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Cisco IOS Software Releases 12.1 Special and Early Deployments

Cisco IOS Software Release 12.1(5)XR

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Document ID: 20322


 

Description of the Release

 		 Cisco IOS® Software Release 12.1(5)XR is an ED release (XED) optimized for the IAD2420. This release is based upon the 12.1(5)T maintenance release.  This release introduces IOS support for the Cisco IAD2400 Series Business Class Integrated Access Device. Any early deployment (XED) 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(5)XR will support the following platforms: 
 
Product/Feature Image name Memory 
Requirements
Cisco IAD 2420  c2420-a2i8sv5-mz
See Release Note

Feature Description

Cisco IOS Software Release 12.1(5)XR is an XED release optimized for the Cisco IAD2400 Series Business Class Integrated Access Device.  It is the first release in which this platform is supported. 

Note:
The features delivered with this XED release will be immediately incorporated into Cisco IOS Software Release 12.2(2)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(5)XR as a short lived release for the Cisco IAD 2420.
The target market for this release is the Competitive Local Exchange Carrier. 

Lifecycle of Release

 Cisco IOS Reference Guide
 
Milestones Y2K Compliance Release Designation
CCO FCS: December 1, 2000

MFG FCS: December 15, 2000

EOS: 

EOE:

EOL:

 Yes XED Release
Maintenance Releases Customers can view the Projected Release Dates for Cisco IOS X-Release 12.1(5)XR

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
No maintenance plans for an X release. This platform will also FCS in 12.2(2)T.  
Interim Builds Short-lived X releases do not provide interim builds. 

Recommended Customer Migration Path

 
To view the projected release date of 12.1(5)XR see Projected Release Dates for Cisco IOS Software Product Bulletin

Updated: Feb 18, 2003 Document ID: 20322