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Cisco IOS Software Releases 12.1 Special and Early Deployments

Cisco IOS Software Release 12.1(1)EX

Document ID: 20338


Main Release Summary

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Description

Cisco IOS® Software Release 12.1(1)EX is a short-lived early delivery release based on the Cisco IOS 12.1E Specific Market Early Deployment (SMED).  It has been optimized to deliver features specific to the Catalyst 6000 series. The features of Cisco IOS Software Release 12.1(1)EX will be integrated into subsequent maintenance release of Cisco IOS 12.1E. 

In line with Cisco IOS X Release practices, Cisco IOS Software Release 12.1(1)EX does not provide maintenance builds. Software defect repairs and maintenance will be delivered on the migration path release, Cisco IOS Software Release 12.1E. 
Cisco IOS Software Release 12.1(1)EX is available on CCO as of February 28, 2000 and will be available through new hardware shipments on March 6, 2000.

For more details on 12.1(1)EX please view the following:

Target Market

Cisco IOS Software Release 12.1(1)EX is for use by Enterprises and Switched Networks.

Product Support

The Cisco IOS Software Release 12.1(1)EX supports the following Cisco platforms: 
 
Series Software Product Number
12.1(1)EX
Catalyst 6000 family MSFC router daughter card See Release Notes
Catalyst 6000 family FlexWan  See Release Notes
 

Related Cisco IOS Releases

Cisco IOS Software Release 12.1(1)EX is based on a pre-released version of 12.1E.   Cisco IOS Software Release 12.1E is based on Cisco IOS 12.1 mainline. 
Cisco IOS Software Release 12.1(1)EX was released introduce the Catalyst 6000 FlexWAN card.

Product/Feature Integration

Catalyst 6000 FlexWan Module WS-X6182-2.

Maintenance Releases

There will be no maintenance release for Cisco IOS XED 12.1(1)EX release.  Cisco IOS Software Release 12.1(1)EX will be obsolete once 12.1E is available. 

Interim Builds

Cisco IOS Software Release 12.1(1)EX will have no interim builds. 

Maintenance Release Synchronization Points

Cisco IOS BU ED 12.1(1)EX has been released before the parent 12.1E due to TTM requirements for the Catalyst 6000 FlexWan Module. This means that Cisco IOS Software Release 12.1(1)EX is not a superset of 12.1E but a subset previous to 12.1E.

Recommended Migration

From To
Cisco IOS Software Release 12.1(1)EX Cisco IOS Software Release 12.1(1)E
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The migration path is the logical superseding software. The uniqueness of each network requires that customers verify support for hardware, features, and protocols prior to a massive network upgrade. For more information, see the Projected Release Dates for Cisco IOS Software Product Bulletin

Year 2000 (Y2K) Compliant

Cisco IOS Software Release 12.1EX is Y2K Compliant.

General Deployment (GD) Plan

Cisco IOS Software Release 12.1EX is not targeted for GD certification. 

Life Cycle

Cisco IOS  XED 12.1(1)EX is an early delivery release that will be obsolete once Cisco IOS STED 12.1E is available. Cisco IOS Software Release 12.1E will follow the standard Cisco IOS lifecycle.

Comments

Cisco IOS XED 12.1(1)EX has been released before the parent 12.1E due to TTM requirements for the Catalyst 6000 FlexWan Module. This means that Cisco IOS Software Release 12.1(1)EX is not a superset of 12.1E but a subset previous to 12.1E. The router command "show version" will display the Cisco IOS banner which details the parent train.

For more information, see the following pages: 

Support Pages:


Updated: Feb 28, 2002 Document ID: 20338