Table Of Contents
Release Notes for Cisco 6400 Node Route Processor (NRP) for Cisco IOS Release 11.3(9)DB3
Determining the Version of Your Software Release
Upgrading to a New Software Release
New Hardware and Software Features in Release 11.3(9)DB3
New Software Features in Release 11.3(9)DB2
No New Features in Release 11.3(8)DB1
No New Features in Release 11.3(7)DB
No New Features in Release 11.3(5)DB1
Open Caveats—Cisco IOS Release 11.3(9)DB3
Resolved Caveats—Release 11.3(9)DB3
Open Caveats—Release 11.3(9)DB2
Resolved Caveats—Release 11.3(9)DB2
Cisco IOS Software Documentation Set
Release 11.3 Documentation Set
Software Configuration Tips on the Cisco TAC Home Page
Release Notes for Cisco 6400 Node Route Processor (NRP) for Cisco IOS Release 11.3(9)DB3
February 18, 2002
These release notes for the Cisco 6400 node route processor (NRP) support Cisco IOS Release 11.3DB, up to and including Release 11.3(9)DB3. These release notes are updated as needed to describe new features, memory requirements, hardware support, software platform deferrals, and changes to the microcode or modem code and related documents.
For a list of the software caveats that apply to Release 11.3(9)DB3, see the "Caveats" section and Caveats for Cisco IOS Release 11.3 T. The caveats document is updated for every maintenance release and is located on Cisco Connection Online (CCO) and the Documentation CD-ROM.
Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 11.3 located on CCO and the Documentation CD-ROM.
Contents
These release notes discuss the following:
Introduction
The Cisco 6400 universal access concentrator (UAC) is a broadband concentrator that supports Cisco Systems' end-to-end ATM transmission services, PPP termination services, and tunneling services. The NRP is the routing processor for the Cisco 6400 UAC. It receives traffic from interfaces connected to one or more node switch processor (NSP) switch ports, reassembles the ATM cells into packets, routes packets, segments routed packets, and sends them back to the ATM switch for output to the network.
For information on new features and Cisco IOS commands supported by Release 11.3 T, see the "New and Changed Information" section and "Related Documentation" section.
System Requirements
This section describes the system requirements for Release 11.3:
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Determining the Version of Your Software Release
Memory Requirements
Table 1 describes the memory requirements for the Cisco 6400 NRP.
Table 1 Cisco 6400 NRP Memory Requirements
Cisco 6400 NRP
c6400-p5-mz
8 MB Flash
64 MB DRAM
RAM
When used in a redundant configuration, the primary and backup NRPs should have identical hardware configurations, including DRAM size and Flash memory size. To learn about redundancy in the Cisco 6400, see "Configuring Redundancy and SONET APS" in the Cisco 6400 UAC Software Configuration Guide.
Hardware Supported
Cisco IOS Release 11.3(9)DB3 supports the Cisco 6400 NRP.
CautionNRPs with a part number of 800-03655-04 or higher will only work with Cisco IOS Release 11.3(8)DB1 or newer. To upgrade to a new software release, see the "Cisco Connection Online" section.
The following interfaces are supported by the Cisco 6400 NRP:
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Software Compatibility
A Cisco 6400 NRP with Release 11.3(9)DB3 software requires the use of Cisco IOS Release 12.0(4)DB for the Cisco 6400 node switch processor (NSP). For information about Release 12.0(4)DB for the NSP, see Release Notes for Cisco 6400 Node Switch Processor (NSP) for Cisco IOS Release 12.0(4)DB.
Determining the Version of Your Software Release
To determine the version of Cisco IOS software currently running on the Cisco 6400 NRP, log on to the NRP and enter the show version EXEC command. The following is sample output from the show version command performed on the Cisco 6400. The version number is indicated on the second line as shown below:
Cisco Internetwork Operating System SoftwareIOS (tm) 6400 Software (c6400-p5-mz), Version 11.3(9)DB3.......The output includes additional information including processor revision numbers, memory amounts, hardware IDs, and partition information.
Upgrading to a New Software Release
For information about upgrading to a new software release, see the Cisco IOS Software Release 11.3 Upgrade Paths and Packaging Simplification product bulletin located on CCO at:
Service & Support: Product Bulletins: Software
Under Cisco IOS 11.3, click Cisco IOS Software Release 11.3 Upgrade Paths (#703: 12/97)
This product bulletin does not contain information specific to Cisco IOS Release 11.3 but provides generic upgrade information that may apply to Cisco IOS Release 11.3.
Feature Set Table
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. The following section lists the feature set matrix and the features supported by each feature set. The Cisco 6400 NRP can only use a single image called c6400-p5-mz. Table 2 lists the features supported by the Cisco 6400 NRP image.
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New and Changed Information
The following sections list the new features supported by the Cisco 6400 NRP for Release 11.3.
New Hardware and Software Features in Release 11.3(9)DB3
No new hardware and software features are support by the Cisco 6400 NRP for Release 11.3(9)DB3.
New Software Features in Release 11.3(9)DB2
The following new software features are supported by the Cisco 6400 NRP for Release 11.3(9)DB2.
RADIUS VC Logging
The RADIUS VC Logging feature is used by the Cisco 6400 Universal Access Concentrator to accurately record the VPI/VCI of an incoming subscriber session. This information is logged in the RADIUS accounting record created at session start-up.
Layer 2 Forwarding
The Cisco 6400 supports the Layer 2 Forwarding (L2F) protocol with up to 1000 concurrent PPP sessions, divided over a maximum of 25 tunnels, at any given time. The Cisco 6400 also supports concurrent use of the L2F and PPP over ATM protocols. The total number of PPP sessions (PPP over ATM and PPP over L2F) should not exceed 2000 at any given time.
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No New Features in Release 11.3(8)DB1
There are no new features supported by the Cisco 6400 NRP in Cisco IOS Release 11.3(8)DB1.
No New Features in Release 11.3(7)DB
There are no new features supported by the Cisco 6400 NRP in Cisco IOS Release 11.3(7)DB.
No New Features in Release 11.3(5)DB1
There are no new features supported by the Cisco 6400 NRP in Cisco IOS Release 11.3(5)DB1.
Caveats
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most serious caveats; severity 2 caveats are less serious.
This section contains open and resolved caveats only for the current Cisco IOS maintenance release.
All caveats in Release 11.3 and Release 11.3 T are also in Release 11.3(9)DB3.
For information on caveats in Cisco IOS Release 11.3, see "Important Notes and Caveats for Release 11.3" in Release Notes for Cisco IOS Release 11.3 on CCO and the Documentation CD-ROM. These release notes list severity 1 and 2 caveats affecting all maintenance releases.
For information on caveats in Cisco IOS Release 11.3 T, see Caveats for Cisco IOS Release 11.3 T on CCO and the Documentation CD-ROM.
Open Caveats—Cisco IOS Release 11.3(9)DB3
There are no open caveats specific to Cisco IOS Release 11.3(9)DB3 that require documentation in the release notes.
Resolved Caveats—Release 11.3(9)DB3
All the caveats listed in this section are resolved in Cisco IOS Release 11.3(9)DB3. This section describes only severity 1 and 2 caveats and select severity 3 caveats.
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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—Release 11.3(9)DB2
This section describes possibly unexpected behavior by Release 11.3(9)DB2. This section describes severity 1, 2, and selected severity 3 caveats.
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Occassionally PPP PVCs do not come up at the PPP client router. To workaround this issue, delete the offending PVC and reconfigure the PVC at the PPP client router.
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PPP sessions may drop in small numbers, renegotiate and come back up. As a workaround, use the no ilmi-enable command to disable ILMI on the NRP.
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NRP crashes when acting as a NAS during port flapping w/traffic. This may have impact on customers configuring NRP as NAS which is relatively common. The crash is intermittent and only occurs under constant heavy traffic. To reduce the number of sessions and off traffic load may help if feasible.
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A few sessions may drop when acting as a NAS with constant heavy traffic. The impact is minimal. To help the situation, one can reduce the number of sessions and off some load if feasible.
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When multilink PPP support is configured and multilink PPP sessions are actually terminated on NRP home gateway, virtual access interface may fail to function due to an incorrectly incremented input queue size. So even for non-multilink PPP session, as long as the same access interface is used, "L2X: Coalesce failed..." error may occur.
To work around the problem, turn off multilink PPP support on NRP and reboot.
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An NRP that is terminating a large number of RFC1483 PVCs (more than 1000) may experience high CPU utilization in the HyBridge input process
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When configuring a large number of PPP over ATM VCs on a single subinterface using VC classes, some of the VCs may end up with a virtual-access interface number of 0. To workaround this issue, delete and reconfigure the VC.
The following issues only affect NRPs that are configured as an L2F home gateway (HGW):
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NRP crashes when NSP switches over and NRP is configured as L2F home gateway.
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NRP crashes when running NRP as L2F home gateway with a large number of tunnel sessions and constant interface flapping.
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NOIDB error occurs and then NRP crashes when running NRP as L2F home gateway with a large number of tunnel sessions and constant interface flapping.
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Malloc failure occurs when running NRP as L2F home gateway with a large number of tunnel sessions and constant interface flapping.
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An NRP configured as an L2F home gateway may crash if one uses the show processes cpu command continuously (4 or 5 times) when CPU utilization is 100%.
Resolved Caveats—Release 11.3(9)DB2
All the caveats in this section are resolved in Release 11.3(9)DB2. This section describes severity 1, 2, and selected severity 3 caveats.
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You may see a crash due to a bus error in the ATM fastsend routing when sending data from an L2F tunnel with one session. A fix is available in the next maintenance release.
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When changing traffic shaping parameter in presence of traffic going through, NRP may have a software crash. There is already a fix, but not in 11.3(9)DB2. One may choose to shutdown the interface during configuration update as a workaround.
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By turning on fast switching on an ATM subinterface doing rfc1483 routing, IP connectivity is lost.
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If a PVC/VCI is added to a subinterface, and then the identifier is added the router may reload with memory corruption after exiting configuration mode. To avoid this reload, please remove the PVC first, before reconfiguring it with the identifier.
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If you configure ATM vc-per-vp to 2048 the range of VPIs you are allowed is 127. To be able to configure VPIs up to 255, you need to configure ATM vc-per-vp to 1024.
Related Documentation
The following sections describe the documentation available for the Cisco 6400. These documents consist of hardware and software installation guides, Cisco IOS configuration 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 CCO and the Documentation CD-ROM.
Use these release notes with these documents:
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Release-Specific Documents
The following documents are specific to Release 11.3. They are located on CCO and the Documentation CD-ROM:
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You can reach Release Notes for Cisco IOS Release 11.3 on CCO at:
Service & Support: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Release Notes for Cisco IOS Release 11.3
You can reach Release Notes for Cisco IOS Release 11.3 on the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Release Notes for Cisco IOS Release 11.3
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To reach these documents from the CCO home page, click on this path:
Service & Support: Technical Documents
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As a supplement to the caveats listed in "Caveats" in these release notes, see Caveats for Cisco IOS Release 11.3 T, which contains caveats applicable to all platforms for all maintenance releases of Release 11.3 T.
You can reach the caveats document on CCO at:
Service & Support: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Product-Specific Release Notes for Cisco IOS Release 11.3: Caveats for Cisco IOS Release 11.3 T
You can reach the caveats document on the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Product-Specific Release Notes for Cisco IOS Release 11.3: Caveats for Cisco IOS Release 11.3 T
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Platform-Specific Documents
The documents listed in are available for the Cisco 6400 UAC. These documents are also available online at Cisco Connection Online (CCO) and on the Documentation CD-ROM.
To access Cisco 6400 documentation on CCO, follow this path:
Service and Support: Technical Documents: Documentation Home Page: DSL Products: Cisco 6400
To access Cisco 6400 documentation on the Documentation CD-ROM, follow this path:
DSL Products: Cisco 6400
Feature Modules
Feature modules describe new features supported by Release 11.3 DB. Feature modules are available online only. In the next printing of the Cisco IOS documentation set, feature modules will be included as updates to the Cisco IOS Documentation set. Each feature module consists of a brief overview of the feature, benefits, configuration tasks, and a command reference.
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Service & Support: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Cisco IOS 11.3 DB New Features
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Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Cisco IOS 11.3 DB New Features
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. These documents are 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 two books: a configuration guide and a corresponding command reference. 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. Each configuration guide can be used in conjunction with its corresponding command reference.
On CCO and the Documentation CD-ROM, two master hot-linked index provide information for the Cisco IOS software documentation set: configuration guides and command references.
You can reach these documents on the CCO at:
Service & Support: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Cisco IOS 11.3 Configuration Guides, Command References: Configuration Guide Master Index or Command Reference Master Index
You can reach these documents on the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 11.3: Cisco IOS 11.3 Configuration Guides, Command References: Configuration Guide Master Index or Command Reference Master Index
Release 11.3 Documentation Set
details the contents of the Cisco IOS Release 11.3 software documentation set. The document set is available in electronic form, and also in printed form upon request.
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You can reach the Cisco IOS documentation set from CCO at:
Service & Support: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 11.3
You can reach the Cisco IOS documentation set on the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 11.3
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Service and Support
For service and support for a product purchased directly from Cisco, use CCO.
For service and support for a product purchased from a reseller, contact the reseller. Resellers offer a wide variety of Cisco service and support programs, which are described in the section "Service and Support" in the information packet shipped with your product.
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Software Configuration Tips on the Cisco TAC Home Page
The following URL contains links to access helpful tips on configuring your Cisco products:
http://www.cisco.com/public/serv_tips.shtml
This URL is subject to change without notice. If it changes, point your web browser to http://www.cisco.com/, and follow this path: Software & Support, Technical Support, Technical Tips.
The following sections are provided from the Technical Tips page:
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Cisco Connection Online
Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.
Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.
CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.
You can access CCO in the following ways:
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For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.
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Documentation CD-ROM
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more current than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.
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