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Cisco IOS Software Releases 12.3 Special and Early Deployments

Cisco IOS Software Release 12.3 Mainline

Document ID: 42940


Main Release Summary



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Description of the Release

Cisco IOS® Software Release 12.3 is a consolidation of the leading-edge technology and features released in the earlier 12.2T-train release and many of the 12.2x releases.

  • Cisco IOS Software 12.3, feature complete at the time of its creation.

  • Provides support of 908 features across 58 platforms, 588 images.

  • Cisco IOS Software12.3 images will post on CCO and available to customers on May 19, 2003.

The main goal of Cisco IOS Software Release 12.3 is to consolidate previously released Cisco IOS features and platforms into a highly stable software branch. This provides customers currently on Cisco IOS Early Deployment (ED) vehicles with an upgrade path which leads to a General Deployment (GD) candidate software.

Product and Feature Support

 
Cisco IOS Software Release 12.3 mainline will contain quality improvements only after release 12.3(1) and provides ongoing maintenance for release 12.2T.

Support Pages

For more information, consult the following web pages:

Release Documentation

Other Links

Target Market

General purpose - Enterprises

Lifecycle of Release

Cisco IOS Software Release Reference Guide

Milestones Y2K Compliance Release Designation
CCO FCS: May 19, 2003

MFG FCS: May 26, 2003

GD: Candidate

EOS: Forecast - 12 months from the next GD release

EOE: 1 year from EOS

EOL: 5 years from EOS

Yes LD Release

Maintenance Releases

Cisco IOS Software Release 12.3 will provide maintenance releases.

Maintenance Cycle Defects Resolved Download Image
12 weeks

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Interim Builds

Weekly interim builds will be made available to development and TAC for critical customers.

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Recommended Customer Migration Path

Cisco IOS Software Release 12.2T will merge to Cisco IOS Software Release 12.3.

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Related Cisco IOS Releases

  • Cisco IOS Software Release 12.3 is based on Cisco IOS Software Release 12.2T. 12.3 contains all features and functionality of 12.2T.

  • Cisco IOS Software Release 12.3 last synched from 12.2(16.5)T.

  • 12.3 mainline will only integrate bug fixes to provide a stable release from 12.2T.



Updated: May 21, 2003 Document ID: 42940