Table Of Contents
Release Notes for Cisco 7000 Family for Cisco IOS Release 12.2 XA
Determining the Software Version
Upgrading to a New Software Release
New Hardware Features in Cisco IOS Release 12.2(2)XA4
New Software Features in Cisco IOS Release 12.2(2)XA4
New Hardware Features in Cisco IOS Release 12.2(2)XA1
New Software Features in Cisco IOS Release 12.2(2)XA1
New Hardware Features in Cisco IOS Release 12.2(2)XA
New Software Features in Cisco IOS Release 12.2(2)XA
Cisco H.323 Scalability and Interoperability Enhancements
Deprecated and Replacement MIBs
Image Obsolescence, Cisco IOS Release 12.2(2)XA
Caveats for Cisco IOS Release 12.2 XA
Resolved Caveats—Release 12.2(2)XA5
Open Caveats—Cisco IOS Release 12.2(2)XA4
Resolved Caveats—Cisco IOS Release 12.2(2)XA4
Open Caveats—Cisco IOS Release 12.2(2)XA1
Resolved Caveats—Cisco IOS Release 12.2(2)XA1
Resolved Caveats—Cisco IOS Release 12.2(2)XA
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 XA
February 9, 2002
Cisco IOS Release 12.2(2)XA5
OL-1670-02 Rev. B0
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)XA4. These release notes are updated as needed.
For a list of the software caveats that apply to Cisco IOS Release 12.2(2)XA4, see the "Important Notes" 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
•Caveats for Cisco IOS Release 12.2 XA
•Obtaining Technical Assistance
System Requirements
This section describes the system requirements for Cisco IOS Release 12.2 XA and includes the following sections:
•Upgrading to a New Software Release
Memory Recommendations
Table 1 describes the memory recommendations and the images supported by Cisco IOS Release 12.2(2)XA4 for the Cisco 7000 family of routers.
Supported Hardware
Cisco IOS Release 12.2(2)XA4 supports the following Cisco 7000 family platforms:
•Cisco 7200 series routers (including the Cisco 7202, Cisco 7204, and Cisco 7206)
•Cisco 7200 VXR routers (including the Cisco 7204VXR and Cisco 7206VXR)
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:
Router> show versionCisco Internetwork Operating System SoftwareIOS (tm) 12.2 XA Software (c7200-js-mz), Version 12.2(2)XA4, 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)XA4 supports the same feature sets as Cisco IOS Release 12.2, but Cisco IOS Release 12.2(2)XA4can 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 2 lists the features and feature sets supported by the Cisco 7000 family in Cisco IOS Release 12.2(2)XA4 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, (1) means a feature was introduced in 12.2(1)MB.
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.
Table 2 Feature List by Feature Set for the Cisco 7500 Series
Features In Software Images by Feature Sets Enterprise MiscellaneousCisco H.323 Scalability and Interoperability Enhancements
(2)
Yes
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(2)XA.
New Hardware Features in Cisco IOS Release 12.2(2)XA4
There are no new hardware features supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA4.
New Software Features in Cisco IOS Release 12.2(2)XA4
There are no new software features supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA4.
New Hardware Features in Cisco IOS Release 12.2(2)XA1
There are no new hardware features supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA1.
New Software Features in Cisco IOS Release 12.2(2)XA1
There are no new software features supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA1.
New Hardware Features in Cisco IOS Release 12.2(2)XA
There are no new hardware features supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA.
New Software Features in Cisco IOS Release 12.2(2)XA
The following new software features are supported by the Cisco 7000 family for Cisco IOS Release 12.2(2)XA:
Cisco H.323 Scalability and Interoperability Enhancements
Platforms: Cisco 7200 series routers
The Cisco H.323 Scalability and Interoperability Enhancements feature upgrades the Cisco H.323 Gatekeeper (GK) and Cisco H.323 Gateway to comply with H.323 Version 3. The enhancements include:
• Support for mandatory H.323 Version 3 elements in the gateway and GK, including:
–multipleCalls—This field is set to TRUE in all H.225 messages for TCP calls.
–maintainConnection— If the call-idle timer is set to a nonzero value, this field is set to TRUE in all H.225 messages for TCP calls. Otherwise, it is set to FALSE.
–alternateTransportAddresses—This structure contains the keyword annexE and the transport address of an alternate Annex E.
–useSpecifiedTransport—This field is marked as annexE. It is accompanied by the alternateTransportAddresses
structure which specifies the Annex E transport address.
•Support for H.225 call signalling over UDP. H.225 messages can be transported over TCP or UDP (as described in Annex E). At registration time, a Cisco H.323 Gateway indicates to the GK whether it is capable of transmitting over both TCP and UDP. If it is, the Cisco H.323 Gateway registers both its TCP and UDP addresses.
•Address resolution using border elements (BE). The BE (as described in Annex G) is colocated with the Cisco H.323 Gatekeeper and provides additional address resolution capabilities. The BE can cache address information from neighboring BEs. When the GK receives a call that it cannot resolve, it can contact its local BE. If the address is in the BE's cache, the BE on the GK sends an AccessRequest to the BE in the terminating domain. If the address is not in the BE's cache, then the BE attempts to resolve the address by sending an AccessRequest to each of its neighboring BEs.
•Support for bandwidth request (BRQ) messages. The Cisco H.323 Gateway requests the maximum bandwidth required to establish a call when it requests call admission using the admission request (ARQ) message. If the Codec type used for the established call requires less bandwidth than that allocated, the Cisco H.323 Gateway reports the lesser amount using the BRQ message. This BRQ message reports the actual bandwidth being utilized by the call. The bandwidth reported in the BRQ overrides the value previously reported in the ARQ message.
•Support for concurrent calls over a single H.225 call signalling channel. The call signalling channel is capable of carrying signalling for many concurrent calls. It uses the call reference value to associate a message with the call. H.323 endpoints indicate whether they are capable of handling multiple calls by setting a flag in the H.225 messages. If endpoint is unable to process any new calls on a given TCP connection, it can request a new connection by rejecting the SETUP message with a ReleaseComplete message with the cause code set to NewConnectionNeeded. The originating endpoint then establishes a new TCP connection and continues with the call setup. Cisco gateways have been enhanced to establish a new connection if a third-party endpoint requests one.
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 3.
Important Notes
Image Obsolescence, Cisco IOS Release 12.2(2)XA
All Cisco 7200 series images in Cisco IOS Releases 12.2(2)XA have been obsoleted from manufacturing.
These images are now available in Cisco IOS Release 12.2(2)XA1.
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 for Cisco IOS Release 12.2 XA
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 T are also in Cisco IOS Release 12.2(2)XA4.
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/cgi-bin/Support/Bugtool/launch_bugtool.pl.
Because Cisco IOS Release 12.2(2)XA is the initial base release, there are no resolved caveats. For a list of the resolved caveats, refer to the next set of release notes for this release version.
Resolved Caveats—Release 12.2(2)XA5
All caveats in this section have been resolved in Cisco IOS Release 12.2(2)XA5 but may be open in previous Cisco IOS releases.
•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)XA4
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)XA4 and describes only severity 1 and 2 caveats and select severity 3 caveats.
There are no open caveats for Cisco IOS Release 12.2(2)XA4.
Resolved Caveats—Cisco IOS Release 12.2(2)XA4
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)XA4. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
There are no resolved caveats for Cisco IOS Release 12.2(2)XA4.
Open Caveats—Cisco IOS Release 12.2(2)XA1
This section documents possible unexpected behavior by Cisco IOS Release 12.2(2)XA1 and describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdt87418
Call redirection on a Cisco IOS voice gateway may fail when "huntstop" is configured on the incoming Voice over IP (VoIP) dial-peer.
Workaround: Remove the huntstop configuration from the incoming VoIP dial-peer.
•CSCdu52821
A Cisco 7200 router with PA-VXC-2TE1+ may, under heavy stress, experience Digital Signal Processor (DSP) timeouts follow by a router reload due to a Watchdog Hard Reset.
There are no known workarounds.
•CSCdu78226
On a Cisco 7200 series router, calls may fail several hours into a load run and the following message is shown on the console:
%VTSP-3-DSP_TIMEOUT: DSP timeout on event 0x6:One or more Digital Signal Processors (DSP) may be shown as not responding.
Workaround: Reset the DSP.
Alternative Workaround: Invoke shut/noshut on the voice port when the problem occurs.
Resolved Caveats—Cisco IOS Release 12.2(2)XA1
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)XA1. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCds24111
On a Cisco7200 series router, the ATM sub-interface can be entered without specifiying link type. It is a parser related issue and once the subinterface is created it doesn't show up in the config.
Cache entries are not formed properly for the commands that use TEST macros like IFELSE, ASSERT, etc.
Workaround: Disable the prser cache using the no parser cache config command.
•CSCdt59455
A Cisco router executing the vty-async virtual-template <n> command may have the Point-to-Point Protocol (PPP) connection abruptly terminated if the "virtual-template <n>" interface has "no peer default ip address".
Workaround: Configure "peer default ip address pool WORKAROUND" and then "ip local pool WORKAROUND a.b.c.d" where a.b.c.d is an IP address.
•CSCdt93862
When HTTP server is enabled and local authorization is used, it is possible, under some circumstances, to bypass the authentication and execute any command on the device. It that case, the user will be able to exercise complete control over the device. All commands will be executed with the highest privilege (level 15).
All releases of Cisco IOS® software, starting with the release 11.3 and later, are vulnerable. Virtually, all mainstream Cisco routers and switches running Cisco IOS are affected by this vulnerability.
Products that are not running Cisco IOS software are not vulnerable.
The workaround for this vulnerability is to disable HTTP server on the router or to use Terminal Access Controller Access Control System (TACACS+) or Radius for authentication.
This advisory will be posted at http://www.cisco.com/warp/public/707/IOS-httplevel-pub.html
•CSCdu04236
A Cisco 7200 series router running Cisco IOS Release 12.2(1c) and voice features may crash with the following message:
System was restarted by error - a Software forced crash, PC 0x60437124 at 17:43:43 UTC Thu Aug 23 2001There are no known workarounds.
•CSCdu07504
A Cisco router that is running Cisco IOS Release 12.1(5)XM2 may experience a software-forced reload when the show voice dsp EXEC command is entered. The following message is displayed when the show version EXEC command is entered:
mc3810-sm-ish02 uptime is 10 minutes System returned to ROM by error - software forced crash, PC 0x2242AC System image file is "flash:mc3810-a2jsv5-mz.121-5.xm2"
There are no known workarounds.
•CSCdu08214
A Cisco router using the CallTracker Management Information Base (MIB) to poll for the userid of active users will have NULL return when Calling Line Identification (CLID) and Digital Number Identification Service (DNIS) information is not available.
There are no known workarounds.
•CSCdu30105
A Cisco 7200 series router running Cisco IOS Release 12.1(7.3)E or 12.2(1.3) may experience a reload when a vendor-specific challenge handshake authentication protocol authentication is performed through a RADIUS server when the wrong username or password is entered and when the RADIUS server returns an access-reject with at least one attribute other than the vendor-specific attribute (VSA).
There are no known workarounds.
•CSCdu46942
A Cisco router with Interactive Voice Response (IVR) scripts playing a "Number Unobtainable" (NU) tone will result in a dial tone. If cptone is set to GB, then there will be silence (no tone).
There are no known workarounds.
•CSCdu56186
On a Cisco router, a Resource Reservation Protocol (RSVP) and signal-only call is cleared by a terminating gateway after the gateway receives a Admission Confirm (ACF) message from the gatekeeper. This is the same problem as that reported with CSCdt66034. The fix for CSCdt66034 does not include the gatekeeper configuration case.
There are no workarounds.
•CSCdu57066
A Cisco router with voice ports can get stuck in the S_PROCEEDING state because the CCH323_H225_EVENT_CONN_LOST event is not handled in the CCH323_H225_STATE_ACC_FASTSTART_PROGRESS state.
There are no known workarounds.
•CSCdu59975
On a Cisco router, a glare condition may occur randomly on all voice platforms in Cisco IOS Release 12.2(1a), 12.2(2)T, or 12.2 XA when a busy port is assigned to a new incoming call. A glare condition occurs when two calls are assigned to the same port. For example, if there are only two ports, and they are both busy on a call when a new call comes in without a check for glare, one of the busy ports is allocated to the new call. This condition causes the preexisting call to be disconnected and the new call to receive a busy signal.
There are no known workarounds.
•CSCdu62721
On a Cisco router, incoming calls may fail to connect and may be released. The system does not put B channels on the first E1/T1 in service. Incoming calls are failing with channel unavailable. If the channels are "busyout" and "unbusy" the service is restored and calls can be properly accepted. This is observed on Cisco 5300 and 5800 universal access servers.
There are no known workaround.
•CSCdu63369
On a Cisco router, traceback messages may be observed on the Cisco Router console during call disconnect. This does not affect any functionality.
There are no known workarounds.
•CSCdu70661
On the Cisco AS5800 running IOS version 12.1(5)XM4, after provisioning the AS5800 to use SS7 Interconnect for Voice Gateways services for the first time, all the channels except for the 24th channel of the primary NFAS span may be stuck in channel service state = outofservice.
Workaround: Reload the box or perform a shut/no shut on the T3 controller or the individual T1 controllers.
•CSCdu82224
A Cisco router sending a V.120 64Kbps call may have the call be mis-identified as a Personal Handy Phone System (PIAFS) call by the Cisco Universal Access Server AS5300/AS5400/AS5800/AS5850. This occurs if the Termainal Adaptor sent a Q.931 SETUP frame matching the following criterias:
1. The Low Layer Compatibility fields were present in SETUP frame.
2. The Octet 5 identify this was a V.120 call and Octet 5A user rate was 64Kbps or 32Kbps.
Workaround: Configure the Terminal Adaptor not to send any Lower Layer Compatibility fields for V.120 calls and use the autodetect encapsulation ppp v120 command at the D-channel configuration.
•CSCdu87080
A Cisco router using a Trunking Gateway Control Protocol (TGCP) endpoint name with a domain name attached, such as ds/s-0/ds1-1/1@testnet.com, will have the endpoint name parsing fail and the message rejected with 500 error code.
Workaround: Use the local name for TGCP endpoints (ds/s-0/ds1-1/1) only.
•CSCuk21553
A Cisco router performing the telnet command with the /ipv6 and /ipv4 flags may not function properly. With or without these flags, telnet fails to perform a DNS lookup of the target hostname.
However, if some application other than telnet should first perform the DNS lookup so that the host of interest is in the cache, then telnet will be able to contact the host by name.
Workaround: Specify the telnet server by IP address rather than by hostname.
Alternative workaround: Use the ip host command to enter the name->address mapping locally.
•CSCuk23244
On a Cisco router, configuring a Primary Rate Interface (PRI) controller for an Integrated Services Digital Network (ISDN) using the pri-group command may cause an ISDN layer 2 failure.
Workaround: Save the ISDN configuration and reload the router.
Alternative workaround: Perform a shut command followed by a no shut command on the PRI controller.
Resolved Caveats—Cisco IOS Release 12.2(2)XA
All the caveats listed in this section are resolved in Cisco IOS Release 12.2(2)XA. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
•CSCdr56330
On a Cisco router with Gatekeeper running Cisco IOS Release 12.1(1)T, when the Gatekeeper has endpoint registrations with E.164 numbers, new "zone prefix" entries cannot be added to the Gatekeeper routing table.
Workaround: Shutdown the Gatekeeper before adding new "zone prefix" entries.
•CSCdt30211
On a Cisco Route Switch Processor (RSP) that is running Cisco IOS Release 12.1, using the no encapsulation smds interface configuration command on a serial interface may cause the Ethernet interface on a connected router to go down.
There are no known workarounds.
Related Documentation
The following sections describe the documentation available for the Cisco 7000 family. 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 Configuration: 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 "Important Notes" in these release notes, see Caveats for Cisco IOS Release 12.2 which contains caveats applicable to all platforms for all maintenance releases of Cisco IOS Release 12.2.
On Cisco.com at:
Technical Documents: 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
•Caveats for Cisco IOS Release 12.2 T
As a supplement to the caveats listed in "Important Notes" in these release notes, see 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 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 7200 VXR Installation and Configuration Guide
•Cisco 7206 Installation and Configuration Guide
•Cisco 7204 Installation and Configuration Guide
•Quick Reference for Cisco 7204 Installation
•Cisco 7202 Installation and Configuration Guide
•Quick Start Guide Cisco 7100 Series VPN Router
•Cisco 7010 User Guide
•Cisco 7000 User Guide
•Cisco 7000 Hardware Installation and Maintenance
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)XA4 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: Cisco IOS Software Configuration: Cisco IOS Release 12.2: New Feature Documentation
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.2: New Feature Documentation
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: Documentation Home Page: 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 4 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: Documentation Home Page: 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.