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Release Notes for Catalyst GigaStack Gigabit Interface Converter (May 2001)

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Release Notes for Catalyst GigaStack Gigabit Interface Converter

Table Of Contents

Release Notes for Catalyst GigaStack Gigabit Interface Converter

Contents

New and Changed Information

New Hardware Support in Release 12.1(4)EA1

New Software Features in Release 12.1(4)EA1 or Later

New Software Features in Release 12.0(5)XU or Later

Important Note

Caveats

Related Documentation

Obtaining Documentation

World Wide Web

Documentation CD-ROM

Ordering Documentation

Documentation Feedback

Obtaining Technical Assistance

Cisco.com

Technical Assistance Center

Contacting TAC by Using the Cisco TAC Website

Contacting TAC by Telephone


Release Notes for Catalyst GigaStack Gigabit Interface Converter


May 21, 2001

These release notes describe limitations, restrictions, and caveats that apply to the GigaStack Gigabit Interface Converter (GBIC) supported by IOS Release 12.0(5)XU or later for Catalyst 2900 series XL and 3500 series XL switches and by IOS Release 12.1(4)EA1 or later for Catalyst 3550 switches. For the complete list of GigaStack GBIC documentation, see the "Related Documentation" section.

Contents

These release notes contain the following topics:

"New and Changed Information" section

"Important Note" section

"Caveats" section

"Related Documentation" section

"Obtaining Documentation" section

"Obtaining Technical Assistance" section

New and Changed Information

This section describes the new and changed information for the GigaStack GBIC.

"New Hardware Support in Release 12.1(4)EA1" section

"New Software Features in Release 12.1(4)EA1 or Later" section

"New Software Features in Release 12.0(5)XU or Later" section

New Hardware Support in Release 12.1(4)EA1

The Catalyst 3550 switches support the GigaStack GBIC.

New Software Features in Release 12.1(4)EA1 or Later

For Catalyst 3550 switches running Release 12.1(4)EA1 or later, redundant loop configurations are supported in a cascaded stack of GigaStack GBIC ports in which all the ports are in the same stack.

For more information about the support and function of redundant loop configurations, refer to the Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide. For software upgrade procedures, refer to the Release Notes for the Catalyst 3550 Multilayer Switch, Cisco IOS Release 12.1(4)EA1.

New Software Features in Release 12.0(5)XU or Later

For Catalyst 2900 XL and 3500 XL switches running Release 12.0(5)XU or later, redundant loop configurations are supported in a cascaded stack of GigaStack GBIC ports in which all the ports are in the same stack.

For more information about the support and function of redundant loop configurations, refer to the Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide. For software upgrade procedures, refer to the Release Notes for the Catalyst 2900 Series XL and 3500 Series XL, Cisco IOS Release 12.0(5)XU or later.

Important Note

Upgrade all the switches in a series to the same software version; otherwise, the loop-breaking algorithm might never resolve itself. For example, if the stack includes only Catalyst 2900 series XL and 3500 series XL switches, they must run Release 12.0(5)XU or later. If the stack includes a mixture of Catalyst 2900 series XL, 3500 series XL, and 3550 switches, all the 2900 XL and 3500 XL switches must run Release 12.0(5)XW or later, and all the Catalyst 3550 switches must run Release 12.1(4)EA1 or later.

Caveats

For the Catalyst 2900 XL and 3500 XL software caveats, refer to the Release Notes for the Catalyst 2900 Series XL and 3500 Series XL, Cisco IOS Release 12.0(5)XU or later.

For the Catalyst 3550 multilayer switch software caveats, refer to the Release Notes for the Catalyst 3550 Multilayer Switch, Cisco IOS Release 12.1(4)EA1 or later.

Related Documentation

The product documentation for the GigaStack GBIC and supporting switches is as follows:

Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide

Catalyst 2900 Series XL Hardware Installation Guide

Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide (previously titled Cisco IOS Desktop Switching Software Configuration Guide)

Catalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference (previously titled Cisco IOS Desktop Switching Command Reference)

Catalyst 3500 Series XL Hardware Installation Guide

Catalyst 3550 Multilayer Switch Hardware Installation Guide

Catalyst 3550 Multilayer Switch Software Configuration Guide

Catalyst 3550 Multilayer Switch Command Reference

Catalyst 3550 Multilayer Switch System Message Guide

Release Notes for the Catalyst 2900 Series XL and 3500 Series XL, Cisco IOS Release 12.0(5.1)WC(1) or later

Release Notes for the Catalyst 3550 Multilayer Switch, Cisco IOS Release 12.1(4)EA1 or later

Obtaining Documentation

The following sections provide sources for obtaining documentation from Cisco Systems.

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at the following sites:

http://www.cisco.com

http://www-china.cisco.com

http://www-europe.cisco.com

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 product 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.

To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:

Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website.

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/

If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users 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.