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Cisco IOS Software Releases 12.1 Special and Early Deployments

Cisco IOS Software Release 12.1(8a)EW

Document ID: 18936




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Description of the Release

Cisco IOS® Software Release 12.1(8a)EW is an ED release (XED) optimized for the Catalyst 4000 platform. This release is based upon the 12.1(8a)E maintenance release. This release introduces Layer 3 forwarding and advanced QoS and security features. Any early deployment (ED) release of software should be used in a test network before being deployed in a production network.

Product and Feature Support

 
The Cisco IOS Software Release 12.1(8a)EW  will support the following platforms:

Product/Feature Image Name Memory  Requirements
Catalyst 4000 cat4000-is-mz See Release Notes

Feature Description
Cisco IOS Software Release 12.1(8a)EW is an XED optimized for the Supervisor III,  a new high end member of the Catalyst 4000 product family. The system is based on the K2 chip set and introduces Layer 3 forwarding and advanced QoS and security features to the product family. The switching platform is targeted at the wiring closet, distribution layer, and data center. The initial focus, however, targets the existing Catalyst 4000 installed base which consists primarily of wiring closet systems.

Note: The features delivered with this XED release will be immediately incorporated into Cisco IOS XED Software Release 12.1(10)EW. 

Support Pages

For more information, consult the following web pages:

Release Documentation

Other Links

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Target Market

Cisco Systems, Inc. released Cisco IOS 12.1(8a)EW as a short-lived release for the Cisco Catalyst 4000 platform. It is targeted for the enterprise market.

Lifecycle of Release

Cisco IOS Software Release Reference Guide

Milestones Y2K Compliance Release Designation
CCO FCS: January 28, 2002

MFG FCS: February 4, 2002

EOS: Forecast when migration path is available

EOE: Forecast when migration path is available

EOL: X Release

Yes XED Release

Maintenance Releases

CCO registered customers can view the Projected Release Dates for Cisco IOS Software Release Product Bulletin.

It is highly recommended that Release Notes are used to determine if a maintenance release should be used. Release Notes provide announcements of new features and a summary of known caveats at the time of the renumber.

Maintenance Cycle Download Image
12.1(8a)EW -
No maintenance plans for an X release (XED). [an error occurred while processing this directive]

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Important Notes: N/A

Interim Builds

Short-lived X releases do not provide interim builds. [an error occurred while processing this directive]

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Recommended Customer Migration Path

Cisco IOS Software Release 12.1(8a)EW is an XED release that will receive maintenance fixes in Cisco IOS Software Release 12.1(1)EW which is forecasted to release in April 2002.

To view the projected release date of the Cisco IOS Software Release 12.1(8a)EW, see the Projected Release Dates for Cisco IOS Software Release Product Bulletin.

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Updated: Aug 06, 2002 Document ID: 18936