Cisco IOS Software Releases 12.3 Special and Early Deployments

Cisco IOS Software Release 12.3(8)XY

Document ID: 62664

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Description of the Release

Cisco IOS® Software Release 12.3(8)XY is an ED release (XED) optimized for the Catalyst 6000 and 7600 Communication Media Module (CMM). This release is based upon the newer Cisco IOS Software Release 12.3(9.3)T. This general release is intended to address business opportunities with new features such as Simple Network Management Protocol (SNMP), Multilevel Precedence and Preemption (MLPP), Malicious Call Identification (MCID), Q.SIG 2, RFC2833, hardware Media Termination Point (MTP), and native T.38 Fax Relay. Any early deployment (ED) release of software should be used in a test network before it is deployed in a production network.

Product and Feature Support

Cisco IOS Software Release 12.3(8)XY supports these platforms:

Product/Feature Image Name Memory  Requirements


Catalyst 6000-CMM

wscmm-i6s-mz See Release Notes

Note: Cisco IOS Software Release 12.3(8)XY will be obsolete in six months when the official Cisco IOS Software Mainline Release 12.3(PI6)T becomes available.

Support Pages

For more information, consult these web pages:

Release Documentation

Parent Release Documentation

Other Links

Target Market

Cisco Systems, Inc. released Cisco IOS Software Release 12.3(8)XY as a short-lived early deployment (ED) release for the Cisco Catalyst 6000 and 7600 platforms. It is targeted for the Service Provider market.

Lifecycle of Release

Cisco IOS Software Release Reference Guide

Milestones Y2K Compliance Release Designation
CCO FCS: July 26, 2004

MFG FCS: August 2, 2004




Yes XED Release

Maintenance Releases

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
Cisco IOS Software Release 12.3(8)XY - No maintenance plans for an X release.

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Important Notes: N/A

Interim Builds

Short-lived X releases do not provide interim builds.

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Recommended Customer Migration Path

To view the projected release date of Cisco IOS Software Release 12.3(8)XY, see the Projected Release Dates for Cisco IOS Software Release Product Bulletin.

Updated: Sep 29, 2004 Document ID: 62664