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Cisco IOS Software Releases 12.1 Special and Early Deployments

Cisco IOS Software Release 12.1(3)XL

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Document ID: 20315


Cisco IOS Software Release 12.1(3)XL

Description of the Release

 Cisco IOS® Software Release 12.1(3)XL is an ED release (XED) optimized for the Cisco ubr905 platform. This release is based upon the 12.1(3)T maintenance release.  This release introduces IOS support for the Cisco ubr905 platform.  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

 

 
 
 

Features

 The Cisco IOS Software Release 12.1(3)XL will support the following platforms: ubr905
 
Product/Feature Image name Memory 
Requirements
ubr905 support ubr925-k1k2o3sv4y5-mz
ubr925-k1k2sv4y5-mz
ubr925-k1o3sv4y556i-mz
ubr925-k1sv4y556i-mz		 See Release Notes
No new features are introduced in this release.  Only support for the new ubr905 platform is introduced.

NOTE:
The platforms delivered with this XED release will be immediately incorporated into Cisco IOS Software Release 12.2(1)T and subsequent Cisco IOS 12.2T releases. 

Support Pages

 

 
 
 
 

 For more information, consult the following web pages: 

Release Documentation

Parent Release Documentation Other Links

Target Market

 Cisco Systems, Inc. released Cisco IOS Software Release 12.1(3)XL as a short lived release for the Cisco ubr905 platform. It is targeted for the service provider market. 
Lifecycle of Release Cisco IOS Reference Guide
 
 
Milestones Y2K Compliance Release Designation
CCO FCS: 9/18/2000

MFG FCS: 10/16/2000

EOS: 

EOE:

EOL:

 Yes XED Release

Maintenance Releases

 CCO registered customers can view the Projected Release Dates for Cisco IOS Software 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
Cisco IOS Software Release 12.1(3)XL-
No maintenance plans for an X release.		  

Interim Builds

 Short-lived X releases do not provide interim builds. 

Recommended Customer Migration Path

 
To view the projected release date of IOS Software Releases see the Projected Release Dates for Cisco IOS Software Product Bulletin

Updated: Feb 18, 2003 Document ID: 20315