Table Of Contents
Release Notes for Cisco 7000 Family for Cisco IOS Release 12.2 DD
Determining the Software Version
Upgrading to a New Software Release
New Hardware Features in Cisco IOS Release 12.2(2)DD4
New Software Features in Cisco IOS Release 12.2(2)DD4
New Hardware Features in Cisco IOS Release 12.2(2)DD3
New Software Features in Cisco IOS Release 12.2(2)DD3
New Hardware Features in Cisco IOS Release 12.2(2)DD2
New Software Features in Cisco IOS Release 12.2(2)DD2
New Hardware Features in Cisco IOS Release 12.2(2)DD1
New Software Features in Cisco IOS Release 12.2(2)DD1
New Hardware Features in Cisco IOS Release 12.2(2)DD
New Software Features in Cisco IOS Release 12.2(2)DD
Direct-Request (Domain Stripping) VRF Aware
Quality of Service Features for Parallel Express Forwarding (PXF)
Virtual Template Limit Expansion to 200
Deprecated and Replacement MIBs
Image Obsolescence, Cisco IOS Release 12.1(7)E
Open Caveats—Cisco IOS Release 12.2(2)DD4
Resolved Caveats—Cisco IOS Release 12.2(2)DD4
Open Caveats—Cisco IOS Release 12.2(2)DD3
Resolved Caveats—Cisco IOS Release 12.2(2)DD3
Open Caveats—Cisco IOS Release 12.2(2)DD2
Resolved Caveats—Cisco IOS Release 12.2(2)DD2
Open Caveats—Cisco IOS Release 12.2(2)DD1
Open Caveats—Cisco IOS Release 12.2(2)DD
Cisco IOS Software Documentation Set
Cisco IOS Release 12.2 Documentation Set Contents
Obtaining Technical Assistance
Contacting TAC by Using the Cisco TAC Website
Release Notes for Cisco 7000 Family for Cisco IOS Release 12.2 DD
March 8, 2002
Cisco IOS Release 12.2(2)DD4
OL-1226-04
Note You can find the most current Cisco IOS documentation on Cisco.com. This set of electronic documents may contain updates and modifications made after the hard-copy documents were printed.
These release notes for the Cisco 7000 family describe the enhancements provided in Cisco IOS Release 12.2(2)DD4. These release notes are updated as needed.
For a list of the software caveats that apply to Cisco IOS Release 12.2(2)DD4, see the "Caveats" section and Caveats for Cisco IOS Release 12.2. The caveats document is updated for every maintenance release and is located on Cisco.com and the Documentation CD-ROM.
Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 12.2 located on Cisco.com and the Documentation CD-ROM.
Contents
These release notes describe the following topics:
•MIBs
•Obtaining Technical Assistance
Early Deployment Releases
These release notes describe the Cisco 7000 family for Cisco IOS Release 12.2(2)DD4, which is an early deployment (ED) release based on Cisco IOS Release 12.2 T. Early deployment releases contain fixes for software caveats and support for new Cisco hardware and software features. Table 1shows recent early deployment releases for the Cisco 7000 family.
Table 1 Early Deployment Releases for the Cisco IOS Release 12.2 DD
ED Release Maintenance Release Additional Software Features Additional Hardware Features AvailabilityCisco IOS Release 12.2 DD4
(2)DD4
Cisco IOS Release 12.2(2)DD4 contains no additional software or hardware features.
Cisco IOS Release 12.2(2)DD4 includes caveat fixes only. For more information, see the "Caveats" section
03/08/2002
Cisco IOS Release 12.2 DD3
(2)DD3
Cisco IOS Release 12.2(2)DD3 contains no additional software or hardware features.
Cisco IOS Release 12.2(2)DD3 includes caveat fixes only. For more information, see the "Caveats" section
02/07/2002
Cisco IOS Release 12.2 DD2
(2)DD2
Cisco IOS Release 12.2(2)DD2 contains no additional software or hardware features.
Cisco IOS Release 12.2(2)DD2 includes caveat fixes only. For more information, see the "Caveats" section
02/07/2002
Cisco IOS Release 12.2 DD1
(2)DD1
Cisco IOS Release 12.2(2)DD1 contains no additional software or hardware features.
Cisco IOS Release 12.2(2)DD1 includes caveat fixes only. For more information, see the "Caveats" section
12/03/2001
Cisco IOS Release 12.2 DD
(2)
Direct-Request (Domain Stripping) VRF Aware
Per VRF AAA
PPPoE over Gigabit Ethernet
PPPoE Session Limit
Quality of Service Features for Parallel Express Forwarding (PXF)
Virtual Template Limit Expansion to 200
VLAN Range
VPDN Group Session Limiting
VRF in Server Group
7401 ASR
PA-2FE
PA-8PRI
PA-MC-8TE1+
08/13/2001
System Requirements
This section describes the system requirements for Cisco IOS Release 12.2 DD and includes the following sections:
•Determining the Software Version
•Upgrading to a New Software Release
Memory Recommendations
Supported Hardware
Cisco IOS Release 12.2(2)DD4 supports the following Cisco 7000 family platforms:
•Cisco 7200 series routers (including the Cisco 7202, Cisco 7204, Cisco 7206, Cisco 7204VXR, and Cisco 7206VXR)
•Cisco 7401 ASR routers
For detailed descriptions of the new hardware features, see the "New and Changed Information" section.
Determining the Software Version
To determine the version of Cisco IOS software running on your Cisco 7000 family router, log in to the Cisco 7000 family router and enter the show version EXEC command. The following sample show version command output is from a router running a Cisco 7200 series software image with Cisco IOS Release 12.2(2)DD4:
Router> show versionCisco Internetwork Operating System SoftwareIOS (tm) 12.2 DD Software (c7200-is-mz), Version 12.2(2)DD4, RELEASE SOFTWAREUpgrading to a New Software Release
For general information about upgrading to a new software release, refer to Software Installation and Upgrade Procedures located at the following URL:
http://www.cisco.com/warp/public/130/upgrade_index.shtml
Feature Set Tables
The Cisco IOS software is packaged in feature sets consisting of software images—depending on the platform. Each feature set contains a specific set of Cisco IOS features.
Cisco IOS Release 12.2(2)DD4 supports the same feature sets as Cisco IOS Release 12.2, but Cisco IOS Release 12.2(2)DD4 can include new features supported by the Cisco 7000 family.
Caution Cisco IOS images with strong encryption (including, but not limited to, 168-bit Triple Data Encryption Standard [3DES] data encryption feature sets) are subject to United States government export controls and have limited distribution. Strong encryption images to be installed outside the United States are likely to require an export license. Customer orders may be denied or subject to delay because of United States government regulations. When applicable, purchaser and user must obtain local import and use authorizations for all encryption strengths. Please contact your sales representative or distributor for more information, or send an e-mail to export@cisco.com.
Table 7 lists the features and feature sets supported by the Cisco 7000 series routers in Cisco IOS Release 12.2(2)DD4 and uses the following conventions:
•Yes—The feature is supported in the software image.
•No—The feature is not supported in the software image.
•In—The number in the "In" column indicates the Cisco IOS release in which the feature was introduced. For example, (2) means a feature was introduced in 12.2(2)DD. If a cell in this column is empty, the feature was included in the initial base release.
Note This table might not be cumulative or list all the features in each image. You can find the most current Cisco IOS documentation on Cisco.com. These electronic documents may contain updates and modifications made after the hard-copy documents were printed. If you have a Cisco.com login account, you can find image and release information regarding features prior to Cisco IOS Release 12.2(2)DD4 by using the Feature Navigator tool at http://www.cisco.com/go/fn.
New and Changed Information
The following sections list the new hardware and software features supported by the Cisco 7000 family for Cisco IOS Release 12.2 DD.
New Hardware Features in Cisco IOS Release 12.2(2)DD4
There are no new hardware features supported in Cisco IOS Release 12.2(2)DD4.
New Software Features in Cisco IOS Release 12.2(2)DD4
There are no new software features supported in Cisco IOS Release 12.2(2)DD4.
New Hardware Features in Cisco IOS Release 12.2(2)DD3
There are no new hardware features supported in Cisco IOS Release 12.2(2)DD3.
New Software Features in Cisco IOS Release 12.2(2)DD3
There are no new software features supported in Cisco IOS Release 12.2(2)DD3.
New Hardware Features in Cisco IOS Release 12.2(2)DD2
There are no new hardware features supported in Cisco IOS Release 12.2(2)DD2.
New Software Features in Cisco IOS Release 12.2(2)DD2
There are no new software features supported in Cisco IOS Release 12.2(2)DD2.
New Hardware Features in Cisco IOS Release 12.2(2)DD1
There are no new hardware features supported in Cisco IOS Release 12.2(2)DD1.
New Software Features in Cisco IOS Release 12.2(2)DD1
There are no new software features supported in Cisco IOS Release 12.2(2)DD1.
New Hardware Features in Cisco IOS Release 12.2(2)DD
The following new hardware features are supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)DD:
7401 ASR
Platform: Cisco 7401 ASR router
The Cisco 7400ASR delivers exceptional price/performance to meet the requirements of both enterprise and service providers. With its combination of scalable performance, density, and low per-port pricing, the Cisco 7400ASR allows network-layer capabilities to be extended to a much wider range of network configurations and environments. Customers can now gain the advantages of high-performance network-layer switching and services, including security, QoS, and traffic management to more locations throughout the network.
•Form Factor (Stackable 1 rack unit, low power (under 50W), front to back airflow)
•Hardware accelerated network application service with PXF processing
•Cost effective GE to GE Layer 2- 7 network services
•Ideal new world CPE with full MPLS and MPLS VPN support
•Flexible WAN connectivity with over 40 interfaces
•(Serial, Channelized, ISDN, Frame, ATM, IP, 64K to OC3)
The Cisco 7400ASR delivers the full suite of Cisco IOS software services for managing network security, allocating QoS among applications or users, and providing value-added services such as NetFlow accounting and encryption. QoS applications such as committed access rate (CAR), Weighted Random Early Detection (WRED), and Weighted Fair Queuing (WFQ) can be flexibly applied to provide precedence across IP addresses, applications, or specific users with a high level of granularity.
The Cisco 7400ASR offers scalable density with a very wide range of interfaces including:
•Ethernet, Fast Ethernet, 100VG-AnyLAN, and Gigabit Ethernet
•Serial and Multi-channel
•OC3 POS and OC3 ATM
•SDN Primary Rate Interface (PRI), Basic Rate Interface (BRI), High-Speed Serial Interface (HSSI), packet over T3/E3, multichannel T1/E1/T3, and ATM
The Cisco 7400ASR uses the same port adapters as the Cisco 7500 Versatile Interface Processor (VIP), thus protecting customer investment in interfaces and simplifying sparing.
The Cisco 7400ASR sets new standards in price/performance/ rack density, meeting requirements for high-performance Layer 3 services at an affordable price. The NSE-1 engine powers the Cisco 7400ASR. Network Services Engine (NSE-1) takes advantage of parallel processing in order to offer unprecedented price/performance. NSE-1 delivers wire rate OC3 throughput while running concurrent high-touch WAN edge services. It is the first Cisco processing engine to offer integrated hardware acceleration increasing Cisco 7400ASR system performance by 50-300% for combined "high touch" edge services. NSE-1 takes advantage of a new technology called Parallel eXpress Forwarding (PXF).
PA-2FE
Platform: Cisco 7200 series and Cisco 7401 ASR routers
The PA-2FE provides two 10/100-Mbps, 10/100BaseT Fast Ethernet/Inter-Switch Link (ISL) interfaces and supports both full-duplex and half-duplex operation. The PA-2FE comes in two models, the PA-2FE-TX and the PA-2FE-FX).
Each Fast Ethernet port on the PA-2FE-TX has an RJ-45 connector to attach to Category 5 unshielded twisted-pair (UTP) cable for 100BaseTX. Each Fast Ethernet port on the PA-2FE-FX has an SC-type fiber-optic connector for 100BaseFX.
PA-8PRI
Platforms: Cisco 7200 VXR and Cisco 7401 ASR routers
The multichannel E1/PRI port adapters (PA-MC-2E1 and PA-MC-8E) integrate data service unit (DSU) functionality and E1 channel support into the Cisco router.
The PA-MC-2E1 or PA-MC-8E1 port adapter provides two or eight independent E1 (120-ohm) connections via RJ-48C connectors. (See Figure 1-1 and Figure 1-2.) The PA-MC-8E1 port adapter can provide up to 128 separate full-duplex High-Level Data Link Control (HDLC) channelized E1, fractional E1, full E1, or unframed E1 interfaces and the PA-MC-2E1 port adapter can provide up to 62 separate full-duplex HDLC channelized E1, fractional E1, full E1, or unframed E1 interfaces.
PA-MC-8TE1+
Platforms: Cisco 7200 series and Cisco 7401 ASR routers
The PA-MC-8TE1+ port adapter is a multichannel port adapter that provides eight DSX-1/DS1 or eight G.703 interfaces. The PA-MC-8TE1+ interfaces can be channelized, fractional, ISDN PRI, or nonframed.
The PA-MC-8TE1+ supports Facility Data Link (FDL) in Extended Superframe (ESF) framing on T1 networks, as well as network and payload loopbacks. Bit error rate testing (BERT) is supported on each of the T1 or E1 links. BERT can be run only on one port at a time.
The PA-MC-8TE1+ port adapter does not support the aggregation of multiple T1s or E1s (called inverse muxing or bonding) for higher bandwidth data rates. The multichannel PA-MC-8TE1+ port adapter supports Cisco HDLC, Frame Relay, PPP, and Switched Multimegabit Data Service (SMDS) Data Exchange Interface (DXI) encapsulations over each T1 or E1 link. For SMDS only, DXI is sent on the T1 or E1 line, so it needs to connect to an SMDS switch that has direct DXI input.
New Software Features in Cisco IOS Release 12.2(2)DD
The following new software features are supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)DD:
Direct-Request (Domain Stripping) VRF Aware
Platform: Cisco 7200 series and Cisco 7401 ASR routers
Using the Direct-Request (Domain Stripping) VRF Aware feature, you can enable VRF aware domain-stripping configurations. Use domain-stripping to strip (truncate) the domain from the username. For example, if you configure Direct-Request (Domain Stripping) where the username is user1@cisco.com, only 'user1' will be sent out as the username.
Configure this feature using the radius-server domain-stripping command. Domain stripping can be applied to any particular VRF or non-VRFs users. See the Per VRF AAA feature module for more details.
Per VRF AAA
Platforms: Cisco 7200 series and Cisco 7401 ASR routers
Using the Per VRF AAA feature Internet Service Providers (ISPs) can partition authentication, authorization, and accounting (AAA) services based on Virtual Route Forwarding (VRF). This permits the Virtual Home Gateway (VHG) to communicate directly with the customer RADIUS server associated with the customer VPN, without having to go through a RADIUS proxy. Thus, ISPs can scale their VPN offerings more efficiently because they no longer need to proxy AAA to provide their customers the flexibility demanded.
To support per VRF AAA, AAA must be VRF aware. ISPs must be able to define multiple instances of the same operational parameters—such as AAA server groups, method lists, system accounting, and protocol specific parameters—and secure the parameters to the VRF partitions.
If an AAA configuration, such as a method list, is uniquely defined many times across the network access server (NAS), the specification of the AAA server, which is based on IP addresses and port numbers, may create an overlapping of private addresses between VRFs. Securing AAA method lists to a VRF can be accomplished from one or more of the following sources:
Virtual Template—used as a generic interface configuration
Service Provider AAA server—used to associate a remote user with a specific VPN based on the domain name or DNIS. The server then provides the VPN-specific configuration for the virtual access interface, which includes the IP address and port number of the customer's AAA server.
Customer VPN AAA server—used to authenticate the remote user and to provide user-specific configurations for the virtual access interface.
Global AAA accounting configurations and some AAA protocol-specific parameters cannot be logically grouped under the Virtual Template configuration.
PPPoE over Gigabit Ethernet
Platforms: Cisco 7200 series and Cisco 7401 ASR routers
The PPPoE over Gigabit Ethernet feature enhances PPP over Ethernet (PPPoE) functionality by adding support for PPPoE and PPPoE over IEEE 802.1Q VLANs on Gigabit Ethernet interfaces. The PPPoE over Gigabit Ethernet feature is supported on Cisco 7200 series routers with Gigabit Ethernet line cards.
PPPoE Session Limit
Platform: Cisco 7200 series and Cisco 7401 routers
The PPPoE Session Limit feature enables you to limit the number of PPPoE sessions that can be created on a router or on an ATM PVC, PVC range, or VC class.
Before the introduction of this feature, there was no way to limit the number of PPPoE sessions that could be created on a router. Not having a limit was potentially a problem because it was possible that the router could create so many PPPoE sessions that it would run out of memory.
To prevent the router from using too much memory for virtual access, the PPPoE Session Limit feature introduces a new command and a modification to an existing command that enable you to specify the maximum number of PPPoE sessions that can be created. The new pppoe limit max-sessions command limits the number of PPPoE sessions that can be created on the router. The modified pppoe max-sessions command limits the number of PPPoE sessions that can be created on an ATM PVC, PVC range, VC class, or Ethernet subinterface.
Quality of Service Features for Parallel Express Forwarding (PXF)
Platform: Cisco 7200 VXR using a Network Services Engine (NSE) and Cisco 7401 ASR routers
The Modular Quality of Service Command-Line Interface (Modular QoS CLI) and many of the associated class-based QoS features are now available on PXF.
The following class-based QoS features are being introduced for PXF:
•Traffic Policing —the police command in policy map class configuration mode.
•Class-Based Weighted Fair Queueing (CBWFQ) —the bandwidth and fair-queue commands in policy map class configuration mode.
•Low Latency Queueing (LLQ) —the priority command used in policy map class configuration mode.
•Class-Based Marking —the set command used in policy map class configuration mode. Class-Based Marking support is limited to 32 traffic classes per traffic policy, and the QoS group marking (set qos-group) is not supported.
•Class-Based Weighted Random Early Detection (CBWRED) and Differentiated Services- Compliant Weighted Random Early Detection (DiffServ-Compliant WRED)—the random-detect command used simultaneously with the bandwidth command in policy map class configuration mode.
•Flow-Based Weighted Random Early Detection—the random-detect command used simultaneously with the bandwidth command in policy map class configuration mode.
The Committed Access Rate (CAR) feature configured to use an access list with rate-limiting policies (the access-list rate-limit command in interface configuration mode) is also now available on PXF. If you wish to rate-limit traffic without using an ACL, use the Modular QoS CLI to configure the Traffic Policing feature.
Because of the addition of the Modular QoS CLI, traditional WRED (the random-detect command in interface configuration mode) and Fair Queueing (the fair-queue command in interface configuration mode) are no longer configurable. If you would like to configure WRED or Fair Queueing, you can use the Modular QoS CLI to configure Class-Based WRED or Class-Based Weighted Fair Queueing on a per-class rather than a per-interface basis.
The Modular QoS CLI on PXF does not currently support the following match criteria that are available on other Modular QoS CLI-supported platforms:
•Destination address
•Input Interface
•Internet Protocol (IP) values
•Multi Protocol Label Switching (MPLS) values
•Protocol
•Quality of Service (QoS) group values
•Source address
For additional information on the Modular QoS CLI, see the Modular Quality of Service Command-Line Interface document.
Virtual Template Limit Expansion to 200
Platform: Cisco 7200 series and Cisco 7401 ASR routers
The Virtual Template Limit Expansion to 200 featurette increases the maximum number of virtual template interfaces from 25 to 200.
See the Per VRF AAA feature module for more details.
VLAN Range
Platforms: Cisco 7200 series and Cisco 7401 ASR routers
Using the VLAN Range feature, you can group VLAN subinterfaces together so that any command entered in a group applies to every subinterface within the group. This simplifies configurations and reduces command parsing.
VPDN Group Session Limiting
Platforms: Cisco 7200 series and Cisco 7401 ASR routers
Before the introduction of the VPDN Group Session Limiting feature, you could only globally limit the number of VPDN sessions on a router with limits applied equally to all VPDN groups. Using the VPDN Group session limiting feature, you can limit the number of VPDN sessions allowed per VPDN group. This feature is implemented with the introduction of the session-limit number command in VPDN configuration mode. VPDN group session limiting is applied after the global VPDN session limiting (which is configured via the vpdn session-limit session command in configuration mode) is enforced.
VRF in Server Group
Platform: Cisco 7200 series and Cisco 7401 ASR routers
Before the introduction of VRF in Server Group feature, per VRF AAA configurations did not allow dial users to utilize AAA servers in different VRFs. The dial user VRF was referred to whenever AAA requests were sent to the servers. This simplifies the configuration but limits users to utilizing AAA servers in the same routing domains.
With the introduction of VRF in Server Group feature, AAA servers have their own configurable per server-group VRF references. See the Per VRF AAA feature module for more details.
MIBs
Current MIBs
To obtain lists of supported MIBs by platform and Cisco IOS release, and to download MIB modules, go to the Cisco MIB website on Cisco.com at http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml.
Deprecated and Replacement MIBs
Old Cisco MIBs will be replaced in a future release. Currently, OLD-CISCO-* MIBs are being converted into more scalable MIBs without affecting existing Cisco IOS products or network management system (NMS) applications. You can update from deprecated MIBs to the replacement MIBs as shown in Table 14.
Important Notes
Image Obsolescence, Cisco IOS Release 12.1(7)E
All Cisco 7200 series and Cisco 7400 series images in Cisco IOS Releases 12.2(2)DD have been obsoleted from manufacturing.
These images are now available in Cisco IOS Release 12.2(2)DD1.
Note Disclaimer: In order to increase network availability, Cisco recommends that you upgrade affected IOS images with the suggested replacement software images. Cisco will discontinue manufacturing shipment of affected IOS images. Any pending order will be substituted by the replacement software images. PLEASE BE AWARE THAT FAILURE TO UPGRADE THE AFFECTED IOS IMAGES MAY RESULT IN NETWORK DOWNTIME. The terms and conditions that governed your rights and obligations and those of Cisco, with respect to the deferred images, will apply to the replacement images.
Caveats
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most serious caveats; severity 2 caveats are less serious. Severity 3 caveats are moderate caveats, and only select severity 3 caveats are included in the caveats document.
This section contains only open and resolved caveats for the current Cisco IOS maintenance release.
All caveats in Cisco IOS Release 12.2 and Cisco IOS Release 12.2 are also in Cisco IOS Release 12.2(2)DD4.
For information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2.
For information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T, which lists severity 1 and 2 caveats and select severity 3 caveats and is located on Cisco.com and the Documentation CD-ROM.
Note If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for any release. To reach Bug Navigator II, log in to Cisco.com and click Software Center: Cisco IOS Software: Bug Toolkit: Bug Navigator II. Another option is to go to http://www.cisco.com/support/bugtools/.
Because Cisco IOS Release 12.2(2)DD1 is the initial base release, there are no resolved caveats. For a list of the resolved caveats, see the next set of release notes for this release version.
Open Caveats—Cisco IOS Release 12.2(2)DD4
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)DD4 and describes only severity 1 and 2 caveats and select severity 3 caveats.
There are no known open caveats for Cisco IOS Release 12.2(2)DD4.
Resolved Caveats—Cisco IOS Release 12.2(2)DD4
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)DD4. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCds55033
In heavy traffic situation, the packet being switched by Cisco Express Forwarding (CEF) may be corrupted.
Workaround: Disable CEF. However, this will increase the CPU load.
•CSCdv37414
A Cisco 7200 router running Cisco IOS Release 12.2(3) may experience packet loss if Cisco Express Forwarding (CEF) is configured over an Inter-Switch Link (ISL) trunk configured, which is configured on a PA-2FE-FX Two-Port Fast Ethernet port adaptor.
There are no known workarounds.
Open Caveats—Cisco IOS Release 12.2(2)DD3
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)DD3 and describes only severity 1 and 2 caveats and select severity 3 caveats.
There are no known open caveats for Cisco IOS Release 12.2(2)DD3.
Resolved Caveats—Cisco IOS Release 12.2(2)DD3
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)DD3. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdw65903
An error can occur with management protocol processing. Please use the following URL for further information:
http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdw65903
Open Caveats—Cisco IOS Release 12.2(2)DD2
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)DD2 and describes only severity 1 and 2 caveats and select severity 3 caveats.
There are no known open caveats for Cisco IOS Release 12.2(2)DD2.
Resolved Caveats—Cisco IOS Release 12.2(2)DD2
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)DD2. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdv35848
A Cisco 7200 series router with an L2TP Network Server (LNS) might print out the following error message:
Sep 17 11:05:47.619 PST: %SCHED-2-WATCH: Attempt to enqueue uninitializedwatched queue (address 0).-Process= "IP Input", ipl= 0, pid= 31-Traceback= 6051D6F4 60CF22D4 60CE8958 605B15D0 605D7888 605D5900 605D5A14605D5BA0 605046BC 605046A8There are no known workarounds.
•CSCdw42849
On a Cisco 7200 series router, Point-to-Point Protocol (PPP) over Ethernet session may not be cleared normally. A session may become stuck in DOWN and if the next new session exceeds a session limit, the new session would not be created.
Workaround: Manually clear the Virtual Interface.
Open Caveats—Cisco IOS Release 12.2(2)DD1
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)DD1 and describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdu33405
A Cisco 7400 series router may unexpectedly reload when online insertion and removal (OIR) of PA-A3-OC3 is performed with bidirectional traffic running.
There are no known workarounds.
•CSCdu60311
A Cisco 7200 series router configured with Quality of Service (QOS) may not have qeueing info/stats in the Parallel Express Forwarding (PXF) path when issuing the show queue command.
There are no known workarounds.
•CSCdu63830
A Cisco 7200 series router using the Class Based Weighted Random Early Detection (CB-WRED) feature in the Parallel eXpress Forwarding (PXF) path on a Network Services Engine (NSE-1) may have the default threshold parameters differ from those that apply in the IOS path.
The parameters shown by the show policy-map command are those used in the IOS path. If parameters are defaulted for some precedences but not for others, the results may not be as expected.
Workaround: Default the thresholds for all precedences.
Alternative workaround: Prescribe the thresholds for all precedences.
•CSCdu72839
On a Cisco 7200 series router, configurating and then unconfigurating the atm bundle causes the interface to stop forwarding.
There are no known workarounds.
•CSCdu74325
On a Cisco 7400 series router, when "no keepalives" is set on a i82543 based Gig/Fast/Ethernet interface, IOS may fail to see a change in speed, duplex or link status on the cable.
Workaround: Enable keepalives via the "keepalive" command or to perform a shut and no shut on the interface.
•CSCdu88327
A Cisco router may not have a LINEPROTO-5-UPDOWN message printed even though the session is up.
There are no known workarounds.
•CSCdv01004
When clear counters command is executed on Cisco 7401 router, CPU utilization may reach 100%.
Workaround: Clear counters one by one instead all of them at one time.
•CSCdv08146
On a Cisco 7400 series router, when vpdn multihop is enabled, the input counters on a gigabit ethernet interface of a 7400 router do not increment for packets switched through the multihop interface.
There are no known workarounds.
•CSCdv35848
A Cisco 7200 series router with an L2TP Network Server (LNS) may have it print out the following error message:
Sep 17 11:05:47.619 PST: %SCHED-2-WATCH: Attempt to enqueue uninitializedwatched queue (address 0).-Process= "IP Input", ipl= 0, pid= 31-Traceback= 6051D6F4 60CF22D4 60CE8958 605B15D0 605D7888 605D5900 605D5A14605D5BA0 605046BC 605046A8There are no known workarounds.
•CSCdv37075
A Cisco 7200 router with a Network Services Engine (NSE-1) and Parallel eXpress Forwarding (PXF) enabled doesn't perform the CBWFQ priority priority command when the bandwidth is specified as a percentage of the interface bandwidth.
Workaround: Configure the priority bandwidth explicitly.
•CSCdv65315
A Cisco 7200 series router using a PA-MC-8TE1+ port adapter and running IOS Version 12.2(02)DD might crash while booting with the following messages on the console:
%CHOPIN-3-INITFAIL: CHOPIN (bay 0), Init Failed at ../pas/if_pas_chopin.c -line 3471 arg 738211F8-Process= "Init", ipl= 3, pid= 2-Traceback= 60411A6C 60413554 60582054 605821B8 60530AAC 6046F5AC 6046F7A06050EC5C 6050EC48%PA-3-DEACTIVATED: port adapter in bay [3] powered off.%ALIGN-1-FATAL: Corrupted program counterpc=0x0, ra=0x60414194, sp=0x60DBE008%ALIGN-1-FATAL: Corrupted program counterpc=0x0, ra=0x60414194, sp=0x60DBE008-Traceback= 0 60414194 60591C08 60592834 604137A8 60582054 605821B8 60530AAC6046F5AC 6046F7A0 6050EC5C 6050EC48signal= 0xA, code= 0x408, context= 0x60D82F60=== Flushing messages (17:08:26 UTC Fri Oct 19 2001) ===Free space check for bootflash:crashinfo_20011019-170826 failed (-1/1043)-Traceback= 0 60414194 60591C08 60592834 604137A8 60582054 605821B8 60530AAC6046F5AC 6046F7A0 6050EC5C 6050EC48*** System received a Bus Error exception ***signal= 0xa, code= 0x408, context= 0x60d82f60PC = 0x6053c01c, Cause = 0x420, Status Reg = 0x34008002There are no known workarounds.
•CSCdv70007
On a Cisco 7200 series router, the two CLI's, "sh isdn active" and "sh isdn status". do not match the active calls.
There are no known workarounds.
•CSCdw01472
The GE interface on an Cisco 7401 router may not count all input drops or throttles. When the input queue fills up on the GE interface new input packets are dropped. These dropped packets may not be reflected in the interface input drop or throttle counts.
There are no known workarounds.
•CSCdw03282
On a Cisco 7400 series router, some sessions stay at wt-con state untill l2tp tunnel is torn down.
There are no known workarounds.
•CSCdw03871
A Cisco 7400 series router running IOS 12.2(2)DD and configured for L2TP tunnels, may crash by software forced crash when traffic is sent onto the tunnels.
There are no known workarounds.
Open Caveats—Cisco IOS Release 12.2(2)DD
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)DD and describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdu33405
A Cisco 7400 series router may unexpectedly reload when online insertion and removal (OIR) of PA-A3-OC3 is performed with bidirectional traffic running.
There are no known workarounds.
•CSCdu53438
On a Cisco 7200 series router, untagged packets arriving on an interface with dotlq subinterfaces may be treated as plain ethernet packets instead of native virtual LAN (VLAN) if the router is using a Network Services Engine (NSE-1) or 7400 with Parallel Express Forwarding (PXF) switching enabled. This will prevent input features on the subinterface from operating correctly.
There are no known workarounds.
•CSCdu60311
A Cisco 7200 series router configured with Quality of Service (QOS) may not have qeueing info/stats in the Parallel Express Forwarding (PXF) path when issuing the show queue command.
There are no known workarounds.
•CSCdu63830
A Cisco 7200 series router using the Class Based Weighted Random Early Detection (CB-WRED) feature in the Parallel eXpress Forwarding (PXF) path on a Network Services Engine (NSE-1) may have the default threshold parameters differ from those that apply in the IOS path.
The parameters shown by the show policy-map command are those used in the IOS path. If parameters are defaulted for some precedences but not for others, the results may not be as expected.
Workaround: Default the thresholds for all precedences.
Alternative workaround: Prescribe the thresholds for all precedences.
•CSCdu64444
A Cisco 7400 series router with Inter-Switch Link (ISL) packets may not have those packets recognized by Cisco Express Forwarding (CEF) switching. This only occurs on PA-2FE, PA-GE, and Cisco 7400 GE and FE ports.
Workaround: Use any port adaptor other than PA-2FE, PA-GE, or Cisco 7400 GE and FE port adaptors.
•CSCdu86681
A Cisco 7400 series router configured as a L2TP Access Concentrator (LAC) may unexpectedly reload when performing L2TP failover to an alternate L2TP Network Server (LNS).
There are no known workarounds.
•CSCdu87365
A Cisco router with frame-relay encapsulation and is-is configured may unexpectedly reload or hang when passing ping packets.
There are no known workarounds.
•CSCdu88673
A Cisco 7200 series router configured as a L2TP Access Concentrator (LAC) may encounter a bus error when receiving data via Integrated Services Digital Network (ISDN).
There are no known workarounds.
Related Documentation
The following sections describe the documentation available for the Cisco 12.2(2)DD4. These documents consist of hardware and software installation guides, Cisco IOS configuration guides and command references, system error messages, feature modules, and other documents.
Documentation is available as printed manuals or electronic documents, except for feature modules, which are available online on Cisco.com and the Documentation CD-ROM.
Use these release notes with these documents:
•Cisco IOS Software Documentation Set
Release-Specific Documents
The following documents are specific to Cisco IOS Release 12.2 and are located on Cisco.com and the Documentation CD-ROM:
•Cross-Platform Release Notes for Cisco IOS Release 12.2
On Cisco.com at:
Technical Documents: Cisco IOS Software: Cisco IOS Release 12.2: Release Notes: Cross-Platform Release Notes
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2: Release Notes: Cross-Platform Release Notes
•Product bulletins, field notices, and other release-specific documents on Cisco.com at:
Technical Documents
•Caveats for Cisco IOS Release 12.2
As a supplement to the caveats listed in "Caveats" in these release notes, see Caveats for Cisco IOS Release 12.2 document, which contains caveats applicable to all platforms for all maintenance releases of Cisco IOS Release 12.2.
•Caveats for Cisco IOS Release 12.2 T
As a supplement to the caveats listed in Caveats for Cisco IOS Release 12.2 T, which contains caveats applicable to all platforms for all maintenance releases of Cisco IOS Release 12.2 T.
On Cisco.com at:
Technical Documents: Cisco IOS Software: Cisco IOS Release 12.2: Release Notes: Caveats
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.2: Release Notes: Caveats
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2: Caveats
Note If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for any release. To reach Bug Navigator II, log in to Cisco.com and click Software Center: Cisco IOS Software: Bug Toolkit: Bug Navigator II. Another option is to go to http://www.cisco.com/support/bugtools/bugtool.shtml.
Platform-Specific Documents
These documents are available for the Cisco 7000 family of routers on Cisco.com and the Documentation CD-ROM:
•Cisco 7000 Hardware Installation and Maintenance
•Cisco 7000 User Guide
•Cisco 7010 User Guide
•Cisco 7200 VXR Installation and Configuration Guide
•Cisco 7200 VXR Quick Start Guide
•Cisco 7202 Installation and Configuration Guide
•Cisco 7204 Installation and Configuration Guide
•Cisco 7206 Installation and Configuration Guide
•Cisco 7206 Quick Start Guide
•Cisco 7401 ASR Installation and Configuration Guide
•Cisco 7401 ASR Quick Start Guide
•Quick Reference for Cisco 7204 Installation
•Quick Start Guide Cisco 7100 Series VPN Router
On Cisco.com at:
Technical Documents: Documentation Home Page: Core/High-End Routers
On the Documentation CD-ROM at:
Cisco Product Documentation: Core/High-End Routers
Feature Modules
Feature modules describe new features supported by Cisco IOS Release 12.2(2)DD4 and are updates to the Cisco IOS documentation set. A feature module consists of a brief overview of the feature, benefits, configuration tasks, and a command reference. As updates, the feature modules are available online only. Feature module information is incorporated in the next printing of the Cisco IOS documentation set.
On Cisco.com at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.2: New Feature Documentation: New Features in 12.2-Based Limited Lifetime Releases: New Features in Release 12.2 DD
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2: New Feature Documentation: New Features in 12.2-Based Limited Lifetime Releases: New Features in Release 12.2 DD
Cisco IOS Software Documentation Set
The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents. The Cisco IOS software documentation set is shipped with your order in electronic form on the Documentation CD-ROM—unless you specifically ordered the printed versions.
Documentation Modules
Each module in the Cisco IOS documentation set consists of one or more configuration guides and one or more corresponding command references. Chapters in a configuration guide describe protocols, configuration tasks, and Cisco IOS software functionality, and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Use each configuration guide with its corresponding command reference.
On Cisco.com at:
Technical Documents: Cisco IOS Software Configuration: Cisco IOS Release 12.2: Configuration Guides and Command References
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2: Configuration Guides and Command References
Cisco IOS Release 12.2 Documentation Set Contents
Table 16 lists the contents of the Cisco IOS Release 12.2 software documentation set, which is available in electronic form and in printed form if ordered.
Note You can find the most current Cisco IOS documentation on Cisco.com and the Documentation CD-ROM. These electronic documents may contain updates and modifications made after the hard-copy documents were printed.
On Cisco.com at:
Technical Documents: Cisco IOS Software Configuration: Cisco IOS Release 12.2
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2
Obtaining Documentation
The following sections provide sources for obtaining documentation from Cisco Systems.
World Wide Web
The most current Cisco documentation is available on the World Wide Web at http://www.cisco.com. Translated documentation can be accessed at http://www.cisco.com/public/countries_languages.shtml.
Documentation CD-ROM
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.
Ordering Documentation
Cisco documentation is available in the following ways:
•Registered Cisco Direct Customers can order Cisco product documentation from the Networking Products MarketPlace:
http://www.cisco.com/cgi-bin/order/order_root.pl
•Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription Store:
http://www.cisco.com/go/subscription
•Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, in North America, by calling 800 553-NETS(6387).
Documentation Feedback
If you are reading Cisco products documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.
You can e-mail your comments to bug-doc@cisco.com.
For your convenience, many documents contain a response card behind the front cover for submitting your comments by mail. Otherwise, you can mail your comments to the following address:
Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
Obtaining Technical Assistance
The following sections provide sources for obtaining technical assistance from Cisco Systems.
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity. Through Cisco.com, you can find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco.
To access Cisco.com, go to the following website:
http://www.cisco.com
Technical Assistance Center
The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.
Contacting TAC by Using the Cisco TAC Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:
http://www.cisco.com/tac
P3 and P4 level problems are defined as follows:
•P3—Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue.
•P4—You need information or assistance on Cisco product capabilities, product installation, or basic product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
http://www.cisco.com/register/
Cisco.com registered users who cannot resolve a technical issue by using the TAC online resource can open a case online by using the TAC Case Open tool at the following website:
http://www.cisco.com/tac/caseopen
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
P1 and P2 level problems are defined as follows:
•P1—Your production network is down, causing a critical impact to business operations if service is not restored quickly. No workaround is available.
•P2—Your production network is severely degraded, affecting significant aspects of your business operations. No workaround is available.