend using its path protection feature in any particular topological network configuration.
Release notes address closed (maintenance) issues, caveats, and new features for the Cisco ONS 15454 SONET multiplexer. For detailed information regarding features, capabilities, hardware, and software introduced with this release, refer to the "Release 7.0" version of the Cisco ONS 15454 DWDM Installation and Operations Guide; and the "Release 7.0" version of the Cisco ONS 15454 Procedure Guide; Cisco ONS 15454 Reference Manual; Cisco ONS 15454 Troubleshooting Guide; and Cisco ONS 15454 SONET TL1 Command Guide. For the most current version of the Release Notes for Cisco ONS 15454 Release 7.0.5, visit the following URL:
http://www.cisco.com/en/US/products/hw/optical/ps2006/prod_release_notes_list.html
Cisco also provides Bug Toolkit, a web resource for tracking defects. To access Bug Toolkit, visit the following URL:
http://tools.cisco.com/Support/BugToolKit/action.do?hdnAction=searchBugs
Contents
Resolved Caveats for Release 7.0.x
New Features and Functionality
Obtaining Documentation and Submitting a Service Request
Changes to the Release Notes
This section documents supplemental changes that have been added to the Release Notes for Cisco ONS 15454 Release 7.0.5 since the production of the Cisco ONS 15454 System Software CD for Release 7.0.5.
The following change has been added to the release notes for Release 7.0.5.
Change to Caveats
The following caveat has been added to the release notes:
Caveats
Review the notes listed below before deploying the ONS 15454. Caveats with tracking numbers are known system limitations that are scheduled to be addressed in a subsequent release. Caveats without tracking numbers are provided to point out procedural or situational considerations when deploying the product.
Alarms
CSCsj26750
When the card type in CTC is changed from DS1_14 to DS1_E1_56 with DS1-14 physical card in the slot, the LED in DS1_14 card will show Act (Green) LED, instead of Fail (RED) LED. This issue will be resolved in a future release.
Hardware
CSCed18803
Rarely, the non-enhanced Muxponder unit does not pass Jitter Tolerance test from Trunk port to client port as per ITU-T G.825, 2 Mb/s mask, at the 10 Hz specific setpoint. The Muxponder should be configured with G.709 Off, FEC Off and Trunk signal provided by external Jitter test box, and the unit client port output monitored for errors, to see this issue. This issue will not be resolved. Note that in normal network configurations the muxponder is operated with G.709 and FEC turned on, and the jitter tolerance tests pass.
CSCuk48503
Under specific conditions the non-enhanced MXPD does not pass the Telcordia GR-253/G.825 Jitter generation mask test on 10G TX Trunk port. The 2.5 G TX Client jitter generation is always within mask and does not exhibit this issue. This occurs only when, in SONET mode, there is no FEC, no G.709, and client interfaces are looped back, with non-synchronous clocking, and the jitter testbox TX connected to Trunk RX port, while the jitter testbox RX is connected to the Trunk TX port. The jitter testbox TX clock recovers from RX with an additional 5 ppm offset added. This issue will not be resolved.
CSCuk44284
An optical connector and optical attenuators inserted into the SFP may force the fiber against the shelf door when it is closed. Use the following types of optical connectors and optical attenuators when connecting to the SFP:
•
•
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–
Jitter Performance with XC10G
During testing with the XC10G, jitter generation above 0.10 UI p-p related to temperature gradient testing has been observed. This effect is not expected to be seen under standard operating conditions. Changes are being investigated to improve jitter performance in a future release. Tracking numbers related to this issue include CSCdv50357, CSCdv63567, CSCdv68418, CSCdv68441, CSCdv68389, CSCdv59621, and CSCdv73402.
CSCdz49928
When using KLM type fuses with specific types of fuse and alarm panels, the PWR-REDUN alarm may not be displayed once the fuse is blown. A KLM fuse does not have a blown fuse indicator built into it. As a result, the blown fuse detection circuitry on the FAP may continue to provide voltage on its output despite a blown fuse.
Maintenance and Administration
Caution
Note
Note
CSCsh18972
Upon Activation or after a TCC/CTX reboot, the active and standby paths of a path protection cross-connect get swapped. Work-around: The CTC GUI shows the correct path after a forced switch is applied to the path protection selector, and cleared. This issue will be resolved in a future release.
CSCsh26527
Test bed description: - 3 nodes ring: OADM, ROADM, HUB. Create 3 circuits (manually put them in OOS state).Move in IS the first circuit -> properly goes in IS. Move in IS the remaining circuits, at the same time -> TCC resets.This issue will be resolved in a future release.
CSCsh11768
Pre-provision a DS1N card. On the card view of DS1N, "Send AIS-V on Defects" and "Treat LOF as Defect" columns were seen. Go to node view -> provisioning pane -> defaults pane. No NE Default for "Send AIS-V on Defects" and "Treat LOF as Defect" for DS1N card. The issue is expected to be fixed in a future release.
CSCsf22525
A link fails while connecting an SSC to NC in a multi-shelf environment. Changing the node configuration from single shelf to multishelf and assigning the SSC role, the SSC will be able to connect to NC only after 6 minutes. This issue will be resolved in a future release.
CSCsc00811
Deleting a monitor circuit and its parent at the same time might result in a PARTIAL parent circuit. To avoid this, delete the monitor circuit before deleting the parent circuit. This issue will not be resolved
CSCsc36281
The software Activating progress popup window might fail to automatically close during multiple or parallel software activations. If this occurs you must manually close the popup window. The following error message might also be raised and need to be closed:
"EID-3251 Unable to complete requested action. Unable to activate because the working software version is newer than the protect one."
To ensure that all nodes are using the correct software version you should close and restart CTC. This issue will be resolved in a future release.
Mismatch Equipment Attributes Alarm on EIA
In Release 6.0 a Mismatch Equipment Attributes (MEA) alarm is raised incorrectly against the B-Side BIC (EIA) on an ONS 15454 node using the 15454-SA-HD (high density) chassis with 1BNCB48, 1BNCB24, or 1SMBB84 EIAs installed. The 1BNCB48, 1BNCB24, and 1SMBB84 EIA panels are compatible with the 15454-SA-HD shelf assembly; however, the software in Release 6.0 fails to recognize their compatibility. The MEA alarm raised as a result of this issue is not service impacting, but does cause a standing alarm.
As a workaround to the standing alarm, you can change the BIC-MEA alarm severity by creating and using a custom alarm profile following the steps that apply for your network in the NTP-A71 Create, Download, and Assign Alarm Severity Profiles procedure of the Manage Alarms chapter in the Cisco ONS 15454 Procedure Guide, Release 6.0. This issue will be resolved in Release 6.1.
CSCeh84908
A CTC client session can disconnect from an ONS node during simultaneous deletion of large numbers of VT level circuits (3000+). Connectivity to the node will recover without any user action. If the condition persists, restart the CTC session to reconnect. This issue is under investigation.
CSCei36415
When retrieving GBIC inventory for the FC_MR-4, nothing is returned for the CLEI code. In a future release, enhanced inventory information will be available for ONS GBICs. This will include the CLEI code.
CSCeh92201
When you create a bidirectional BLSR-path protection IDRI circuit using auto-routing and select the PCA option for secondary spans, the circuit is created over working BLSR spans and does not use PCA spans. To enforce the use of the PCA option, provision the circuit using manual routing. This issue will not be resolved.
CSCee96164
The Wait To Restore (WTR) alarm does not appear to be raised for as long as the WTR timer is set for. The WTR is raised correctly, but the alarm is hidden for the first 12 seconds due to the clear soaking time for a CLDRESTART alarm. You can see this behavior if you set up a 1+1 bidirectional revertive protection group, remove the working card, and then reinsert the card. There are no plans to change this behavior.
CSCee25136
If you create a PM schedule with the Start time for the PM report equal to 00:00 (in TL1, "0-0"), after a few minutes the PM report start time might change to 23:59 (in TL1, "23-59"). This issue will not be resolved.
CSCed23484
A user might remain in the logged-in state after rebooting the PC while logged into a node running CTC. The user login will time out once the "Idle User Timeout" limit is up. Alternatively, you can log in as a superuser and force the user off. This issue will not be resolved.
CSCds88976
When a new circuit is created around a ring (path protection or BLSR), the SD BER or SF BER alarm can be raised depending on the order in which the spans are provisioned. The alarms will eventually clear by themselves. Traffic is not affected. This issue will not be resolved.
CSCdu82934
When you auto-route a VT circuit on an ONS 15454 node, a path is computed based on the availability of STSs on the nodes involved. This selection process, when combined with a lack of VT matrix (or STS-VT connections) on an auto-route selected node, can result in the VT circuit creation failing with the message "unable to create connection object at node." To correct this situation, manually route VT circuits in cases when auto-routing fails. The error message will indicate which node is at issue.
CSCef28522
When you inject errors on a splitter protection card in the node's working port, CVL and ESL are incremented for the working and protect far end ports. This issue will not be resolved.
CSCuk49106
The amplifier gain set point shown by CTC and the actual measured amplifier gain differ. The following steps illustrate this issue.
Step 1
Step 2
The APC procedure does not check consistency between the gain set point and the real gain, but rather only verifies the amplifier total output power. As a workaround, manual setting can be performed to align these values, although the discrepancy does not impact the normal functioning of the amplifier. This issue will not be resolved.
CSCef05162
Clearing the displayed statistics for a port will also clear the displayed history for that port. Clearing the displayed statistics for all ports will also clear the displayed history for all ports. There is no warning message from the TCC2. If History information is to be retained, do not clear displayed statistics for any port without first documenting the displayed history information for the associated port. This issue will not be resolved.
CSCef29516
The ALS pulse recovery minimum value is 60 instead of 100. If this occurs, increase the value to 100. This issue will not be resolved.
CSCeb36749
In a Y-Cable configuration, if you remove the client standby RX fiber; a non-service affecting LOS is raised, as expected. However, if you then remove the trunk active RX fiber; a non-service affecting LOS-P is raised, but the previously non-service affecting LOS on the client port is now escalated to a service affecting alarm, in spite of no traffic having been affected. This issue will not be resolved.
CSCee82052
After setting the node time (either manually or via NTP) you must wait for the endpoint of the interval to be reached before the end time will reflect the recently-set node time. Until this has occurred, the date time stamp for the end of the retrieved interval remains 12/31/69. This issue has been closed and will not be resolved.
CSCdx35561
CTC is unable to communicate with an ONS 15454 that is connected via an Ethernet craft port. CTC does, however, communicate over an SDCC link with an ONS 15454 that is Ethernet connected, yielding a slow connection. This situation occurs when multiple ONS 15454s are on a single Ethernet segment and the nodes have different values for any of the following features:
•
•
•
When any of these features are enabled, the proxy ARP service on the node is also disabled. The ONS 15454 proxy ARP service assumes that all nodes are participating in the service.
This situation can also occur immediately after the aforementioned features are enabled. Other hosts on the Ethernet segment (for example, the subnet router) may retain incorrect ARP settings for the ONS 15454s.
To avoid this issue, all nodes on the same Ethernet segment must have the same values for Enable OSPF on the LAN, Enable Firewall, and Craft Access Only. If any of these values have changed recently, it may be necessary to allow connected hosts (such as the subnet router) to expire their ARP entries.
You can avoid waiting for the ARP entries to expire on their own by removing the SDCC links from the affected ONS 15454 nodes. This will disconnect them for the purposes of the proxy ARP service and the nodes should become directly accessible over the Ethernet. Network settings on the nodes can then be provisioned as desired, after which the SDCC can be restored.
This issue will not be resolved.
CSCdy56693
Microsoft Windows XP uses more memory than previous Microsoft operating systems, and this may result in reduced CTC performance. To avoid reduced performance, you can:
•
•
•
•
•
CSCdy62092
When a node connected via SDCC has no Ethernet LAN connectivity, display of SDCC termination alarms is delayed if the fiber connecting a DCC connected node is removed. This issue cannot be resolved.
CSCdy10030
CVs are not positively adjusted after exiting a UAS state. When a transition has been made from counting UAS, at least 10 seconds of non-SES must be counted to exit UAS. When this event occurs, Telcordia GR-253 specifies that CVs that occurred during this time be counted, but they are not. There are no plans to resolve this issue at this time.
CSCdy11012
When the topology host is connected to multiple OSPF areas, but CTC is launched on a node that is connected to fewer areas, the topology host appears in CTC, and all nodes appear in the network view, but some nodes remain disconnected. This can occur when the CTC host does not have routing information to connect to the disconnected nodes. (This can happen, for example, if automatic host detection was used to connect the CTC workstation to the initial node.)
CTC will be able to contact the topology host to learn about all the nodes in all the OSPF areas, but will be unable to contact any nodes that are not in the OSPF areas used by the launch node. Therefore, some nodes will remain disconnected in the CTC network view.
To work around this issue, if no firewall enabled, then the network configuration of the CTC host can be changed to allow CTC to see all nodes in the network. The launch node must be on its own subnet to prevent network partitioning, and craft access must not be enabled. The CTC host must be provisioned with an address on the same subnet as the initial node (but this address must not conflict with any other node in the network), and with the default gateway of the initial node. CTC will now be able to contact all nodes in the network.
If a firewall is enabled on any node in the network, then CTC will be unable to contact nodes outside of the initial OSPF areas. This issue will not be resolved.
NE Defaults
The following caveats apply for NE defaults when managing older, pre-Release 4.5 nodes.
•
•
•
ONS 15454 Conducted Emissions Kit
If you are deploying the Cisco ONS 15454 within a European Union country that requires compliance with the EN300-386-TC requirements for Conducted Emissions, you must obtain and install the Cisco ONS 15454 Conducted Emissions kit (15454-EMEA-KIT) in order to comply with this standard.
CSCdv10824: Netscape Plugins Directory
If you use CTC, JRE, and the Netscape browser with a Microsoft Windows platform, you must ensure that any new installation of Netscape uses the same Netscape directory as the previous installation did, if such an installation existed. If you install Netscape using a different path for the plugins directory, you will need to reinstall JRE so that it can detect the new directory.
"Are you sure" Prompts
Whenever a proposed change occurs, the "Are you sure" dialog box appears to warn the user that the action can change existing provisioning states or can cause traffic disruptions.
Common Control Cards
CSCsg13470
SSC TCC remains hanging during the SSC SW download. No work-around available. This issue is expected to be resolved in a future release.
CSCdw27380
Performing cross connect card switches repeatedly might cause a signal degrade condition on the lines or paths that can trigger switching on these lines or paths. If you must perform repeated cross connect card switches, lock out the corresponding span (path protection, BLSR, or 1+1) first. This issue will not be resolved.
Active Cross Connect (XC10G/XCVT) or TCC2/TCC2P Card Removal
You must perform a lockout in BLSR, path protection, and 1+1 before physically removing an active cross connect (XC10G/XCVT) or TCC2/TCC2P card. The following rules apply.
Active cross connect (XC10G/XCVT) cards should not generally be physically removed. If the active cross connect or TCC2/TCC2P card must be removed, you can first perform an XCVT/XC10G side switch or TCC2/TCC2P reset and then remove the card once it is in standby, or you can perform a lockout on all circuits that originate from the node whose active cross connect or active TCC2/TCC2P will be removed (performing a lockout on all spans will also accomplish the same goal). No lockout is necessary for switches initiated through CTC or through TL1.
Caution
Ethernet Polarity Detection
The TCC2/TCC2P does not support Ethernet polarity detection. The TCC+ and TCCI both support this feature. If your Ethernet connection has the incorrect polarity (this can only occur with cables that have the receive wire pairs flipped), the TCC+/I will work, but the TCC2/TCC2P will not. In this event, a standing condition, "LAN Connection Polarity Reverse Detected" (COND-LAN-POL-REV), will be raised (a notification will appear on the LCD, and there will be an alarm raised). This issue will most likely be seen during an upgrade or initial node deployment. To correct the situation, ensure that your Ethernet cable has the correct mapping of the wire wrap pins. For Ethernet pin mappings, consult the user documentation.
Optical IO Cards
CSCei26718
On the 15454_MRC-12, when a one way VT/VC circuit on path protection over 1+1 protection is
created, the alarm behavior is not the same as in two way circuit creation. In particular, for the one way circuit creation, UNEQ-V and PLM-V alarms are reported, and the circuit state remains OOS. This issue will not be resolved.
CSCdw66444
When an SDH signal is sent into an ONS 15454 OC-12/STM-4 (IR, 1310 LR and 1550 LR) or an OC-48/STM-16 high-speed (IR and LR) port which has been configured to support SDH, an SD-P (Signal Degrade) alarm will appear as soon as the circuit is created. This alarm will continue to exist until the circuit is deleted.
To avoid this problem, when provisioning an OC-12/STM-4 (IR, 1310 LR and 1550 LR) or an OC-48/STM-16 high-speed (IR and LR) port to support SDH, disable the signal degrade alarm at the path level (SD-P) on the port.
Also, PM data at the path level will not be reliable. You must set associated threshold values to 0 in order to avoid threshold crossing alerts (TCA) on that port. The path threshold values to set to zero are CV-P, ES-P, SES-P, and UAS-P.
These issues are the result of a hardware limitation, and there are no current plans to resolve them.
CSCdw09604
If you are using an XC10G with OC-48, you must use either OC-48AS or OC-48 cards with a revision number higher than 005D.
Electrical IO Cards
CSCsh07039
On a DS3XM6 card, connect port 2 to port 3 through a physical cable. Port 1 is having a STS circuit with port 2 and port 3 is having a STS circuit with port 4. Send Feac Code from port 2. Feac Loopback alarm is raised on port-4 as expected. But even port-2 is raising a FEAC alarm. Work-around is to avoid sending FEAC loopbacks codes, across the different ports of the same card. This issue will be resolved in a future release.
CSCsg19958
On a DS3XM12 card, OCn (AIS-P) alarms are not converted to DSn alarms (DS3 AIS) on port less ports. Inject LOS from TS3. No alarms/conditions in the even port of XM-12. Expect to see DS3 AIS against even port (14). DS1 is seen against DS1 in TS2. Same observation made when LOS was injected from TS2. No DS-AIS seen on the odd ports. This issue will not be resolved.
CSCsg12737
The DS3 traffic on the DS3XM-12 card will be affected in the Transmit direction when receive cable is pulled out. When we pull the Receive cable on the ds3 interface for DS3XM-12 card, the traffic in the transmit direction will get a hit. This issue will not be resolved.
CSCsc65320 and CSCin92295
In a DS3-EC1-48 1:N protection group for which a path protection circuit drops onto a 1:N protected card, if you remove the card and then reseat it the switch time might exceed 60 ms. This issue will be resolved in a future release.
CSCsc60437
DS3XM one way circuits created with no electrical lines attached to the ports fail to carry traffic. This issue will be resolved in Release 8.0.
CSCei59527
When an XC switch occurs, LOF is driven to the line side. On a DS1-14 this can cause us to see long switch times that are related to hardware issues if the "Treat LOF as a Defect" flag has been set. To avoid this issue, do not set the "Treat LOF as a Defect" flag to true on DS1-14 cards. A future release will remove the "Treat LOF as a Defect" option for this card.
CSCeh43011
An LOS alarm is cleared when switching to protect when the working card is on opposite side of the shelf from the protect card (in portless configuration) in a DS3XM-12 1:N protection group. An electrical port brought into IS state on the portless only card produces an LOS alarm. If you then switch to protect, the alarm appears to clear. To avoid this issue, do not bring electrical ports into IS state on a portless only card. This issue will be resolved in a future release.
CSCdx40300
A transient WKSWPR condition is raised upon deletion of a DS3XM 1:1 protection group. This issue will be resolved in a future release.
CSCec39567
Deleting a DS3I 1:N protection group may leave the protect card LED in a standby state. This can occur in a DS3I 1:N protection group with a LOCKON applied to the working card (ONS 15454 ANSI chassis only). Upon deleting the protection group, the LED on the protect DS3I card and the CTC display are still in the standby state. Soft reset the protect card to update the LED on the card and in CTC. An alternative work-around is to remove the LOCKON before deleting the protection group. This issue will be resolved in a future release.
CSCsg48990
The DS3XM-12 cards sends FEAC DS3 LOS alarms and inserts DS1 AIS on the ports when an error rate of greater than 1x10-6 occurs on the incoming DS3 signal.
CSCsg49012
On the DS3XM-12, the clearing of the FEAC DS3 LOF/LOS alarm is linked to the Signal Degrade alarm instead of the Signal Failure alarms.
CSCsg49034
On DS3XM-12 cards in slots 1 through 5 of a DS3 High Density Shelf, a number of DS3 ports only met the 450' error free requirement and didn't have sufficient margin to compensate for low signal levels. In addition, other ports reach below the 450' mark.
CSCsg54014
Error occurs when a user tries to provision re-timing on Ports 29 through 56 on a DS1/E1-56 Card. This error code only states that there is a config error and provides no details.
Data IO Cards
SONET and SDH Card Compatibility
Tables 1, 2, and 3 list the cards that are compatible for the ONS 15454 SONET and ONS 15454 SDH platforms. All other cards are platform specific.
CSCsc11981
Under certain circumstances, E-series cards might learn invalid MAC addresses and temporarily lose well-known/static addresses, possibly resulting in high flood rates. This issue can occur when traffic flows through an E-series card and there are no MAC addresses currently in the MAC table for that E-series card (for instance, after you have cleared the complete MAC table, or when the node is just coming up). The chipset can cause the E-series card to learn invalid addresses in this scenario under high rates of flood traffic (multicast, broadcast, unknown) or PHY interface noise. Side-effects of clearing the MAC table when traffic is flowing can cause the E-series card to lose well-known/static MAC addresses along with dynamically learned MAC addresses. This can cause high flood rates (multicast, broadcast, unknown) possibly reaching the limitation described in the following field notice:
http://www-tac.cisco.com/Support_Library/field_alerts/fn13171.html
This issue can last for a few seconds (typically less). The work-around is to avoid issuing any operation (such as the "Clear all MAC" command) that clears the complete MAC table under heavy traffic loads. To recover from this issue, wait for a few seconds to let the invalid addresses age out, and to allow the software to restore the well-known/static MAC addresses.
CSCdy37198
On Cisco ONS 15454s equipped with XCVT cross-connect cards, neither the E100T-12 nor the E1000-2 cards raise an alarm or condition in CTC when Ethernet traffic is predictably lost due to the following circumstances:
Circuits exist between Ethernet cards (E100T-12 and/or E1000-2) built over Protection Channel Access (PCA) bandwidth on BLSR spans. When BLSR issues a switch, the PCA bandwidth is preempted. Since there is no longer a connection between the ends of the Ethernet circuit, traffic is lost.
Note
This issue will not be resolved.
CSCdr94172
Multicast traffic can cause minimal packet loss on the E1000-2, E100-12, and E100-4 cards. Packet loss due to normal multicast control traffic should be less than 1%. This issue was resolved in Release 2.2.1 for broadcast, and in Release 2.2.2 for OSPF, and some multicast frames. As of Release 3.0.3, the ONS 15454 supports HSRP, CDP, IGMP, PVST, and EIGRP, along with the previously supported broadcast and OSPF.
Note
Note
Note
Multicast MAC addresses used by the control protocols in Table 4 have been added to the static MAC address table to guarantee no loss of unicast traffic during normal usage of these MAC addresses.
E1000-2/E100T
Do not use the repair circuit option with provisioned stitched Ethernet circuits.This issue is under investigation.
Single-card EtherSwitch
Starting with Release 2.2.0, each E100/E1000 card can be configured as a single-card EtherSwitch configuration to allow STS-12c of bandwidth to be dropped at each card. The following scenarios for provisioning are available:
1.
2.
3.
4.
5.
6.
7.
When configuring scenario 3, the STS-6c must be provisioned before either of the STS-3c circuits.
Multicard EtherSwitch
When deleting and recreating Ethernet circuits that have different sizes, you must delete all STS circuits provisioned to the EtherSwitch before you create the new circuit scenario. (See the preceding "Single-card EtherSwitch" section for details on the proper order of circuit creation.) Enable front ports so that the VLANs for the ports are carried by the largest circuit first. A safe approach is to enable the front port before you create any circuits and then retain the front port VLAN assignment afterwards. If you break the rules when creating a circuit, or if you have to delete circuits and recreate them again, delete all circuits and start over with the largest first.
CSCds02031 and CSCsb49501 E1000-2/E100
When you drop two 3c multicard EtherSwitch circuits onto an Ethernet card and delete only the first circuit, you should not provision STS-1 circuits to the card without first deleting the remaining STS-3c circuit. If you attempt to create an STS-1 circuit after deleting the first STS-3c circuit, the STS-1 circuit will not work and no alarms will indicate this condition. Under rare conditions, this could trigger a TCC reset. To avoid a failed STS-1 circuit and other possible problems, delete the second STS-3c prior to creating any STS-1 circuit.
CSCed96068
If an ML-Series card running Software Release 4.6.2 or later is interoperating with an ML-Series card running Software Release 4.6.0 or 4.6.1, then the pos vcat resequence disable command must be added to the configuration of the ML-Series card running R4.6.2 or later. For documentation of this command, consult the Ethernet Card Software Feature and Configuration Guide.
CSCec52443
On an ML-series RPR ring circuit deletion or creation causes an approximately 200 ms traffic loss. To avoid this issue, from the ML-series CLI, perform a "shutdown" on both ends of the circuit prior to circuit changes. This issue will not be resolved.
CSCec52372
You must issue a "shut" command to both ends of a POS circuit before placing the circuit OOS, and issue IS before a "no shut" command. Placing a POS circuit OOS without shutting down can cause long traffic hits. This issue will not be resolved.
CSCec51252
You must issue a "shut" on both ends of affected POS circuits before performing a maintenance action on those circuits. If a POS circuit is restored without first issuing the shut commands, one end of the circuits could come up before the other. During that time, traffic is lost because the other end is not up yet. This issue will not be resolved.
CSCea46580
SPR input counters do not increment on a BVI with an SPR interface. This issue will not be resolved.
CSCea35971
A monitor command may disappear from the configuration after a TCC reboots. To avoid this issue, use the exec command, "terminal monitor," instead (a minor drawback is that this command applies to all VTYs), or, alternatively, reapply the monitor command after connection is lost. This is as designed.
CSCdz49700
The ML-series cards always forward Dynamic Trunking Protocol (DTP) packets between connected devices. If DTP is enabled on connected devices (which might be the default), DTP might negotiate parameters, such as ISL, that are not supported by the ML-series cards. All packets on a link negotiated to use ISL are always counted as multicast packets by the ML-series card, and STP and CDP packets are bridged between connected devices using ISL without being processed. To avoid this issue, disable DTP and ISL on connected devices. This functionality is as designed.
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Under certain conditions, the flow-control status may indicate that flow control is functioning, when it is not. Flow-control on the ML-series cards only functions when a port-level policer is configured. A port-level policer is a policer on the default and only class of an input policy-map. Flow-control also only functions to limit the source rate to the configured policer discard rate, it does not prevent packet discards due to output queue congestion.
Therefore, if a port-level policer is not configured, or if output queue congestion is occurring, policing does not function. However, it might still mistakenly display as enabled under these conditions. To avoid this issue, configure a port-level policer and prevent output queue congestion. This issue will not be resolved.
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Issuing a shutdown/no shutdown command sequence on an ML1000 port clears the counters. This is a normal part of the startup process and there are no plans to change this functionality.
CSCin29274
When configuring the same static route over two or more interfaces, use the following command:
ip route a-prefix a-networkmask a.b.c.d
Where a.b.c.d is the address of the outgoing gateway, or, similarly, use the command:
ip route vrf vrf-name
Do not try to configure this type of static route using only the interface instead of the address of the outgoing gateway. This issue will not be resolved.
CSCin32057
If no BGP session comes up when VRF is configured and all interfaces have VRF enabled ensure that at least one IP interface (without VRF) is configured and add an IP loopback interface on each node. This issue will not be resolved.
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ML-100 FastEthernet MTU is not enforced. However, frames larger than 9050 bytes may be discarded and cause Rx and Tx errors. This issue will not be resolved.
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Issuing a "clear IP route *" command can result in high CPU utilization, causing other processes to be delayed in their execution. To avoid this issue do not clear a large number of route table entries at once, or, if you must use the "clear IP route *" command, do not install more than 5000 EIGRP network routes.
DWDM Cards
CSCsh19017
Nodes with DWDM circuits (OCHNC, OCHCC) in PARTIAL state. Delete the circuits (client ports in OOS). After circuits deletion the OSC link become grayed. At OSC-CSM card level, the LINE TX port is in OOS, DSBLD. Work-around is to remove OSC link. Change manually OSC LINE-TX status to IS, AINS. Recreate OSC link. This issue will be resolved in a future Release.
CSCse41468
The GE interface remains down on a switch connected to an MXP_MR_2.5G card. This can occur during failure recovery with AUTO NEGOTIATION enabled on a connected switch. To work around this issue disable AUTO NEGOTIATION or set sync-restart-delay 10000 on the port of the switch. This issue will not be resolved.
CSCsh12254
Setup 2 couples of mxp-mr-10dme cards in Y cable protection schema. Traffic is 2GFC (or GIGE) up and running, Distance Extension is OFF. Since the DE is OFF, the protection is unidirectional. Then, inject a SYNCLOSS alarm in the client RX fiber on the Far End working card. The Near End protection does not perform a switch to protection even if a GFP-CSF alarm rises. Traffic is lost. No work-around available. This issue will be resolved in Release 8.01.
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When an MXP_MR_2.5G card is in MIXED or ESCON mode, TCA and alarm optical thresholds of Tx power for laser bias are configurable for ESCON payload, though not supported. This issue will be resolved in the future release.
CSCei19148
When a port is placed in-service while the conditions necessary to squelch the port are present, as in when the trunk port on a DWDM card is OOS,DSBLD and a client port is placed in-service, the client will momentarily enable, emitting light, before squelching due to the trunk OOS,DSBLD condition. The pulse is approximately 500 ms. This issue will not be resolved.
CSCei87554
When using a 1GE payload over the TXP_MR_2.5G the IfInErrors counter does not report oversized, undersized, or CRC errored frames, but rather, reports frame coding only. This issue will not be resolved.
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For MXP_MR_10DME-C and MXP_MR_10DME-L cards, an unexpected RFI condition might be raised along with an OTUk-BDI. When there is an LOS downstream, the node receives OTUk-BDI. Because of the placement of dual OTN and SONET wrappers, it can also receive an RFI. This issue will not be resolved.
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A long traffic hit can occur when an active TCC2/TCC2P resets while an MXP_MR_10DME-C or MXP_MR_10DME-L card is rebooting.
This issue can be reproduced as follows:
Step 1
Step 2
Step 3
Step 4
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After a fault condition (trunk LOS or Y-cable switch) an MXP_MR_10DME card might fail to detect the login message and traffic might not start for some minutes (after multiple login trials). This can occur in an N-F configuration with MDS switch and MXP_MR_10DME distance extension on, where test equipment traffic is set to 2G Fibre channel (FC) full bandwidth occupancy and started. Stop traffic or keep bandwidth occupancy below 80% during the login phase to work around this issue. This issue will not be resolved.
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All GFP related alarms are raised with their active severities on the standby card after a Y-Cable protection switch. When a DWDM card (with GFP support) in a Y-Cable protection group becomes standby as a result of a Y-Cable protection switch, the GFP alarms raised when the card was active retain their severities instead of assuming standby severities. The alarms can be seen in the alarm pane if not suppressed, or in the condition pane if suppressed. This issue will be resolved in a future release.
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Manual Y cable switches with squelching turned off can cause a Fibre channel link with brocade switches to go down.
This issue can be reproduced as follows:
Step 1
Step 2
Step 3
Step 4
After a few switchovers, the FC link will go down. SIGLOSS and GFP-CSF alarms are seen on the CTC.
Cisco recommends you provision squelching to be on when interworking with brocade switches. If for some reason, squelching must be off with brocade switches, Cisco recommends you use a FORCE command to perform Y cable switches. It is not known when or if this issue will be resolved.
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CTC is not able to discover a TL1 OCHCC circuit provisioned over an ITU-T line card (ITU-T OC48/STM16 and ITU-T OC192/STM64). This issue can occur when, using the TL1 client interface, you create the OCHNC layer that will be used by the OCHCC circuit, then create the OCHCC connections that involve the ITU-T line cards. The result is an OCHNC and two OCHCC partial circuits, instead of an OCHNC and a single OCHCC complete circuit. This issue will not be resolved.
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LOW communication between two nodes equipped with TXP-MR-10E and AIC-I cards does not work with TXP-MR-10E cards in line termination mode, G.709 enabled, GCC present on the trunk port, and LOW circuits created between the transponders and AIC-I; Cisco recommends that you use EOW instead. This issue will be resolved in a future release.
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Trunk ports of the TXPP_MR_2.5G and MXPP_MR_2.5G can be in facility and terminal loopback at the same time. this can occur if you provision terminal loopback on the protected trunk port after putting the trunk ports in facility loopback. You can clear this condition by removing loopback provisioning on the trunk ports. This issue will be resolved in Release 8.0.
CSCeh94567
Setting a Terminal loopback on an MXP-2.5G-10G trunk port causes OTUK alarms.
This can occur under the following conditions.
1.
2.
3.
4.
This terminal loopback causes OTUK-LOF and OTUK-IA alarms to be reported on both MXP-2.5G-10G trunk ports. This issue will not be resolved.
CSCef15415
RMON TCAs are not raised on the TXPP_MR_2.5G client port after a hardware reset. To see this issue, provision two nodes with TXPP_MR_2.5G (TXP-1 and TXP-2) as follows.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
After the card reboots, only DWDM-A and DWDM-B (trunk) port RMON TCAs are raised in the CTC History pane. RMON TCAs for port 1 (client) are not raised. This issue will not be resolved.
CSCef15452
RMON TCAs are not raised when the RMON history is cleared on TXPP_MR_2.5G card. To see this issue, provision two nodes with TXPP_MR_2.5G (TXP-1 and TXP-2) as follows.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
RMON TCAs are not raised for any port. This issue will not be resolved.
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Under very specific conditions the MXPD fails the Telcordia GR-253/G.825 Jitter generation mask test on the 10G transmit trunk port. The 2.5 G transmit client jitter generation remains within mask and does not exhibit this issue.
This only occurs when, in SONET mode, with no FEC, no G,709, and client interfaces looped back, with non-synchronous clocking, and performing the following steps.
Step 1
Step 2
The jitter testbox TX clock recovers from RX with an additional 5 ppm offset added. This issue will not be resolved.
CSCef50726
Receive client fiber removal can cause a switch from the protect to the active in a TXPP_MR_2.5G. To see this issue, perform the following steps.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
This causes the far end trunk to switch from protect to working span. Similarly, removal of the receive Client fiber at far end causes the near end trunk to switch from the protect to the working span. (Note that the traffic is already lost due to the receive client fiber pull.) To work around this issue, manually switch via CTC from the working to the protect span. This issue will not be resolved.
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Incorrect ALS initiation causes a traffic outage on an FC payload. This issue can be seen by performing the following steps.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9
ALS is now initiated on TXP-1 port 2 (trunk) and the laser shuts down. Traffic never comes back.
Note
To recover from this situation, perform a manual restart or disable the ALS in this configuration. This issue will not be resolved.
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When downloading Release 4.7 nodes with Release 4.6 installed, The 15454-32MUX-O and 15454-32DMX-O report an AWG Temperature fail low alarm that subsequently clears. This also occurs when downgrading from Release 4.7 to Release 4.6, where the AWG Temperature alarm fail is high. This issue cannot be resolved.
CSCec22885
AS-MT is not enabled in Port 3 when a loopback is applied. To see this issue, on the TXPP card, make the following 3 changes before clicking Apply:
Step 1
Step 2
Step 3
Now, when you click Apply, CTC issues the error message: "Error applying changes to row2 peer trunk port must not be IS." Port 3 is still IS and the loopback changes are not applied. You must place Port 3 in the OOS-MT state, apply the changes, and then change the loopback to recover.
This error occurs only when all three of the above changes are attempted at the same time.
To avoid this issue, first change both the trunk ports to OOS-MT, click Apply, and then place port 2 in loopback and click Apply again. This issue will not be resolved.
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With Y-cable provisioned for MXP-MR-2.5G cards, if you remove the client receive fiber on one side, the far end takes greater than 100 ms to switch away from the affected card. This issue will not be resolved.
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Under certain conditions you may be unable to provision an Express Order Wire (EOW) circuit using an MXP_2.5G_10G or TXP_MR_10G card trunk port. This can occurs as follows.
Step 1
Step 2
Step 3
Step 4
During the EOW circuit provisioning only the MXP/TXP client ports are listed for the selection. This issue will not be resolved.
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After a soft reset of an OSCM or OSC-CSM card, a CONTBUS-IO alarm is raised. This issue will not be resolved.
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Neither E1 nor E2 circuits are available for EOW circuits on TXP_MR_2.5 TXT in Section and Line Termination mode. This issue will not be resolved.
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When the FICON bridge does not receive the expected number of idle frames between data packets it will transition to SERV MODE. This issue will not be resolved.
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After a database restore TXPP trunk ports might report SF, resulting in a traffic outage. The SF occurs when you restore the database and then put the port OOS for DWDM cards; then the operating mode in the database is different from the current operating mode. To avoid this issue, either put the DWDM port OOS before restore the database, or, after restoring the database, reset the DWDM cards. This issue will not be resolved.
CSCec51270
Far end traffic does not switch in line termination mode with .G709 off. This can occur with non-revertive Y-cable, and DCC enabled, under certain specific conditions. To avoid this issue, turn on .G709 when in line mode. This issue will not be resolved.
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TXP-MR-2.5G F1-UDC may not be passed through in a line-terminated configuration with OTN off. This can occur with clean, OC-3/STM-1, line-terminated traffic, with OTN disabled, when you create a D1-D3 tunnel, a D4-D12 tunnel, and an F1-UDC from client to client. This issue will not be resolved.
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If you go to the Overhead Circuits Tab in network view and select any User Data, F1 or User Data D4-D12 circuit type, no nXP cards are available for selection in the Endpoints. However, user Data type circuits can still be made end-to-end (where "end-to-end" refers to external cards, such as AIC to AIC) if the nXP cards are put in Transparent mode. This issue will not be resolved.
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With TXPP cards, a traffic loss up to six seconds can occur during a DWDM protection switch. This behavior may be exhibited during protection switches by certain third-party fiber channel switches due to loss of buffer credits resulting in a reconvergence of the fiber channel link. This issue will not be resolved.
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The 2G Fiber Channel (FC) payload data type in the TXP_MR_2.5G and TXPP_MR_2.5G cards do not support any 8B/10B Payload PM monitoring. This is as designed.
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The TXP_MR_2.5G and TXPP_MR_2.5G cards do not support TX Optical power performance monitoring on the trunk port. This is as designed.
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Once engaged, ALR will not restart on the trunk lines of a TXP or TXPP card. This occurs whenever ALR engages on the trunk lines of a TXP or TXPP card and the recover pulse width is provisioned to less than 40 seconds. This is a function of the trunk laser turn-on time, and the limiting recovery pulse width will vary by card. To avoid this issue, provision the pulse width to 40 seconds or more. This issue will not be resolved.
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With ALS mode configured as "Auto Restart" or "Manual Restart," it is possible the ALS Pulse Duration Recovery time can be set to values out of ITU-T recommendation G.664. You can use values out of the range defined in ITU-T recommendation G.664 only in order to interoperate with equipment that lasers cannot turn on or off within the required pulse time. To stay within the specification, you can set this value to 2 seconds and up to 2.25 seconds.
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On the TXPP, the default value for Tx Power High for TCAs & Alarms is too high for the trunk ports. Since Tx Power TCA and Alarm are not supported for trunk ports, this caveat is for informational purposes only.
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During a Y-Cable protection switch, the client interface sends 200,000 to 300,000 8B/10B errors towards the attached Catalyst 3550 switch. The switch reacts to this large amount of 8B/10B errors by reinitializing the interface and spanning tree. The end result is that a protection switch can lead to a 30-45 second traffic hit if the switch is running spanning tree (default mode). This is expected behavior.
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In a Y-Cable protection group, if GCCs are defined on both cards, both cards' active LEDs will be green. This is by design.
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For the TXPP, attenuating Port 2 Rx signal, SD, and SF alarms are not declared before LOS-P is raised. This is due to the intrinsic design of the optical interface, which allows required BER performances with dispersion and OSNR penalties.
This can occur when Port 2 is in back to back or has low dispersions and high OSNR.
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The ACTV/STBY LED shows AMBER when a 2.5G transponder is first connected. The DWDM cards introduced a new design: When all the ports are OOS on a card, the card is considered to be in standby mode.
Interoperability
CSCds13769: Fujitsu FLM-150 and Nortel OC-3 Express
You cannot provision the FLM-150 and OC-3 Express in 1+1 revertive switching mode. The problem occurs when the ONS 15454 issues a user request in revertive mode to the protect channel. When the user request is cleared, the ONS 15454 issues a No Request. However, the FLM-150 and OC-3 Express issues a Do Not Revert, which causes traffic to remain on the protection channel. Based on Telcordia GR-253, section 5.3.5.5, the FLM-150 and the OC-3 Express should respond with a No Request.
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When a DWDM ring or network has to be managed through a Telcordia operations support system (OSS), every node in the network must be set up as multi-shelf. OLA sites and nodes with one shelf must be set up as "multi-shelf stand-alone" to avoid the use of LAN switches.
BLSR Functionality
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A VT traffic hit up to 140 ms can occur when an intermediate node of the VT circuit is isolated. For example, if you have three nodes, A, B, and C, where the circuit is routed from A to C via B, when you isolate Node B, Nodes A and C perform STS-level 100 ms squelching as a part of the VT squelching process. However, the timer resolution on the cross connect card yields 16 2/3 ms accuracy, so the 100 ms timer sometimes (about 80% of the time, depending on the number of VT circuits on a ring) expires approximately 17 ms delayed. This causes VT traffic to be squelched for slightly more than 100 ms. Due to system limitation of timer resolution accuracy and task scheduling delay, there is no further optimization available in the current 15454 BLSR design.
CSCed10127
Extra traffic is not restored when an SF-R occurs on the same span where a lockout of protect is applied at the opposite node, and where the extra traffic is sourced, destined, or travels through the node with the SF-R. to work around this, issue a lockout on each end of the span at the node where the SF-R occurs. Extra traffic should then be restored. This issue will not be resolved.
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DS3 PCA traffic may take up to 20 seconds to recover after a BLSR switch is cleared. This can occur with DS3 PCA traffic on two-Fiber or four-Fiber BLSR configuration with XCVT cards in the same nodes as the DS3 cards. This issue will be resolved in a future release.
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You must lock out protection BLSR, 1+1, and path protection traffic to avoid long, or double traffic hits before removing an active XCVT or XC10G card. You should also make the active cross connect card standby before removing it.
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In a two ring, two fiber BLSR configuration (or a two ring BLSR configuration with one two fiber and one four fiber ring) it is possible to provision a circuit that begins on one ring, crosses to a second ring, and returns to the original ring. Such a circuit can have protection vulnerabilities if one of the common nodes is isolated, or if a ring is segmented in such a way that two non-contiguous segments of the circuit on the same ring are each broken.
Database Restore on a BLSR
When restoring the database on a BLSR, follow these steps:
Step 1
Step 2
Step 3
Step 4
Path Protection Functionality
CSCsg90859
Topology upgrade from unprotected to path protection fails. It gives an upgrade error message and the circuit state goes to Conversion_Pending state. Create an OC 192 2F BLSR. Activate the system from 7.02 (Two Rocks) to 7.04 (Occidental). After activation, delete the BLSR. The circuit will become unprotected. Now try to do topology upgrade from unprotected circuit to path protection for optical circuit. Topology upgrade fails with errors. Work-around is to delete the circuit and create new path protection protected circuit. This issue will be resolved in 8.01 release
CSCee53579
Traffic hits can occur in an unprotected to path protection topology upgrade in unidirectional routing. If you create an unprotected circuit, then upgrade the unprotected circuit to a path protection circuit using Unprotected to path protection wizard, selecting unidirectional routing in the wizard, the circuit will be upgraded to a path protection circuit. However, during the conversion, traffic hits on the order of 300 ms should be expected. This issue will not be resolved.
Active Cross Connect (XC10G/XCVT) or TCC2/TCC2P Card Removal
As in BLSR and 1+1, you must perform a lockout on path protection before removing an active cross connect or TCC2/TCC2P card. The following rules apply to path protection.
Active cross connect (XC10G/XCVT) cards should not generally be physically removed. If the active cross connect or TCC2/TCC2P card must be removed, you can first perform an XCVT/XC10G side switch or TCC2/TCC2P reset and then remove the card once it is in standby, or you can perform a lockout on all circuits that originate from the node whose active cross connect card or active TCC2/TCC2P will be removed (performing a lockout on all spans will also accomplish the same goal). No lockout is necessary for switches initiated through CTC or through TL1.
Bridge and Roll
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Bridge and Roll is allowed on the STM1E card, although it is not supported. This issue will be resolved in Release 8.0.
Alarms
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When doing a software upgrade the Manual system reset alarm is displayed instead of Auto system reset. This can occur during a software upgrade. No work-around available. This issue will be resolved in a future release.
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The ODU-Alarm indication signal is not sent downstream on a client when the line card is provisioned as line terminated. This issue will not be resolved.
CSCse85355
The NE should report alarms or conditions on ingress port not on any internal ports. Alarm detected at the internal ports (TERM) side will be ingress map to the MON side. So the NE raises the STS-MON/VT-MON and STS-TERM/VT-TERM alarms or conditions on the STS-MON/VT-MON ports, irrespective of the actual detection port (MON or TERM). If the user wants the customized severity to be reflected for a specific STS/VT alarms, the alarm profile entities of both STS-MON and STS-TERM, if available, should be changed to the same severity.
CSCsd52665
The NE should report alarms or conditions on ingress port not on any internal ports. Alarm detected at the internal ports (TERM) side will be ingress map to the MON side. So the NE raises the STS-MON/VT-MON and STS-TERM/VT-TERM alarms or conditions on the STS-MON/VT-MON ports, irrespective of the actual detection port (MON or TERM). If the user wants the customized severity to be reflected for a specific STS/VT alarms, the alarm profile entities of both STS-MON and STS-TERM, if available, should be changed to the same severity.
CSCsd56328
The NE should report alarms or conditions on ingress port not on any internal ports. Alarm detected at the internal ports (TERM) side will be ingress map to the MON side. So the NE raises the STS-MON/VT-MON and STS-TERM/VT-TERM alarms or conditions on the STS-MON/VT-MON ports, irrespective of the actual detection port (MON or TERM). If the user wants the customized severity to be reflected for a specific STS/VT alarms, the alarm profile entities of both STS-MON and STS-TERM, if available, should be changed to the same severity.
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When the LBO setting on port-14 in slot-17 is changed from 0-225 to 226-450, the signal level does not increase correctly.
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The DS3XM-12 cards sends FEAC DS3 LOS alarms and inserts DS1 AIS on the ports when an error rate of greater than 1x10-6 occurs on the incoming DS3 signal.
CSCsg49012
On the DS3XM-12, the clearing of the FEAC DS3 LOF/LOS alarm is linked to the Signal Degrade alarm instead of the Signal Failure alarms.
CSCsg49034
On DS3XM-12 cards in slots 1 through 5 of a DS3 High Density Shelf, a number of DS3 ports only met the 450' error free requirement and didn't have sufficient margin to compensate for low signal levels. In addition, other ports reach below the 450' mark.
CSCsg54014
In card view for DS1-E1-56 and in all DS1 mode, unable to Enable Retiming on a port for greater than 29. In all E1 mode, unable to Enable Retiming on a port for greater than 22. In TL1 mode, Enable Retiming works as expected. The proper error message is thrown "operation not supported."
SNMP
CSCsc62801
For nodes configured in multi-shelf mode using the default LAN configuration, SNMP traps are not sent to the management system. To avoid this issue, provision any the DCN-connected node as "Socks proxy," then, on such nodes add the following static route:
•
•
•
•
A documented solution is available in the February 2006 online version of the ONS 15454 DWDM Reference Manual, Release 7.0.
SNMP Attribute Changes
The following SNMP attributes will be replaced in future releases, and will no longer be supported after Release 7.0.
•
•
•
TL1
Note
CSCsh21744
The performance Monitoring registers for the counts SASCPP, UASCPP, SESCPP, ESCP, and CVCPP are not initialized to zero. May lead to a Threshold Crossing Alert. 1. DS1-28-DS3-EC1-3 and DS1-84-DS3-EC1-3 cards on 15310MA. 2. The DS3 ports configured with C-BIT frame format. 3. Command which will create the problem INIT-REG-T3: T3-1-1:1:: CVCPP; or SASCPP or SESCP or UASCP or ESCP.
Work-around: All the registers can be cleared at one go through the CTC or by the following TL1 command. INIT-REG-T3: T3-1-1:1: all. This issue is expected to be resolved in 8.01 release.
CSCsb72582
You cannot perform an ENT-EQPT for a valid card type when the current equipment state is OOS-AUMA,MEA&UAS. When the fault PPM comes up as OOS-AUMA,MEA&UAS and then the ENT-EQPT command is entered using TL1, the command is rejected. This issue will be resolved in a future release.
CSCsc41650
Using a TL1 script to rapidly preprovision/delete various cards repeatedly in the same slot will reboot the TCC approximately 1 out of 10 times. Put a delay of about 10 seconds between preprovisioning/deletion cycles and the node will not reboot. This issue will be resolved in a future release.
CSCdu53509
When a TL1 session to a remote node (ENE) is established via a gateway node (GNE) and you have changed the node name of the ENE via either TL1, CTC or SNMP, then you must wait for about 30 seconds to issue a TL1 command via the GNE. This delay is to permit the updates to propagate to all nodes in the network. During this transition, neither the old node name nor the new node name can be used in the TL1 session to access the ENE. This 30 second window may be reduced in a future release
Resolved Caveats for Release 7.0.x
This section documents caveats resolved in Release 7.0.x.
Maintenance and Administration
CSCsg17018
The Inhibit FE loopback parameter for the mentioned cards should be set to true. (The check box should be checked.) Before you test this, a) Please delete the database. (FlmDeleteDb) b) And reboot the node. (Reboot)
You can check the parameter as mentioned below.
•
•
•
•
For 7.04 310MA
•
•
15454
•
•
•
•
•
•
CSCsg25085
Have Ds3Xm12 card and move DS3 to IS.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
For Ds3Xm12 card, DS1 loopbacks should be possible only when Ds1 port is in OOS, MT state. On releasing loop back from DS1 port of this card, DS1 port should derive its state from circuit state, if DS3 is in IS.
CSCsf30860
DS3MX-12 Card - DS3 "port less" ports 13-36 doesn't support "Line Coding, "Line Length", "SF BER" and "SD BER" as these parameters does not apply to internal, non electrically interfaced signals. All these fields are marked as NA (Not Applicable) in CTC.
CSCsf25767
The issue can be reproduced as follows:
Step 1
Step 2
Step 3
CSCsc62845
When you try delete a provisionable patchcord (PPC) from the CTC Provisioning > PPC tab, sometimes CTC fails to refresh the screen and the PPC deletion appears to have failed. The work-around is to restart into CTC. This issue is resolved in Release 7.2.
CSCsd67191
A node might rarely report DCC failure and loses all connections when it is participating in a large network with several host routes, where multiple netJobAdd calls are likely, which eventually deplete the allowable ring buffer. When the MCC driver fails to complete the add it stops responding to receive packets and the DCC fails. Proper subnetting and OSPF summarizing will avoid excessive host routes, reducing the chance for such a scenario. This issue is resolved in Releases 6.2, 7.0.2, 7.2, and 8.0.
CSCei67897
Rarely, autoprovisioned audits (those with the unique ID of 0) can become stranded after a bulk roll of VC LO circuits prior to deletion of those circuits. If an attempt was made previously to delete all such circuits, you can use subtractive logic to discover which circuits have become stranded. That is, matrices indicating usage in the node view, Maintenance > Cross-connect > Resource Usage window will indicate stranded circuits.
Once you have identified that there are stuck STSs, go to the card view for each affected trunk card and view the Maintenance > Loopback > SONET STS tabs. From here you can view all used STSs, including any stuck STSs. Determine which STSs in your network have no circuit associated with them, then create and subsequently delete a LO circuit on each affected STS. This will clean up the stuck STSs. This issue is resolved in Release 7.0.
CSCsb44920
The error message ('null') is invalid when, in a failed merge operation on two portless circuits, one circuit loses its connection after the merge. You can see this if you merge two portless intranode path protection circuits, where one circuit has one source and two drops, and the other circuit has two sources and one drop. Though the two drops of the first circuit might be aligned with the two drops of the second circuit, all of them are inside one physical link (not a valid path protection topology). To recover from this situation, open a new CTC session. This will return the circuits to their status prior to the failed merge. This issue is resolved in Release 7.0.
CSCuk52850
In a fiber cut scenario on the LINE-RX, with OSC and channels provisioned, transient LOS-P or LOS-O alarms might be raised. This issue is resolved in Release 7.0.
CSCsi04127
When you upgrade nodes from R6.22 to R7.0.4, BITS-1 IN, BITS-2 IN, BITS-1 OUT, and BITS-2 OUT go into In-Service (IS), although the R6.22 line-timed nodes have all the BITS facilities set to Out-Of-Service (OOS), before the upgrade. This issue is resolved in Release 7.05 and 7.23.
Common Control Cards
CSCse32518
If the communication channel from TCC2 to Fan Tray is stuck, the TCC2 goes in a continuous restart condition. Using an FTA3 or FTA4 and a SW version 8.0 (conqueror release) the "TCC restart" bug can be reproduced when a DIN, DOUT or CLK signal of the micro wire interface (connecting TCC with FTA) is connected to GND, or if DIN, DOUT & CLK are in short circuit. This condition in field can be caused by a failure of some different devices: communication failure of the CPLD of the fan tray array, communication failure of the EEPROM of the BIC backplanes, short circuit on the AIP card. This defect is present with older SW Versions, as well.
CSCsh36674
Extraction of a MXP causes the GCC channels to go down. After a few minutes the TCC resets even though the TCC is configured in "unsecure" mode. This occurs when two OCHNC circuit between two nodes, A and C, carrying traffic on MXP-2.5G-10E OC48 client Y-cable protected. The GCC channels are IS (In Service) both on node A and node C.
Electrical IO Cards
CSCsd59042
When upgrading the software from Release 6.x.x to Release 7.x.x, the DS3 and EC1-12 cards fail to load if the node name begins with the letters FL. Changing the node name resolves this issue.
CSCsg12725
There is STS1 circuit between two DS3XM-12 cards of two node setup, having DCCs between them. When you inject UNEQ-V onto optical span through mode test set, UAS-V is expected to increment for VT PM Parameters, which does not happen. This issue is resolved in Release 7.04.
CSCsg12729
There is STS1 circuit between two OCn mapped as DS3-VT on a DS3XM12 card, which is called a port less connection. In this type of connection, there are even ports having STS-DS3 termination and odd ports having VT-DS1 termination. Even ports should have DS3 PMs incremented. But DS3 PMs also get incremented on odd ports. When you try to clear PM parameters on odd ports, the clearing does not happen. The PM parameters remain at their current values. The reason for this is that the even port PMs are copied and displayed against odd ports. This issue is resolved in Release 7.04.
CSCsg19963
There is STS1 circuit between two OCn mapped as DS3-VT on a DS3XM12 card, which is called a port less connection. In this type of connection, there are even ports having STS-DS3 termination and odd ports having VT-DS1 termination. When you inject LOS onto optical span through mode test set, DS3 path PMs (DS3 ES-P, DS3 SES-P, DS3 UAS-P) get incremented for even DS3 ports. This issue is resolved in Release 7.04.
CSCsf29844
DS3XM-12 Cards were not sending DS1-AIS for uncross connected DS1 ports.
Steps to reproduce the issue:
Step 1
Step 2
Step 3
Fix given: In step 3, with the fix, we should be seeing a DS1 OOF AND DS1-AIS.
CSCsf30868
DS3XM-6 Card was not able to detect the Framing format mismatch, if there is a mismatch in Framing types between Port Framing types and Framing type of the incoming signal on its DS3 port.
Fix given: a) When the DS3 port Framing mode is in a) M13 Framing type or b) In CBIT Framing type: framing Mismatch detection will be done depending on what the incoming framing type is.
CSCsc63639
The issue can be reproduced as follows :
Step 1
Step 2
Step 3
Step 4
CSCsf30853
A DS3XM-12 card in the "Port less" mode does not send DS1 AIS on the DS1 ports when there is an incoming DS3 failure, such as DS3 AIS or DS3 MISM. The downstream DS1 facilities alarm is reported as LOF rather than AIS. This issue is resolved in Release 7.04.
CSCsf09127
Created a STS1 Circuit between DS3XM-12 and DS3XM-6 with Test Sets connected at both Ends. Frame Format for the Structured DS1 Payload was UNFRAMED. Traffic was fine and Errorless. Injected DS3AIS from the DS3XM-12 Connected Test Set. AIS did not travel to the Destination and the Destination Test Set did not receive the AIS.
CSCsg12722
RFi-V declared against DX3XM-12. Inject AIS-V at (e) from TS3. AIS-V, NSA declared at (e). DS1-AIS declared against XM12B-P2. FE-AIS, RAI declared against XM12B-P1. RFI-V declared against XM12B-P1 with the aid VT1-2-1-1-1-1. When AIS-V is injected at (e), AIS-V alarm should raise as expected against XM12B-P1. When that happens, the optical cards detect and report an RFI-V against that cct. This is not expected. We can not have AIS-V and RFI-V raised on the same circuit.
CSCsf29778
DS1-56 Card - DS1 Autoframe function is incomplete in operation.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
CSCsg12727
On a port less connection of DS3XM12 card, odd port DS3 PM counts can't be cleared some times. When DS3-AIS is injected from test set - DS3 UASP-P and DS3 UASCP-P increments as per the generic UAS behavior on the odd and even ports. But DS3 counters should not increment on the odd ports. Hence DS3 PMs on CTC for the odd ports have been removed from CTC.
CSCsd12449
Created an STS-1 circuit between DS3_EC1_48 card and OC48 card. Connected the test set to DS3_EC1_48 and physically looped the OC48. The traffic was up and errorless. Then, injected the FEAC code from the OmniBER test set. The LPBKDS3FEAC alarm condition was seen on the alarm pane on CTC as well as through TL1.
CSCsb48303
The DS-1 line state of the portless ports (13, 14 and greater) does not match the corresponding DS-3 line state when a DS3XM-12 conversion circuit is provisioned with the IS drop port state.
To see this, create a 1-way DS3XM-12 conversion circuit with the drop port state set to IS. Delete the conversion circuit, leaving the IS port state. Note that the DS-1 line state will now be OOS by design. If there is no circuit, DS-1 portless port lines will be placed in OOS state. Create the DS3XM-12 conversion circuit again as before. The DS-1 portless port lines do not transition to IS.
To recover from this issue, change the DS-3 port state to OOS_MT and then to IS. The DS-1 portless port lines will transition properly. This issue is resolved in Release 7.0.
Data IO Cards
CSCin96350
If L2 protocol tunneling is disabled on an interface when it is not a member of a bridgegroup, this can cause the CAM programming of STP MAC addresses to be incorrect. The spanning tree received on a node is not passed on to the host, and the spanning tree process might not converge due to the STP packets failing to reach the host. If this occurs, add the affected interface to a bridgegroup and disable protocol tunneling. This issue is resolved in Release 7.0.
CSCsb40206
In Asymmetric configuration, with autonegotiation enabled and flow control selected, an ML-series card might fail to synchronize with, or to recognize the asymmetric flow control. This issue is resolved in Release 7.0.
CSCeg15044
IOS does not allow telnet connections when there are simultaneous Telnet requests, even though there might be unused tty lines available. If this issue occurs, a "No Free TTYs error" message is displayed. This issue is resolved in Release 7.0 (and 6.0).
Hardware
CSCsf19530
The fan tray array boards for ANSI shelves exceed the 60dB acoustic noise limit.
The following measurements were performed on unit: PN 800-27558-01, SN CAT10260AL5
At 22 Celsius degree environment temperature,
Front
43.9
62.8
Left
44.5
63.6
Rear
43.3
65
Right
44
63.3
The system was positioned 150 centimeters from the floor.
The sound meter was positioned at 150 cm from the floor.
The measurement was performed at 60 cm from the system.
CSCsb69766
Wolf FPGA Version 1.3.9 addresses the 6.312MHz BITS Out issue with a more robust solution. The BITS Clock Output-6.312MHz in the TCC2P was never tested comprehensively in the previous release. HWPV Pre-Certification of this FPGA Load has been successfully completed.
CSCsi29405
Some fan trays exhibit high electrical noise which causes communication loss between the fan tray and the controller card. Eventually, this causes the controller card to reboot. The noise is proportional to the voltage level of the shelf and inversely proportional to the speed of the fans.
Work-around: Allow the fan trays to run at high speeds. There is considerable reduction in the noise.
This issue is resolved in 6.03, 7.05, and 7.23.SNMP
CSCsf97897
SNMP walk on the media independent table will fail but the individual requests will succeed.
Work-around: Specific requests (i.e., the mediaIndependentIndex must be specified) will work.
CSCsf10412
SNMP cOpticalPMCurrentEntry library does not allow retrieving PM referred to some ports equipped in subtended shelves of a MS Node. The SNMP output is declared completed just after NC card PM has been reported. On the contrary, cOpticalPMIntervalEntry functions retrieve all the requested values.
DWDM Cards
CSCuk57066
During network installation, OCHNC remain in OOS state. ANS generating a "VOA Target Attenuation Error" on the PT ports of some WSS units in the Source and Destination nodes of the OCHNC. This error can be generated by having the OPT-PRE units working with 5dBm target power (16chs design) and the PT VOA not being able to reach the target attenuation value required for the startup procedure. Work-around: Setting the target power for the OPT-PREs to 2dBm it is possible to clear the ANS errors and to have the OCHNC go to IS.
CSCsc55771
When two MXP_MR_10DME cards are interconnected through OC-192/STM-64 cross connects and traffic is up, if you hard reset one of the MXP_MR_10DME cards, the traffic might fail to recover. To recover traffic flow, place the client port in OOS,DSBLD state, delete the PPM then recreate it, and reprovision the port. This issue is resolved in Release 7.2.
CSCsg00777
Fibre Channel (FC) traffic can be corrupted on the MXP-MR-10DME. The following pattern is received from the client interface starting from byte #3 of the FC word:
D21.5, D21.3, D21.3 = xx B5 75 75
D21.5, D21.4, D21.4 = xx B5 95 95
D21.5, D21.7, D21.7 = xx B5 F5 F5
D21.5, D21.6, D21.6 = xx B5 D5 D5
D10.5, D21.4, D21.4 = xx AA 95 95
D10.5, D21.6, D21.6 = xx AA D5 D5
Traffic will be corrupted only if five of the above sequences, in any combination, are repeated in a row. This issue is resolved in Release 7.0.3.
CSCsc54518
The OPT-BST amplifier card is in a LASER OFF state, even if input power is provided to all input ports. This issue only occurs with Release 7.0 and can be reproduced on a card with the amplifier turned on, in operating conditions (with lasers on) as follows.
Step 1
Step 2
Step 3
Step 4
The amplifier goes into APR for 9 seconds (correct), but after this it turns off; it should go into LASER ON state (State 4 at module level). If this issue occurs, change the card from manual restart to auto restart, then toggle OSRI ON and OFF. This issue is resolved in Release 7.0.2.
CSCsc62581
A T-TX-PWR-MIN TCA is raised and a wrong receive optical power value (of -40 dB) is displayed after a card is reset. The alert and incorrect Rx value both clear in the next 15 min. sample period. This issue is resolved in Release 7.0.1.
CSCei37691
The trunk port service state for the TXPP and TXP cards does not transition to OOS-AU,FLT in the presence of an LOS-P alarm. This can occur when the payload signal for LOS-P is missing for the particular port type. This issue is resolved in Release 7.0.
CSCuk57046
An unexpected Mismatch Equipment Attributes (MEA) transient alarm can occur on rapidly inserting and removing a PPM. This issue can occur with a TXP_MR_10E-L for which you preprovision an OC-192 PPM. The transient alarm is raised on the PPM. This issue is resolved in Release 7.0.
Alarms
CSCei37745
When VT and STS level alarms are raised at the same time, the VT level alarm is not demoted or promoted in correlation with other VT or STS level alarms. This issue is resolved in Release 7.0.
Path Protection
CSCsh77496
If path protection/SNCP circuits are created while path defects are present on path protection/SNCP trunks, then sometimes path protection/SNCP circuits may not switch and traffic outage is observed
Work-around: Avoid creating path protection circuits while faults are present on either of the
path protection trunks ports. This issue is resolved in 6.03, 7.05 and 7.2.3BLSR Functionality
CSCct03919
VT1.5 and VC3/VC12 squelching is not supported in BLSR/MS-SPRing. This issue is resolved in Release 7.0.
CSCeh90643
Before secondary node isolation in a scenario where DRI PCA traffic is provisioned on a protect channel corresponding to a working channel for active DRI protected traffic, with the secondary node of the DRI PCA configured as the primary node of the protected DRI traffic, and the primary node of the DRI PCA configured as the secondary node of the protected DRI traffic, you must perform a user service selector switch command on DRI protected traffic on the secondary node for DRI PCA traffic (primary node for DRI protected traffic). Failing to issue the switch could result in loss of DRI protected traffic during the secondary node isolation. This issue is resolved in Release 7.0.
Bridge and Roll
CSCei37364
When a rollTo leg is not receiving a good signal, and because of this the rollPending alarm is not cleared, there is no alarm indicating the reason that the RollPending alarm fails to clear. This issue is resolved in Release 7.0.
TL1
CSCsc62784
The Calibration Tilt is not properly changed using the TL1 interface. The reference tilt is changed instead. This issue can be seen when you try to change the CALTILT parameter on amplifier cards using the ED-OTS command. To avoid this issue, use CTC. This issue is resolved in Release 7.0.1.
New Features and Functionality
This section highlights new features and functionality for Release 7.0.x. For detailed documentation of each of these features, consult the user documentation.
The following feature has been added as of Release 7.0.2.
Daylight Savings Time Support
As of Release 7.0.2 CTC and TL1 display daylight savings time (DST) in keeping with the new DST rules applicable from 2007 forward. As described in the change in energy policy for the United States of America (USA), the DST start date will be the 2nd Sunday of March and the DST end date will be 1st Sunday of November.
The following features were added for Release 7.0.
New Hardware
MXP_MR_10DME-C and MXP_MR_10DME-L Multirate Muxponder Cards
The 10-Gbps Multirate Muxponder-100 GHz-Tunable 15xx.xx-15yy.yy C-band and L-band (MXP_MR_10DME-C and MXP_MR_10DME-L) cards aggregate a mix of client Storage Area Network (SAN) service client inputs (GE, FICON, and Fibre Channel) into one 10-Gbps STM-64/OC-192 DWDM signal on the trunk side. They provide one long-reach STM-64/OC-192 port per card and are compliant with Telcordia GR-253-CORE and ITU-T G.957.
The cards support aggregation of the following signal types:
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The MXP_MR_10DME-C and MXP_MR_10DME-L muxponders pass all SONET/SDH overhead bytes transparently.
The digital wrapper function (ITU-T G.709 compliant) formats the DWDM wavelength so that it can be used to set up GCCs for data communications, enable FEC, or facilitate performance monitoring. The MXP_MR_10DME-C and MXP_MR_10DME-L cards work with OTN devices defined in ITU-T G.709. The cards support G.709 OTU2 digital wrapper, an industry standard method for asynchronously mapping a SONET/SDH payload into a digitally wrapped envelope. Aggregation of input service signals is provided at the SONET level via GFP-T in STS24c or STS48c framing (depending on the service type).
Note
You can install MXP_MR_10DME-C and MXP_MR_10DME-L cards in Slots 1 to 6 and 12 to 17.
Note
The MXP_MR_10DME-C card features a tunable 1550-nm C-band laser on the trunk port. The laser is tunable across 82 wavelengths on the ITU grid with 50-GHz spacing between wavelengths. The MXP_MR_10DME_L features a tunable 1580-nm L-band laser on the trunk port. The laser is tunable across 80 wavelengths on the ITU grid, also with 50-GHz spacing. Each card features four 1310-nm lasers on the client ports and contains five transmit and receive connector pairs (labeled) on the card faceplate. The cards use dual LC connectors on the trunk side and use SFP modules on the client side for optical cable termination. The SFP pluggable modules are SX multimode or LX single-mode interface and support an LC fiber connector.
Details regarding the input data rate, encapsulation method, and data rates available for each client interface can be found in the Cisco ONS 15454 DWDM Installation and Operations Guide.
A buffer-to-buffer credit management scheme provides FC flow control. With this feature enabled, a port indicates the number of frames that can be sent to it (its buffer credit), before the sender is required to stop transmitting and wait for the receipt of a "ready" indication The MXP_MR_10DME-C and MXP_MR_10DME-L cards support FC credit-based flow control with a buffer-to-buffer credit extension of up to 1600 km for 1G FC. up to 800 km for 2G FC, or up to 400km for 4G FC. The feature can be enabled or disabled.
The MXP_MR_10DME-C and MXP_MR_10DME-L cards feature a 1550-nm laser for the trunk/line port and a 1310-nm or 850-nm laser (depending on the SFP) for the client ports. The cards contain eight 12.5 degree downward tilt SFP modules for the client interfaces. For optical termination, each SFP uses two LC connectors, which are labeled TX and RX on the faceplate. The trunk port is a dual-LC connector with a 45 degree downward angle.
Key Features
The MXP_MR_10DME-C and MXP_MR_10DME-L cards have the following high level features:
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TXP_MR_10E_C and TXP_MR_10E_L Multirate Transponder Cards
The 10-Gbps Transponder-100-GHz-Tunable (TXP_MR_10E_C and TXP_MR_10E_L) cards are multirate transponders for the ONS 15454 platform. They processes one 10-Gbps signal (client side) into one 10-Gbps, 100-GHz DWDM signal (trunk side). The TXP_MR_10E_C is tunable over the entire set of C-band wavelength channels (82 channels spaced at 50 GHz on the ITU grid). The TXP_MR_10E_L is tunable over the entire set of L-band wavelength channels (80 channels spaced at 50 GHz on the ITU grid) and is particularly well suited for use in networks that employ dispersion shifted (DS) fiber or SMF-28 single-mode fiber.
The advantage of these cards over previous versions (TXP_MR_10G and TXP_MR_10E) is that there is only one version of each card (one C-band version and one L-band version) instead of several versions needed to cover each band.
You can install TXP_MR_10E_C and TXP_MR_10E_L cards in Slots 1 to 6 and 12 to 17 and provision the cards in a linear configuration, BLSR/MS-SPRing, path protection/SNCP, or a regenerator. The cards can be used in the middle of BLSR/MS-SPRing or 1+1 spans when the cards are configured for transparent termination mode.
The TXP_MR_10E card features a universal transponder 2 (UT2) 1550-nm tunable laser (C band) or a UT2 1580-nm tunable laser (L band) for the trunk port and a separately orderable ONS-XC-10G-S1 1310-nm laser XFP module for the client port. On its faceplate, the TXP_MR_10E_C and TXP_MR_10E_L cards contain two transmit and receive connector pairs, one for the trunk port and one for the client port. Each connector pair is labeled.
Key Features
The key features of the TXP_MR_10E_C and TXP_MR_10E_L cards are:
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Client Interface
The client interface is implemented with a separately orderable XFP module. The module is a tri-rate transceiver, providing a single port that can be configured in the field to support an OC-192 SR-1 (Telcordia GR-253-CORE) or STM-64 I-64.1 (ITU-T G.691) optical interface, as well as 10GE LAN PHY (10GBASE-LR), 10GE WAN PHY (10GBASE-LW), or 10G FC signals.
The client side XFP pluggable module supports LC connectors and is equipped with a 1310-nm laser.
DWDM Trunk Interface
On the trunk side, the TXP_MR_10E_C and TXP_MR_10E_L cards provide a 10-Gbps STM-64/OC-192 interface. There are 80 tunable channels available in the 1550-nm C band or 82 tunable channels available in the 1580-nm L band on the 50-GHz ITU grid for the DWDM interface.
The TXP_MR_10E_C and TXP_MR_10E_C cards provide 3R transponder functionality for this 10-Gbps trunk interface. Therefore, the card is suited for use in long-range amplified systems. The DWDM interface is compliant with ITU-T G.707, ITU-T G.709, and Telcordia GR-253-CORE standards.
The DWDM trunk port operates at a rate that is dependent on the input signal and the presence or absence of the ITU-T G.709 Digital Wrapper/FEC. The possible trunk rates are:
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The maximum system reach in filterless applications without the use of optical amplification or regenerators is nominally rated at 23 dB over C-SMF fiber. This rating is not a product specification, but is given for informational purposes. It is subject to change.
Y-Cable Protection
The TXP_MR_10E card supports Y-cable protection, which provides transponder equipment protection without client terminal equipment interface protection. A single client interface can be split between two transponder cards using a Y-protection device.
With Y-cable protection, two TXP_MR_10E_C or two TXP_MR_10E_L transponder cards can be joined in a Y-cable protection group. In Y-cable protection, the client ports of the two cards are joined by Y cables. An incoming client signal is injected into the Rx Y-cable port and is split between the two cards (connected to Rx client ports) in the protection group. The Tx client signals from the two protection group cards are connected to the correspondent ports of the Tx Y cable. Only the Tx client port of the active card is turned on and transmits the signal towards the receiving client equipment.
If you create a GCC using a digital wrapper and apply it to either card of the Y-cable protect group, the DWDM trunk (span) port stays permanently active, regardless of the switch state. When you provision a GCC, you are provisioning unprotected overhead (OH) bytes. The GCC is not protected by the protection group.
Enhanced FEC Feature
A key feature of the TXP_MR_10E_C and TXP_MR_10E_L cards is the availability to configure the forward error correction in three modes: NO FEC, FEC, and Enhanced FEC (E-FEC). The output bit rate is always 10.7092 Gbps as defined in ITU-T G.709, but the error coding performance can be provisioned as follows:
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FEC and E-FEC Modes
As client side traffic passes through the TXP_MR_10E_C and TXP_MR_10E_L cards, it can be digitally wrapped using FEC mode, E-FEC mode, or no error correction at all. The FEC mode setting provides a lower level of error detection and correction than the E-FEC mode setting of the card. As a result, using E-FEC mode allows higher sensitivity (lower OSNR) with a lower bit error rate than FEC mode. E-FEC enables longer distance trunk-side transmission than with FEC.
The E-FEC feature is one of three basic modes of FEC operation. FEC can be turned off, FEC can be turned on, or E-FEC can be turned on to provide greater range and lower BER. The default mode is FEC on and E-FEC off. E-FEC is provisioned using CTC.
Because the transponder has no visibility into the data payload and detect circuits, the TXP_MR_10E_C and TXP_MR_10E_L cards do not display circuits under the card view.
Client-to-Trunk Mapping
The TXP_MR_10E_C and TXP_MR_10E_L cards can perform ODU2-to-OCh mapping, which allows operators to provision data payloads in a standard way across 10-Gbps optical links.
Digital wrappers that define client side interfaces are called Optical Data Channel Unit 2 (ODU2) entities in ITU-T G.709. Digital wrappers that define trunk side interfaces are called Optical Channels (OCh) in ITU-T G.709. ODU2 digital wrappers can include Generalized Multiprotocol Label Switching (G-MPLS) signaling extensions to ITU-T G.709 (such as Least Significant Part [LSP] and Generalized Payload Identifier [G-PID] values) to define client interfaces and payload protocols.
Automatic Laser Shutdown
The ALS procedure is supported on both client and trunk interfaces. On the client interface, ALS is compliant with ITU-T G.664 (6/99). On the data application and trunk interface, the switch on and off pulse duration is greater than 60 seconds. The on and off pulse duration is user-configurable.
MXP_2.5G_10E_C and MXP_2.5G_10E_L Cards
The 2.5-Gbps-10-Gbps Muxponder-100 GHz-Tunable (MXP_2.5G_10E_C and MXP_2.5G_10E_L) cards are DWDM muxponders for the ONS 15454 platform that support full optical transparency on the client side. The cards multiplex four 2.5 Gbps client signals (4 x OC48/STM-16 SFP) into a single 10-Gbps DWDM optical signal on the trunk side. The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards provide wavelength transmission service for the four incoming 2.5 Gbps client interfaces. The MXP_2.5G_10E_C and MXP_2.5G_10E_L muxponders pass all SONET/SDH overhead bytes transparently.
The digital wrapper function (ITU-T G.709 compliant) formats the DWDM wavelength so that it can be used to set up GCCs for data communications, enable FEC, or facilitate performance monitoring.
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards work with OTN devices defined in ITU-T G.709. The cards support ODU1 to OTU2 multiplexing, an industry standard method for asynchronously mapping a SONET/SDH payload into a digitally wrapped envelope.
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards are not compatible with the MXP_2.5G_10G card, which does not support full optical transparency.
You can install MXP_2.5G_10E_C and MXP_2.5G_10E_L cards in Slots 1 to 6 and 12 to 17. You can provision a card in a linear configuration, as a BLSR/MS-SPRing, a path protection/SNCP, or a regenerator. The cards can be used in the middle of BLSR/MS-SPRing or 1+1 spans when the cards are configured for transparent termination mode.
The MXP_2.5G_10E_C card features a tunable 1550-nm C-band laser on the trunk port. The laser is tunable across 82 wavelengths on the ITU grid with 50-GHz spacing between wavelengths. The MXP_2.5G_10E_L features a tunable 1580-nm L-band laser on the trunk port. The laser is tunable across 80 wavelengths on the ITU grid, also with 50-GHz spacing. Each card features four 1310-nm lasers on the client ports and contains five transmit and receive connector pairs (labeled) on the card faceplate. The cards uses dual LC connectors on the trunk side and use SFP modules on the client side for optical cable termination. The SFP pluggable modules are short reach (SR) or intermediate reach (IR) and support an LC fiber connector.
Key Features
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards have the following high level features:
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Client Interfaces
The MXP_2.5G_10E_C and MXP_2.5G_10E_C cards provide four intermediate- or short-range OC-48/STM-16 ports per card on the client side. Both SR-1 or IR-1 optics can be supported and the ports use SFP connectors. The client interfaces use four wavelengths in the 1310-nm, ITU 100-MHz-spaced, channel grid.
DWDM Interface
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards serve as OTN multiplexers, transparently mapping four OC-48 channels asynchronously to ODU1 into one 10-Gbps trunk. The DWDM trunk is tunable for transmission over the entire C band (MXP_2.5G_10E_C) or over the entire L band (MXP_2.5G_10E_L) on the ITU 50-GHz spaced channel grid.
Multiplexing Function
The muxponder is an integral part of the optically transparent ROADM network in which data payload channels and wavelengths are processed exclusively at the optical level without electrical to optical (E-O) conversion. The key function of the MXP_MP_10E_C and MXP_MP_10E_L cards is to multiplex 4 OC-48/STM16 signals onto one ITU-T G.709 OTU2 optical signal (DWDM transmission). The multiplexing mechanism allows the signal to be terminated at a far-end node by another similar card.
Optical transparency on the muxponder is configured using OTUx and ODUx OH bytes. The ITU-T G.709 specification defines OH byte formats that are used to configure, set, and monitor frame alignment, FEC mode, section monitoring, tandem connection monitoring, and optical transparency.
The MXP_2.5G_10E and MXP_MP_10E_L cards perform ODU to OTU multiplexing as defined in ITU-T G.709. The ODU is the framing structure and byte definition (ITU-T G.709 digital wrapper) used to define the data payload coming into one of the SONET/SDH client interfaces on the cards. The term ODU1 refers to an ODU that operates at 2.5-Gbps line rate. On the cards, there are four client interfaces that can be defined using ODU1 framing structure and format by asserting a ITU-T G.709 digital wrapper.
The output of the muxponder is a single 10-Gbps DWDM trunk interface defined using OTU2. It is within the OTU2 framing structure that FEC or E-FEC information is appended to enable error checking and correction.
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards are synchronized to the TCC2/TCC2P clock during normal conditions and transmits the ITU-T G.709 frame using this clock.
The cards support Y-cable protection. Two cards can be joined in a Y-cable protection group with one card assigned as the working card and the other defined as the protection card. This protection mechanism provides redundant bidirectional paths.
You can configure the Forward Error correction for the cards in three modes: NO FEC, FEC, and E-FEC. So, as client side traffic passes through the MXP_2.5G_10E_C or MXP_2.5G_10E_L card, it can be digitally wrapped using FEC mode error correction or E-FEC mode error correction (or no error correction at all).
For further card details, specifications, and functionality, see the Cisco ONS 15454 DWDM Installation and Operations Guide.
New MXP_MR_2.5G and MXPP_MR_2.5G Muxponder Cards
The 2.5-Gbps Multirate Muxponder-100 GHz-Tunable 15xx.xx-15yy.yy (MXP_MR_2.5G) card aggregates a mix and match of client Storage Area Network (SAN) service client inputs (GE, FICON, Fibre Channel, and ESCON) into one 2.5 Gbps STM-16/OC-48 DWDM signal on the trunk side. It provides one long-reach STM-16/OC-48 port per card and is compliant with Telcordia GR-253-CORE.
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The 2.5-Gbps Multirate Muxponder-Protected-100 GHz-Tunable 15xx.xx-15yy.yy (MXPP_MR_2.5G) card aggregates various client SAN service client inputs (GE, FICON, Fibre Channel, and ESCON) into one 2.5 Gbps STM-16/OC-48 DWDM signal on the trunk side. It provides two long-reach STM-16/OC-48 ports per card and is compliant with ITU-T G.957 and Telcordia GR-253-CORE.
Because the cards are tunable to one of four adjacent grid channels on a 100-GHz spacing, each card is available in eight versions, with 15xx.xx representing the first wavelength and 15yy.yy representing the last wavelength of the four available on the board. In total, 32 DWDM wavelengths are covered in accordance with the ITU-T 100-GHz grid standard, G.692, and Telcordia GR-2918-CORE, Issue 2. The card versions and their corresponding wavelengths are documented in the Cisco ONS 15454 DWDM Installation and Operations Guide.
Client Interface
The client interface supports the following payload types:
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Details on the input data rate for each client interface, the encapsulation method, and the mix and match of client interfaces on various ports can be found in the Cisco ONS 15454 DWDM Installation and Operations Guide.
For the MXP_MR_2.5G card, protection is done using Y-cable protection. Two MXP_MR_2.5G cards can be joined in a Y-cable protection group, which provides protection against failures both on the fiber and in the muxponders.
For the MXPP_MR_2.5G card, protection is done using splitter protection, which provides protection against failures due to fiber cuts or unacceptable signal degradation on the trunk side.
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GFP-T performance monitoring (GFP-T PM) is available via remote monitoring (RMON), and trunk PM is managed according to Telcordia GR-253-CORE and ITU G.783/826. Client PM is achieved through RMON for FC and GE.
A buffer-to-buffer credit management scheme provides FC flow control. With this feature enabled, a port indicates the number of frames that can be sent to it (its buffer credit), before the sender is required to stop transmitting and wait for the receipt of a "ready" indication The MXP_MR_2.5G and MXPP_MR_2.5 cards support FC credit-based flow control with a buffer-to-buffer credit extension of up to 1600 km for 1G FC and up to 800 km for 2G FC. The feature can be enabled or disabled.
You can install MXP_MR_2.5G and MXPP_MR_2.5G cards in Slots 1 to 6 and 12 to 17. The TCC2/TCC2P card is the only other card required to be used with these muxponder cards. Cross-connect cards do not affect the operation of the muxponder cards.
The MXP_MR_2.5G card features a 1550-nm laser for the trunk/line port and a 1310-nm or 850-nm laser (depending on the SFP) for the client ports. The card contains eight 12.5 degree downward tilt SFP modules for the client interfaces. For optical termination, each SFP uses two LC connectors, which are labeled TX and RX on the faceplate. The trunk port is a dual-LC connector with a 45 degree downward angle.
The MXPP_MR_2.5G card features a 1550-nm laser for the trunk/line port and a 1310-nm or 850-nm laser (depending on the SFP) for the client port. The card contains eight 12.5 degree downward tilt SFP modules for the client interfaces. For optical termination, each SFP uses two LC connectors, which are labeled TX and RX on the faceplate. There are two trunk port connectors (one for working and one for protect). Each is a dual-LC connector with a 45-degree downward angle.
Automatic Laser Shutdown
The ALS procedure is supported on both client and trunk interfaces. On the client interface, ALS is compliant with ITU-T G.664 (6/99). On the data application and trunk interface, the switch on and off pulse duration is greater than 60 seconds. The on and off pulse duration is user-configurable.
OPT-BST-L Optical Booster Card
The Optical Booster L-Band (OPT-BST-L) has a standard gain range of 8 to 20 dB in the controllable gain tilt mode, and 20 to 27 dB in the uncontrolled gain tilt mode. The OPT-BST-L is designed to support 64 channels at 50-GHz channel spacing, but currently is limited to 32 channels at 100-GHz spacing. The OPT-BST-L is an L-band DWDM EDFA with OSC add-and-drop capability. The card is particularly well suited for use in networks that employ dispersion shifted (DS) fiber or SMF-28 single-mode fiber.
When an ONS 15454 has an OPT-BST-L installed, it is only necessary to have the OSCM to process the OSC. You can install the OPT-BST-L in Slots 1 to 6 and 12 to 17. To control the gain tilt, the OPT-BST-L is equipped with a built-in VOA.
Key Features
The OPT-BST-L features include:
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Several photodiodes monitor the power for the OPT-BST-L card. The returned power level values are calibrated to the ports on the card. See the Cisco ONS 15454 DWDM Installation and Operations Guide for details.
OPT-AMP-L Preamplifier Card
The OPT-AMP-L is an L-band DWDM optical amplifier module consisting of a two-stage EDFA with mid-stage access loss (MSL) for an external DCU and OSC add-and-drop capability. The card is provisionable in CTC as a preamplifier or booster amplifier and is well suited for use in networks that employ DS fiber or SMF-28 single-mode fiber. The amplifier can operate up to 64 optical transmission channels at a channel spacing of 50 GHz in the wavelength range from 1570 nm to 1605 nm.
The OPT-AMP-L is able to achieve a maximum signal power of 20 dBm throughout the gain and MSL ranges. The amplifier has a variable gain range that is settable from 12 to 24 dBm in the standard gain range and from 24 dBm to 35 dBm with uncontrolled gain tilt. It also provides up to 12 dBm MSL for an external DCU.
When an ONS 15454 has an OPT-AMP-L installed, it is only necessary to have the OSCM to process the OSC. You can install the two-slot OPT-AMP-L in Slots 1 to 6 and 12 to 17. To control the gain tilt, the OPT-AMP-L is equipped with a built-in VOA.
Key Features
The OPT-AMP-L has the following features:
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Several photodiodes monitor the power for the OPT-AMP-L card. The returned power level values are calibrated to the card ports. See the Cisco ONS 15454 DWDM Installation and Operations Guide for details.
32WSS-L Wavelength Selective Switch Card
The 32-Channel Wavelength Selective Switch L-Band (32WSS-L) card performs channel add/drop processing within the ONS 15454 DWDM node. The 32WSS-L works in conjunction with the 32DMX-L to implement ROADM functionality within the L band (1570 to 1620 nm). The 32WSS-L card is particularly well suited for use in networks that employ DS fiber or SMF-28 single-mode fiber. Equipped with ROADM functionality, the ONS 15454 DWDM can be configured to add or drop individual optical channels using CTC, Cisco MetroPlanner, and CTM.
A ROADM NE utilizes two 32WSS-L cards (two slots each) and two 32DMX-L cards (one slot each), for a total of six slots in the chassis. The 32WSS-L card can be installed in Slots 1 and 2, 3 and 4, 5 and 6, 12 and 13, 14 and 15, or 16 and 17.
The 32WSS-L has six types of ports:
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For more details on the functions of the ports, see the Cisco ONS 15454 DWDM Installation and Operations Guide.
Several photodiodes monitor the power for the 32WSS-L card. The returned power level values are calibrated to the ports. See the Cisco ONS 15454 DWDM Installation and Operations Guide for more details.
32DMX-L Demultiplexer Card
The 32-Channel Demultiplexer L-Band card (32DMX-L) is a single-slot optical demultiplexer. The card receives an aggregate optical signal on its COM RX port and demultiplexes it into to 32 100-GHz-spaced channels. The 32DMX-L card is particularly well suited for use in networks that employ DS fiber or SMF-28 single-mode fiber. The 32DMX-L card can be installed in Slots 1 to 6 and in Slots 12 to 17.
The 32WSS-L has two types of ports:
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For more details on the functions of the ports, see the Cisco ONS 15454 DWDM Installation and Operations Guide.
Several photodiodes monitor the power for the 32WSS-L card. The returned power level values are calibrated to the ports. See the Cisco ONS 15454 DWDM Installation and Operations Guide for more details.
CE-1000-4 Card
The CE-1000-4 card, new for Release 7.0.x, uses pluggable Gigabit Interface Converters (GBICs) to transport Ethernet traffic over a SONET network. The CE-1000-4 provides four IEEE 802.3-compliant, 1000-Mbps Gigabit Ethernet ports at the ingress. At the egress, the CE-1000-4 card provides an integrated Ethernet over SONET mapper with four virtual ports to transfer Ethernet packets over a SONET network.
The Ethernet ports automatically configure to operate at either half or full duplex and can determine whether to enable or disable flow control. The Ethernet ports can also be oversubscribed using flow control.
CE-1000-4 card Ethernet frames are encapsulated using the ITU-T generic framing procedure (GFP) (with or without CRC) or LEX, the point-to-point protocol (PPP) with high-level data link control (HDLC). The CE-1000-4 card can interoperate with G1000-4/G1K-4 cards (using LEX encapsulation), CE-100T-8 cards (using LEX or GFP-F), and ML-Series cards (using LEX or GFP-F).
The Ethernet frames can be mapped into:
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The CE-1000-4 card provides multiple management options through Cisco Transport Controller (CTC), Cisco Transport Manager (CTM), Transaction Language 1 (TL1), and Simple Network Management Protocol (SNMP).
The CE-1000-4 card supports the software link capacity adjustment scheme (SW-LCAS). This makes it compatible with the ONS 15454 CE-100T-8 and ML-Series cards. The CE-1000-4 card supports VCAT groups (VCGs) that are reconfigurable when SW-LCAS is enabled (flexible VCGs). The CE-1000-4 card does not support the standard hardware-based LCAS. For specific guidelines that apply to flexible VCGs consult the user documentation.
The CE-1000-4 card supports a non link capacity adjustment scheme (no-LCAS). This also makes it compatible with the ONS 15454 CE-100T-8 and ML-Series cards. The CE-1000-4 card supports VCAT groups (VCGs) that are fixed and not reconfigurable when no-LCAS is enabled (fixed VCGs). For specific guidelines that apply to fixed VCGs consult the user documentation.
The CE-1000-4 card supports VCAT differential delay and provides these associated features:
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For CE-1000-4 Card-Level Indicators, Port-Level Indicators, and Cross-Connect and Slot Compatibility, consult the user documentation.
MS-ISC-100T Card
The Multishelf Internal Switch Card (MS-ISC-100T) is an Ethernet switch used to implement the MSTP multishelf LAN. It connects the node controller shelf to the network and to subtending shelves. The MS-ISC-100T must always be equipped on the node controller shelf; it cannot be provisioned on a subtending controller shelf.
Cisco recommends that you configure the node to implement LAN redundancy, using two MS-ISC-100T cards: one switch is connected to the Ethernet front panel port of the TCC2/TCC2P card in Slot 7, and the other switch is connected to the Ethernet front panel port of the TCC2/TCC2P card in Slot 11. The Ethernet configuration of the MS-ISC-100T card is part of the software package and is automatically loaded. The MS-ISC-100T card operates in Slots 1 to 6 and 12 to 17 on the node controller shelf; the recommended slots are Slot 6 and Slot 12. For MS-ISC-100T card port assignments and card-level indicators consult the user documentation.
MMU Card
The Mesh/Multiring Upgrade Unit (MMU) card supports multiring and mesh upgrades for ROADM nodes in both the C band and the L band. Mesh/multiring upgrade is the capability to optically bypass a given wavelength from one section of the network or ring to another one without requiring 3R regeneration. In each node, install two MMUs, one on the east side and one on the west side. You can install the MMU card in Slots 1 through 6 and 12 through 17.
The MMU has six ports:
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For power monitoring, MMU card-level indicators, and MMU port-level indicators, consult the user documentation.
New Software Features and Functionality
CSCsg12111
The NLAC doesn't work correctly if a LOS-O alarm is present. This happens because the LOS-O has the same priority of LOS-P alarm in the alarm correlation algorithm. Hence, LOS-P and OPRWR-LFAIL alarms, on the downstream path are erroneously correlated (eclipsed) from LOS-O and not recognized as alarm root cause. No work-around is available.
CTC Support for Full C-band and L-band Trunk Wavelength Tunability
Release 7.0.x CTC supports full C-band and L-band trunk wavelength tunability with settings in the card-level Provisioning > Line > Wavelength Trunk Settings tab for the following cards:
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Each card can be provisioned to operate in a specific trunk wavelength in its respective band (C or L). You can also preprovision trunk wavelength settings to the band appropriate for the card you plan to install. Trunk wavelength settings employ interleaved odd and even 100-GHz ITU spaced grids. Interleaved odd and even wavelength subdivisions ensure maximum transmission capacity in the form of a high number of available channels per card for your DWDM network, while also maintaining signal reliability. In CTC, selecting the odd or even grid sets your first tunable wavelength, as well as the 100-GHz ITU spaced wavelengths you can tune to thereafter.
Multishelf Nodes
Release 7.0.x supports multi-shelf DWDM nodes. Multi-shelf node provisioning enables you to centralize many tasks, such as node configuration and maintenance, VLAN management, software download, alarm management, performance monitoring, remote DCC, GCC, and OSC terminations, and database and diagnostic functions.
An ONS 15454 node provisioned as a multishelf node can manage up to 8 subtending shelves as a single entity. The node controller is the main shelf; its TCC2/TCC2P cards run multishelf functions. Each subtending shelf must also be equipped with TCC2/TCC2P cards, which run the local shelf functions. For internal data exchange between the node controller shelf and subtending shelves, the node controller shelf must be equipped with redundant MS-ISC-100T cards or, as an alternative, the Cisco Catalyst 2950 switch. Cisco recommends using the MS-ISC-100T cards. If you use the Catalyst 2950, install it on one of the multishelf racks. All subtending shelves must be located in the same site at a maximum distance of 100 meters from the Ethernet switches used to support the communication LAN.
A multishelf node has a single public IP address for all client interfaces (CTC, TL1, SNMP, or HTTP, for example); a client can only connect to the node controller shelf; not to the subtending shelves. The user interface and subtending shelves are connected to a patch panel using straight-through (CAT 5) LAN cables.
The node controller shelf has the following responsibilities:
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Subtending shelves have the following responsibilities:
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Multishelf Node Setup
Cisco recommend the following multishelf configurations, which are supported by MetroPlanner and automatically discovered by the software:
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Patchcords are automatically created only if the TXP/MXP cards have been previously tuned on one of the supported wavelengths.
DCC, GCC, and OSC Terminations
A multishelf node provides the same communication channels as a single shelf MSTP node:
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The maximum number of DCC, GCC, and OSC terminations that are supported in a multishelf node is 48.
ROADM Multishelf Configuration Alarming
In Release 7.0.x, reconfigurable optical add-drop multiplexing (ROADM) systems can share a single IP address among shelves and also correlate optical signal alarms.
DWDM Network-Level Alarm Correlation
Release 7.0.x, ITU-T G.798-based alarm correlation simplifies alarm reporting for MSTP channels. Communication failures including Loss of Signal (LOS), Loss of Signal Payload (LOS-P), and Optical Power Receive Fail-Loss of Light (OPWR-LFAIL) generate multiple conditions at each affected node for each affected channel. Correlation simplifies troubleshooting because a single alarm is reported for each root cause. (The original alarms retain their severity in the Conditions window.)
The Payload Missing Indication (PMI) condition is raised at the far end to correlate OMS and OTS communication failures. A single PMI condition is sent when every channel on the aggregated port is lost, that is, when there are no pass-through channels or active added channels in service. If there are added channels on the node, the Forward Defect Indication (FDI) condition is raised at the near end to indicate there are no pass-through optical channels (OCH) in service.
Multishelf Ethernet Alarm Management
Ethernet alarm-raising for multi-shelf configuration also differs from the alarm-raising in single-shelf configurations. The shelf-connecting Ethernet interface card (MS-ISC-100T) does not raise traditional Ethernet alarms, such as CARLOSS, that apply to TXP or MXP client ports. Instead, MS-ISC-100T alarms are raised on the shelf as EQPT alarms. These alarms, new for Release 7.0.x, include Duplicate Shelf ID (DUP-SHELF-ID) and Shelf Communication Failure (SHELF-COMM-FAIL).
Viewing ROADM Alarmed Entities
The Multishelf view, added in Release 7.0.x, shows where an alarm is raised in the Object column. In Shelf view, the Alarms and Conditions tabs also contain a Shelf column that indicates where the alarmed card is located.
Optical Channel Trail and Client Connection Circuits
With Release 7.0.x the ONS 15454 MSTP system provides three types of optical channel circuits.
An Optical Channel Trail (OCH trail) is an optical circuit from a TXP/MXP trunk port to a TXP/MXP trunk port that can pass through a DWDM cloud, functioning as the server layer. Wavelength and signal rate are the OCH trail primary characteristics.
An Optical Channel Client Connection (OCHCC) is an optical channel from a TXP/MXP client port to a TXP/MXP client port. OCHCCs use the OCH trail as the server layer. OCHCCs are essentially client-to-client-circuits. Signal rate is the primary characteristic.
An Optical Channel Network Connection (OCHNC) is an optical circuit from an optical channel card to an optical channel card. Wavelength is the primary characteristic. OCHNCs are the legacy optical channel circuit type used in situations when OCH trails are not supported. OCHNCs are also used to carry wavelengths from non-ONS 15454 equipment.
Optical Channel Client Connection Functionality
Optical Channel Client Connections (OCHCCs) support SONET/SDH, Ethernet, FC/FICON, data storage (including ESCON), video, and passthrough (other) payload types. For specific payload rates, consult the user documentation.
You can upgrade existing OCHNCs created in earlier software releases to OCHCCs using the Circuits > Upgrade OCHNC option.
You can create DWDM OCHCCs by assigning port names, creating and verifying PPCs, verifying OCHCC client ports, and provisioning optical channel client connections as needed; or delete existing OCHCCs by deleting the associated optical channel network connections.
You can verify the provisionable patchcords (PPCs) that are required between client and optical channel nodes for OCHCCs using the Provisioning > Provisionable Patchcords (PPC) tabs.
When creating OCHCC circuits, on the Attributes page, you can define the following client circuit attributes:
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Automatic Node Provisioning
Release 7.0.x offers a better solution for provisioning DWDM nodes, using Cisco MetroPlanner configuration files and connection reports.
Cisco MetroPlanner Configuration File Support
With Release 7.0.x you can import a Cisco MetroPlanner configuration file, provided in XML format, that provisions the shelf layout, sets the OPT-AMP-L mode (if present) and installs the automatic node setup (ANS) parameters calculated by Cisco MetroPlanner.
In CTC node view (for single-shelf mode) or multishelf view, you can access the configuration file from the Provisioning > WDM-ANS > Node Setup tabs. Each node setup session also monitors your setup process by maintaining a log file that you can view to see the results of your setup.
In the node setup page, you can choose from the following options. Each option will result in a different wizard guiding you through the steps to successful node setup.
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Cisco MetroPlanner Internal Connections Report Support
With Release 7.0.x you can use the MetroPlanner Release 7.0 Internal Connections Report to install cables on your DWDM cards. The table displayed in the report identifies the patchcords that you must cable by their endpoints. Position 1 identifies the fiber start point; Position 2 indicates the fiber endpoint. The patchcord endpoints are identified by site, slot, and port. Information provided by the Internal Connections report includes:
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For detailed instructions on using the Cisco MetroPlanner Configuration Files and Internal Connections report, consult the user documentation.
MetroPlanner Support
Release 7.0.x supports MetroPlanner Release 7.0. For new features of MetroPlanner consult the MetroPlanner Release 7.0 documentation.
Server Trails
Release 7.0.x adds support for server trails. A server trail is a non-DCC link across a third-party network that connects two CTC network domains. A server trail allows circuit provisioning when no DCC is available. You can create server trails between any two optical or DS-3 ports. The end ports on a server trail can be different types (for example, an OC-3 port can connect to an OC-12 port). Server trails are not allowed on DCC-enabled ports.
The server trail link is bidirectional and can be VT1.5, VT2, STS1, STS-3c, STS-6c, STS-12c, STS-48c, or STS-192c; you cannot upgrade an existing server trail to another size. A server trail link can be one of the following protection types: Preemptible, Unprotected, and Fully Protected. The server trail protection type determines the protection type for any circuits that traverse it. PCA circuits will use server trails with the Preemptible attribute.
When creating circuits or VCATs, you can choose a server trail link during manual circuit routing. CTC can also route circuits over server trail links during automatic routing. VCAT common-fiber automatic routing is not supported.
BLSR STS and VT Squelching
Release 7.0.x supports BLSR STS squelching for the ONS 15454, ONS 15327, and ONS 15600, and VT squelching for the ONS 15454, and ONS 15327, with limited VT squelching support (see below) provided by the ONS 15600. STS-level squelching is supported in previous releases. With VT-level squelching added in Release 7.0.x the STS squelch table now displays VT-access status for each STS (every entry) in the table. There is a check box in both the east and west sides for each entry of STS squelch table, and a check mark in this box indicates that the STS is VT-access.
Release 7.0.x nodes display STS and VT squelch tables depending on the type of circuits created. For example, if a fiber cut occurs, the BLSR squelch tables show STSs or VTs that will be squelched for every isolated node. Squelching replaces traffic by inserting the appropriate alarm indication signal path (AIS-P) and prevents traffic mis-connections. For an STS with a VT-access check mark, the AIS-P will be removed after 100 ms.
BLSR STS Squelch Tables in CTC
BLSR STS squelch tables show STSs that will be squelched for every isolated node. BLSR STS numbers, East and West source and destination information, and East and West incoming, or outgoing VT access indications are displayed in the BLSR Squelch Table window. BLSR squelching is performed on STSs that carry STS circuits only. Squelch table entries will not appear for STSs carrying VT circuits or Ethernet circuits to, or from E-Series Ethernet cards provisioned in a multicard Ethergroup. These squelch tables contain entries with adjacent node IDs displayed, instead of source or destination node IDs.
BLSR VT Squelch Tables in CTC
BLSR VT squelch tables only appear on the node dropping VTs from a BLSR and are used to perform VT-level squelching when a node is isolated. VT squelching is supported on the ONS 15454 and the ONS 15327 platforms. The ONS 15600 platform does not support VT squelching; however, when an ONS 15454 and an ONS 15600 are in the same network, the ONS 15600 node allows the ONS 15454 node to carry VT circuits in a VT tunnel. The ONS 15600 performs 100-ms STS-level squelching for each VT-access STS at the switching node in case of a node failure.
When using a VT circuit on a VT tunnel (VTT), or on a VT aggregation point (VAP), the VTT or VAP allows multiple VT circuits to be passed through on a single STS without consuming VT matrix resources on the cross-connect card.
In case of a source and destination node failure of a VTT, the switching node performs 100-ms STS-level squelching for the VTT STS. The node dropping VT traffic performs VT-level squelching. VT traffic on the VTT that is not coming from the failed node is protected.
An STS grooming node (VAP source) does not carry VT circuits through a VTT. The STS grooming node performs STS-level squelching for each STS timeslot at the switching node in case the VT-grooming (VAP destination) node fails. The node dropping VT traffic performs VT-level squelching for each VT timeslot in case the STS-grooming end node fails. No VT traffic on the VAP is protected during a failure of the STS-grooming node or the VT-grooming node.
The VT squelch table provides BLSR VT group number and channel indications, and East and West source information. To view the VT squelch table, double-click the STS with a check mark in the BLSR STS squelch table window. The check mark appears on every VT-access STS; however, the VT-squelch table appears only by double-clicking the check mark on the node dropping the VT. The intermediate node of the VT does not maintain the VT-squelch table.
"Ring is Squelching STS Traffic" Condition
Release 7.0.x supports an informational Ring is Squelching STS Traffic (STS-SQUELCH-L) condition that can be raised on an OC-N facility. The STS-SQUELCH-L condition indicates that traffic is squelched due to node failure (traffic outage). If the node failure scenario includes the source or destination node, then switching the nodes that switched the traffic away from the failure will squelch all the STSs that originate from or are destined to the failure node. The condition resolves when the node is no longer failing.
"Ring is Squelching VT Traffic" Condition
Release 7.0.x supports an informational Ring is Squelching VT Traffic (VT-SQUELCH-L) condition that can be raised on an OC-N facility. The VT-SQUELCH-L condition indicates that traffic is squelched due to node failure (traffic outage). If the node failure scenario includes the source node, the node dropping VT will squelch VT traffic. The condition resolves when the node failure is recovered.
Link Consolidation
CTC provides the ability to consolidate the DCC, general communications channel (GCC), optical transport section (OTS), server trail, and provisionable patchcord (PPC) links shown in the network view into a more streamlined view. Link consolidation allows you to condense multiple internodal links into a singular link. The link consolidation sorts links by class, meaning that all DCC links are consolidated together, for example. You can access individual links within consolidated links using the right-click shortcut menu. Each link has an associated icon.
Link consolidation is only available on non-detailed maps. Non-detailed maps display nodes in icon form instead of detailed form, meaning the nodes appear as rectangles with ports on the sides. Refer to the Cisco ONS 15454 Procedure Guide for more information about consolidated links.
Data Communications Network Tool
Release 7.0.x CTC includes a data communications network (DCN) tool that assists with network troubleshooting for Open Shortest Path First (OSPF) networks. This tool, located in network view, executes an internal dump command to retrieve information about all nodes accessible from the entry point. The retrieved information is the same as you would get if you were to execute a dump using special networking commands. The contents of the dump file can be saved or printed and furnished to Cisco Technical Support for use in OSPF network support.
Advanced Circuit Filtering and Export
Release 7.0.x adds an Advanced tab to the Circuit Filter dialog. With advanced circuit filtering you can filter on selected rings, nodes, links, or source/drop combinations.
Also, you can export the active Circuit window data in HTML, comma-separated values (CSV), or tab-separated values (TSV) format using the Export command from the File menu.
Superuser Privileges for Provisioning Users
With Release 7.0.x Superusers can grant permission to Provisioning users to perform a set of tasks, including retrieving the audit log, restoring a database, clearing performance monitoring (PM) parameters, activating a software load, and reverting a software load. These privileges can only be set using the node-level network element (NE) defaults, with the exception of the PM clearing privilege, which can be granted to a Provisioning user from the CTC Provisioning > Security > Access tabs. For more information about setting up Superuser privileges, refer to the Cisco ONS 15454 Procedure Guide.
CTC Download Highest Level NET JAR File
As of Release 7.0.x CTC, during network topology discovery, polls each node in the network to determine which one contains the most recent version of the CTC software. If CTC discovers a node in the network that has a more recent version of the CTC software than the version you are currently running, CTC generates a message stating that a later version of CTC has been found in the network, and offers to install the CTC software upgrade JAR files. If you have network discovery disabled, CTC will not seek more recent versions of the software. Unreachable nodes are not included in the upgrade discovery.
Local Domain Creation and Viewing
With Release 7.0.x a Superuser can control whether domains that any future users create and view persist globally (for all CTC sessions), or only locally (within the current CTC session in which they are created), as well as who can create domains (all users, or just Superusers). This control is given to Superusers by means of the NE default, CTC.network.LocalDomainCreationAndViewing. The factory pre-set default value is FALSE, meaning domain information is applied to all CTC sessions and only Superusers can create a domain or add a node to a domain. Setting the default to TRUE enables the option for local domain creation by any user.
Enhanced Fault Management
Release 7.0.x adds increased flexibility for fault management. When an entity is put in the OOS,MT administrative state, the node suppresses all standing alarms on that entity. All alarms and events appear on the Conditions tab. You can change this behavior for the LPBKFACILITY and LPBKTERMINAL alarms. To display these alarms on the Alarms tab, you can set the NODE.general.ReportLoopbackConditionsOnOOS-MTPorts to TRUE in the NE Defaults editor.
Rx and Tx Indication for TCAs
For electrical card or port PMs for which a direction, either Receive (Rx) or Transmit (Tx), can be detected, Release 7.0.x CTC and TL1 display the Rx or Tx value with the associated threshold crossing alert (TCA) description. For specific cards, port types, and PMs supported consult the Performance Monitoring chapter of the Cisco ONS 15454 Reference Manual.
TL1
New Card Support
The following new cards are supported by TL1 in Release 7.0.x.
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TL1 Command Changes
New Commands
The following new TL1 commands are added for Release 7.0.x.
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Removed Commands
The following commands are removed from Release 7.0.x:
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Command Syntax Changes
The syntax of the following commands is changed in Release 7.0.x.
ED-EQPT syntax:
ED-EQPT[:<TID>]:<aid>:<CTAG>[:::PROTID=<protid>,][PRTYPE=<prtype>,]
[RVRTV=<rvrtv>,][RVTM=<rvtm>,][CARDMODE=<cardmode>,][PEERID=<protid>,]
[REGENNAME=<regenname>,][PWL=<pwl>,][CMDMDE=<cmdmde>][:<pst>[,<sst>]];Is changed to:
ED-EQPT[:<TID>]:<aid>:<CTAG>[:::PROTID=<protid>,][PRTYPE=<prtype>,]
[RVRTV=<rvrtv>,][RVTM=<rvtm>,][CARDMODE=<cardmode>,][PEERID=<peerid>,]
[REGENNAME=<regenname>,][CMDMDE=<cmdmde>,][RETIME=<retime>,]
[SHELFROLE=<shelfrole>,][NEWSHELFID=<newshelfid>][:<pst>[,<sst>]];ED-GFP syntax:
ED-GFP[:<TID>]:<src>:<CTAG>[:::FCS=<fcs>,][AUTOTHGFPBUF=<autothgfpbuf>]
[GFPBUF=<gfpbuf>,][FILTER=<filter>];Is changed to:
ED-GFP[:<TID>]:<src>:<CTAG>[:::FCS=<fcs>,][AUTOTHGFPBUF=<autothgfpbuf>,]
[GFPBUF=<gfpbuf>,][FILTER=<filter>];ENT-EQPT syntax:
ENT-EQPT[:<TID>]:<aid>:<CTAG>::<aidtype>[:PROTID=<protid>,][PRTYPE=<prtype>,]
[RVRTV=<rvrtv>,][RVTM=<rvtm>,][CARDMODE=<cardmode>,][PEERID=<protid>,]
[REGENNAME=<regenname>,][PWL=<pwl>,][CMDMDE=<cmdmde>,]
[RETIME=<retime>][:];Is changed to:
ENT-EQPT[:<TID>]:<aid>:<CTAG>::<aidtype>[:PROTID=<protid>,][PRTYPE=<prtype>,]
[RVRTV=<rvrtv>,][RVTM=<rvtm>,][CARDMODE=<cardmode>,][PEERID=<protid>,]
[REGENNAME=<regenname>,][CMDMDE=<cmdmde>,][TRANSMODE=<transmode>,]
[RETIME=<retime>,][SHELFROLE=<shelfrole>][:];ENT-TADRMAP syntax:
ENT-TADRMAP[:<TID>]::<CTAG>:::TIDNAME=<name>,[IPADDR=<ipAddr>,]
[PORT=<port>,][ENCODING=<encoding>,][NSAP=<nsapAddr>];Is changed to:
ENT-TADRMAP:[<TID>]::<CTAG>:::TIDNAME=<tidname>,[IPADDR=<ipaddr>],
[PORT=<port>],[ENCODING=<encoding>],[NSAP=<nsap>];INIT-SYS syntax:
INIT-SYS[:<TID>]:<aid>:<CTAG>[::];
Is changed to:
INIT-SYS[:<TID>]:<aid>:<CTAG>;
Note
OPR-SYNCNSW syntax:
OPR-SYNCNSW[:<TID>]::<CTAG>;
Is changed to:
OPR-SYNCNSW[:<TID>][:<aid>]:<CTAG>;
RTRV-NE-SYNCN syntax:
RTRV-NE-SYNCN[:<TID>]::<CTAG>[::::];
Is changed to:
RTRV-NE-SYNCN[:<TID>][:<aid>]:<CTAG>[::::];
RTRV-SYNCN syntax:
RTRV-SYNCN[:<TID>]:<aid>:<CTAG>[::::];
Is changed to:
RTRV-SYNCN[:<TID>][:<aid>]:<CTAG>[::::];
RTRV-TADRMAP syntax:
RTRV-TADRMAP[:<TID>][:<AID>]:<CTAG>:::MODE=<modeType>
Is changed to:
RTRV-TADRMAP[:<TID>][:<AID>]:<CTAG>[:::MODE=<modeType>]
ED-NE-GEN syntax:
ED-NE-GEN[:<TID>]::<CTAG>[:::NAME=<name>,][IPADDR=<ipaddr>,]
[IPMASK=<ipmask>,][DEFRTR=<defrtr>,][IIOPPORT=<iiopport>,][NTP=<ntp>,]
[SUPPRESSIP=<mode>];Is changed to:
ED-NE-GEN[:<TID>]::<CTAG>[:::NAME=<name>,][IPADDR=<ipaddr>,]
[IPMASK=<ipmask>,][DEFRTR=<defrtr>,][IIOPPORT=<iiopport>,][NTP=<ntp>,]
[PROXYSRV=<isProxyServer>,][FIREWALL=<isFireWall>,];ED-DS1 syntax:
ED-DS1[:<TID>]:<aid>:<CTAG>[:::TACC=<tacc>,][TAPTYPE=<taptype>,]
[MODE=<mode>,][FMT=<fmt>];Is changed to:
ED-DS1[:<TID>]:<aid>:<CTAG>[:::TACC=<tacc>,][TAPTYPE=<taptype>,]
[AISONLPBK=<aisonlpbk>,][MODE=<mode>,][FMT=<fmt>];Command Response Changes
The following TL1 responses have changed in Release 7.0.x.
ED-LNKTERM response:
::[<tmmd>],[<ssmgen>],[<qres>],[<rvrtv>],[<rvtm>]
Is changed to:
[<aid>]::[<tmmd>],[<ssmgen>],[<qres>],[<rvrtv>],[<rvtm>]
RTRV-EQPT response:
<aid>:<aidtype>,<equip>,[<role>],[<status>]:[<protid>],[<prtype>],[<rvrtv>],[<rvtm>],
[<cardname>],[<ioscfg>],[<cardmode>],[<peerid>],[<regenname>],[<pwl>],[<transmode>],
[<retime>]:<pst>,[<sst>]Is changed to:
<aid>:<aidtype>,<equip>,[<role>],[<status>]:[<protid>],[<prtype>],[<rvrtv>],[<rvtm>],
[<cardname>],[<ioscfg>],[<cardmode>],[<peerid>],[<regenname>],[<transmode>],
[<retime>],[<shelfrole>]:<pst>,[<sst>]RTRV-INV response:
<aid>,<aidtype>::[<pn>],[<hwrev>],[<fwrev>],[<sn>],[<clei>],
[<twl1=nwlincode>],[<pluginvendorid>],[<pluginpn>],[<pluginhwrev>],[<pluginfwrev>],
[<pluginsn>],[<ilossref>],[<productId>],[<versionId>],[<fpgaVersion>]Is changed to:
<aid>,<aidtype>::[<pn>],[<hwrev>],[<fwrev>],[<sn>],[<clei>],[<twl1=nwl in code>],[<pluginvendorid>],[<pluginpn>],[<pluginhwrev>],[<pluginfwrev>],[<pluginsn>],
[<ilossref>],[<productId>],[<versionId>],[<fpgaVersion>],[<vendorId>]RTRV-DS1 response:
<aid>::[<tacc>],[<taptype>],[<mode>],[<fmt>]
Is changed to:
<aid>::[<tacc>],[<taptype>],[<aisonlpbk>],[<mode>],[<fmt>]
TL1 ENUM Changes
TL1 ENUM Items Added or Removed
The following section, including Table 5 through Table 26, highlights ENUM items changed (added or removed) for Release 7.0.x, by ENUM type.
EQUIPMENT_TYPE is used in the following commands:
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Table 6 MTU_TYPE enum items added to Release 7.0.x
MTU_1500
"1500"
MTU_10004
"10004"
MTU_1548
"1548"
MTU_TYPE is used in the following commands:
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CARDMODE is used in the following commands:
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CATEGORY is no longer used in any command.
FLOW is used in the following commands:
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MOD1PAYLOAD is used in the following commands:
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Table 11 MOD2 enum items dropped from Release 7.0.x
MOD2_M2_ISC1
"ISC1"
MOD2_M2_ISC3
"ISC3"
MOD2_M2_WLEN
"WLEN"
MOD2 is used in the following commands:
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Table 13 MOD2ALM enum items dropped from Release 7.0.x
MOD2ALM_M2_ISC1
"ISC1"
MOD2ALM_M2_ISC3
"ISC3"
MOD2ALM_M2_WLEN
"WLEN"
MOD2ALM is used in the following commands:
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Table 15 MOD2B enum items dropped from Release 7.0.x
MOD2B_M2_ISC1
"ISC1"
MOD2B_M2_ISC3
"ISC3"
MOD2B is used in the following commands:
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Table 17 MOD2O enum items dropped from Release 7.0.x
MOD2O_M2_ISC1
"ISC1"
MOD2O_M2_ISC3
"ISC3"
MOD2O is used in the following commands:
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Table 19 MOD2_DATA enum items dropped from Release 7.0.x
MOD2_DATA_M2_ISC1
"ISC1"
Table 20 MOD2_DATA enum items added to Release 7.0.x
MOD2_DATA_M2_4GFC
"4GFC"
MOD2_DATA_M2_4GFICON
"4GFICON"
MOD2_DATA_M2_ESCON
"ESCON"
MOD2_DATA_M2_ISCCOMPAT
"ISCCOMPAT"
MOD2_DATA is used in the following commands:
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Table 21 NE_MODE enum items added to Release 7.0.x
NE_MODE_MULTISHELF
"MULTISHELF"
NE_MODE_MULTISHELFETH
"MULTISHELFETH"
NE_MODE_SINGLESHELF
"SINGLESHELF"
NE_MODE is used in the following commands:
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OPTICAL_WLEN is used in the following commands:
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Table 23 PAYLOAD enum items dropped from Release 7.0.x
PAYLOAD_PT_ISC1
"ISC1"
PAYLOAD_PT_ISC3
"ISC3"
PAYLOAD is used in the following commands:
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Table 25 SHELF_ROLE enum items added to Release 7.0.x
SHELF_ROLE_NC
"NC"
SHELF_ROLE_SC
"SC"
SHELF_ROLE is used in the following commands:
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Table 26 WLEN_MODE enum items dropped from Release 7.0.x
WLEN_MODE_ADD
"ADD"
WLEN_MODE_DROP
"DROP"
WLEN_MODE_EXP
"EXP"
WLEN_MODE is no longer used in any command.
Related Documentation
Release-Specific Documents
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Platform-Specific Documents
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Provides installation, turn up, test, and maintenance procedures•
Provides technical reference information for SONET/SDH cards, nodes, and networks•
Provides technical reference information for DWDM cards, nodes, and networks•
Provides a list of SONET alarms and troubleshooting procedures, general troubleshooting information, and hardware replacement procedures•
Provides a comprehensive list of TL1 commandsObtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R)
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
© 2007 Cisco Systems, Inc. All rights reserved.
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