Table Of Contents
Release Notes for Cisco 3200 Series Mobile Access Routers for Cisco IOS Release 12.3(7)XS2
Determining the Software Version
Upgrading to a New Software Release
New Software Features in Cisco IOS Release 12.3(7)XS2
New Software Features in Cisco IOS Release 12.3(7)XS
Open Caveats - Release 12.3(7)XS2
Resolved Caveats - Release 12.3(7)XS2
Open Caveats - Release 12.3(7)XS1
Resolved Caveats - Release 12.3(7)XS1
Open Caveats - Release 12.3(7)XS
Resolved Caveats - Release 12.3(7)XS
Cisco IOS Software Documentation Set
Cisco IOS Release 12.3 Documentation Set Contents
Obtaining Technical Assistance
Cisco Technical Support Website
Definitions of Service Request Severity
Obtaining Additional Publications and Information
Release Notes for Cisco 3200 Series Mobile Access Routers for Cisco IOS Release 12.3(7)XS2
Updated January 26, 2005
Contents
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Obtaining Technical Assistance
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System Requirements
This section describes the system requirements for Cisco IOS Release 12.3(7)XS2 and includes the following sections:
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Memory Requirements
Table 1 describes the memory requirements for Cisco IOS feature sets supported by Cisco IOS Release 12.3(7)XS2 on Cisco 3200 series routers.
Hardware Supported
Cisco IOS Release 12.3(7)XS2 supports the Cisco 3200 Series Mobile Access Router.
For descriptions of existing hardware features and supported modules, see the configuration guides and additional documents specific to the Cisco 3200 Series Mobile Access Router, which are available on Cisco.com at the following location:
http://www.cisco.com/univercd/cc/td/doc/product/access/mar_3200/index.htm
This URL is subject to change without notice. If it changes, point your web browser to Cisco.com, and click the following path:
Technical Documentation: Access Servers & Routers: Mobile Access Router
Determining the Software Version
To determine which version of Cisco IOS software is currently running on your Cisco 3200 series router, log in to the router and enter the show version EXEC command. The following sample output from the show version command indicates the version number.
router> show versionCisco Internetwork Operating System SoftwareIOS (tm) 3200 Software (c3200-adventerprisek9-mz), Version 12.3(7)XS2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)Synched to technology version 12.3(7.11)TUpgrading to a New Software Release
For general information about upgrading to a new software release, see the Software Installation and Upgrade Procedures located at http://www.cisco.com/warp/public/130/upgrade_index.shtml.
Feature Set Tables
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. Release 12.3(7)XS2 includes new features supported by the Cisco 3200 Series Mobile Access Router.
Caution
Table 2 lists the features and feature sets supported in Release 12.3(7)XS.
The table uses the following conventions:
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New and Changed Information
The following sections list the new software features supported by the Cisco 3200 Series Mobile Access Router for Cisco IOS Release 12.3(7)XS2.
New Software Features in Cisco IOS Release 12.3(7)XS2
Cisco IOS Release 12.3(7)XS2 supports the same software features that are supported in Cisco IOS Release 12.3(7)XS.
New Software Features in Cisco IOS Release 12.3(7)XS
The following section describes the new software feature supported by the Cisco 3200 Series Mobile Access Router for Cisco IOS Release 12.3(7)XS.
Class Based Traffic Shaping Along with Hierarchical Policy Maps Support on Cisco 3200 MAR FESMIC Interfaces
The Class Based Traffic Shaping Along with Hierarchical Policy Maps Support on Cisco 3200 Mobile Access Router (MAR) Fast Ethernet Switch Mobile Interface Card (FESMIC) Interfaces feature adds Class Based Traffic Shaping along with hierarchical policy maps support on the Cisco 3200 MAR FESMIC virtual (VLAN) interfaces.
For more details, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt4/qcfcbshp.htm
Caveats
Caveats describe unexpected behavior or defects in Cisco IOS software releases. Severity 1 caveats are the most serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these three severity levels.
Caveats in Cisco IOS Release 12.3(7)T are also in Release 12.3(7)XS1. For information on caveats in Cisco IOS Release 12.3(7)T, see the Caveats for Cisco IOS Release 12.3(7)T document. This document lists severity 1 and 2 caveats; the document is located on Cisco.com.
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Open Caveats - Release 12.3(7)XS2
There are no open caveats specific to Cisco IOS Release 12.3(7)XS2 that require documentation in the release notes.
Resolved Caveats - Release 12.3(7)XS2
All the caveats listed in this section are resolved in Cisco IOS Release 12.3(7)XS2.
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A Cisco device running Cisco IOS and enabled for the Border Gateway Protocol (BGP) is vulnerable to a Denial of Service (DoS) attack from a malformed BGP packet. Only devices with the command `bgp log-neighbor-changes' configured are vulnerable. The BGP protocol is not enabled by default, and must be configured in order to accept traffic from an explicitly defined peer. Unless the malicious traffic appears to be sourced from a configured, trusted peer, it would be difficult to inject a malformed packet.
If a misformed packet is received and queued up on the interface, this bug may also be triggered by other means which are not considered remotely exploitable such as the use of the command `show ip bgp neighbors' or running the command `debug ip bgp <neighbor> updates' for a configured bgp neighbor.
Cisco has made free software available to address this problem.
For more details, please refer to this advisory, available at http://www.cisco.com/warp/public/707/cisco-sa-20050126-bgp.shtml
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Unable to use Telnet.
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Cisco Internetwork Operating System (IOS) Software release trains 12.2T, 12.3 and 12.3T may contain vulnerabilities in processing certain Internet Key Exchange (IKE) Xauth messages when configured to be an Easy VPN Server.
Successful exploitation of these vulnerabilities may permit an unauthorized user to complete authentication and potentially access network resources.
This advisory will be posted to http://www.cisco.com/warp/public/707/cisco-sa-20050406-xauth.shtml
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A document that describes how the Internet Control Message Protocol (ICMP) could be used to perform a number of Denial of Service (DoS) attacks against the Transmission Control Protocol (TCP) has been made publicly available. This document has been published through the Internet Engineering Task Force (IETF) Internet Draft process, and is entitled "ICMP Attacks Against TCP" (draft-gont-tcpm-icmp-attacks-03.txt).
These attacks, which only affect sessions terminating or originating on a device itself, can be of three types:
1. Attacks that use ICMP "hard" error messages
2. Attacks that use ICMP "fragmentation needed and Don't Fragment (DF) bit set" messages, also known as Path Maximum Transmission Unit Discovery (PMTUD) attacks
3. Attacks that use ICMP "source quench" messagesSuccessful attacks may cause connection resets or reduction of throughput in existing connections, depending on the attack type.
Multiple Cisco products are affected by the attacks described in this Internet draft.
Cisco has made free software available to address these vulnerabilities. In some cases there are workarounds available to mitigate the effects of the vulnerability.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20050412-icmp.shtml.
The disclosure of these vulnerabilities is being coordinated by the National Infrastructure Security Coordination Centre (NISCC), based in the United Kingdom. NISCC is working with multiple vendors whose products are potentially affected. Its posting can be found at: http://www.niscc.gov.uk/niscc/docs/re-20050412-00303.pdf?lang=en.
Open Caveats - Release 12.3(7)XS1
There are no open caveats specific to Cisco IOS Release 12.3(7)XS1 that require documentation in the release notes.
Resolved Caveats - Release 12.3(7)XS1
All the caveats listed in this section are resolved in Cisco IOS Release 12.3(7)XS1.
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Up to 12 seconds are needed for a ping to pass after roaming.
When roaming back and forth from one access point to another, it sometimes takes up to 12 seconds for download traffic for the workgroup bridge (WGB) client to resume. The access point shows that the WGB is associated, but traffic does not pass.
Restarting of the download traffic is delayed if there is no upload from the WGB client after the WGB associates itself with a new access point.
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Tracebacks occur while roaming when SNMP is configured.
Multiple tracebacks occur when roaming among root devices for over 5 days. The tracebacks occur if the mobile access router (MAR) receives SNMP Link Up/Link Down traps from the wireless mobile interface card (WMIC). Traffic continues to pass through the MAR.
Open Caveats - Release 12.3(7)XS
This section documents possible unexpected behavior by Cisco IOS Release 12.3(7)XS and describes only severity 1 and 2 caveats and select severity 3 caveats.
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The child QoS policy is incorrect when a new interface bandwidth value is set.
When a new bandwidth value is assigned using the bandwidth x command to a switched virtual interface (SVI) or Fast Ethernet interface configured with hierarchical policy maps, the child Quality of Service (QoS) policy map incorrectly shows the earlier allocated bandwidth value and the new value assigned does not get reflected in the child QoS policy-map.
Workaround
Remove the service policy from the interface and assign it back to the interface.
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Traceback occurs when the MAR configures an asynchronous interface.
The Cisco 3200 Series MAR unexpectedly gives tracebacks when configuring the dialer and asynchronous interfaces.
Workaround
There is no known workaround.
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Crash occurs on unconfiguring the asynchronous interface and entering configuration.
The Cisco 3200 MAR reloads unexpectedly when unconfiguring the asynchronous interface.
Workaround
There is no known workaround.
Resolved Caveats - Release 12.3(7)XS
There are no resolved caveats specific to Cisco IOS Release 12.3(7)XS that require documentation in the release notes.
Related Documentation
The following sections describe the documentation available for Cisco 3200 series routers. 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 http://www.cisco.com/univercd/home/index.htm.
Use these release notes with these documents:
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Release-Specific Documents
The following documents are specific to Cisco IOS Release 12.3 and are located on Cisco.com and http://www.cisco.com/univercd/home/index.htm:
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On Cisco.com at:
Products and Solutions: Cisco IOS Software: Cisco IOS Software Releases 12.3: Instructions and Guides: Release Notes
On http://www.cisco.com/univercd/home/index.htm at:
Cisco IOS Software: Cisco IOS Release 12.3: Release Notes: Cross-Platform Release Notes
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As a supplement to the caveats listed in these release notes, see Caveats for Cisco IOS Release 12.3 and Caveats for Cisco IOS Release 12.3T, which contain caveats applicable to all platforms for all maintenance releases of Cisco IOS Release 12.3 and Cisco IOS Release 12.3T.
On Cisco.com at:
Products & Services: IOS Software: Cisco IOS Software Releases 12.3: Instructions and Guides: Release Notes: Release Notes for Cisco IOS Release 12.3, Part 5: Caveats
On http://www.cisco.com/univercd/home/index.htm at:
Cisco IOS Software: Cisco IOS Release 12.3: Release Notes: Caveats
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Platform-Specific Documents
Documentation specific to the Cisco 3200 Series Mobile Access Router is available on Cisco.com and the Documentation CD at the following location:
http://www.cisco.com/univercd/cc/td/doc/product/access/mar_3200/index.htm
On Cisco.com at:
Products and Solutions: Routers: All Routers: Cisco 3200 Series Mobile Access Routers
On http://www.cisco.com/univercd/home/index.htm at:
Technical Documentation: Access Servers & Routers: Mobile Access Router
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 available online.
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:
Products and Solutions: Cisco IOS Software: Cisco IOS Releases 12.3: Instructions and Guides
On http://www.cisco.com/univercd/home/index.htm at:
Cisco IOS Software: Cisco IOS Release 12.3: Configuration Guides and Command References
Cisco IOS Release 12.3 Documentation Set Contents
Table 3 lists the contents of the Cisco IOS Release 12.3 software documentation set, which is available in electronic form and in printed form if ordered.
On Cisco.com at:
Products and Solutions: Cisco IOS Software: Cisco IOS Releases 12.3: Instructions and Guides
On http://www.cisco.com/univercd/home/index.htm at:
Cisco IOS Software: Cisco IOS Release 12.3
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
You can access international Cisco websites at this URL:
http://www.cisco.com/public/countries_languages.shtml
Ordering Documentation
You can find instructions for ordering documentation at this URL:
http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm
You can order Cisco documentation in these ways:
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http://www.cisco.com/en/US/partner/ordering/index.shtml
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Documentation Feedback
You can send comments about technical documentation to bug-doc@cisco.com.
You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:
Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
Obtaining Technical Assistance
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.
Cisco Technical Support Website
The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, 365 days a year, at this URL:
http://www.cisco.com/techsupport
Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:
http://tools.cisco.com/RPF/register/register.do
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Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:
http://www.cisco.com/techsupport/servicerequest
For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.
To open a service request by telephone, use one of the following numbers:
Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)
EMEA: +32 2 704 55 55
USA: 1 800 553-2447For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts
Definitions of Service Request Severity
To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.
Severity 1 (S1)—Your network is "down," or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online and printed sources.
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http://www.cisco.com/go/marketplace/
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http://cisco.com/univercd/cc/td/doc/pcat/
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http://www.cisco.com/go/iqmagazine
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http://www.cisco.com/en/US/learning/index.html
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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Copyright © 2005 Cisco Systems, Inc. All rights reserved.
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