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Cisco IOS Software Releases 11.3

Cisco IOS Software Release 11.3T

Document ID: 20272


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Early Deployment (ED) Release Summary



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Description

Cisco IOS® Software Release 11.3T was released in December 1997 as a Cisco IOS Software Release ED train. Cisco introduced the notion of Cisco IOS Software Release ED as a vehicle to quickly bring features and new hardware to the marketplace. In addition to bug fixes, each subsequent maintenance release of Cisco IOS Software Release 11.3T introduces new Cisco IOS functionality and/or support for newer Cisco hardware. By virtue of this constant addition to the code base, Cisco IOS Software Release 11.3T may not meet the high stability requirement of some Enterprise customers. However, Cisco IOS Software Release 11.3T is substantially richer in features than its parent, Cisco IOS 11.3M.

In order to allow for migration and transition of features and hardware to the next major release (Cisco IOS Software Release 12.0), functionality additions stopped at Cisco IOS 11.3(4)T. Maintenance releases thereafter have only integrated bug fixes, as this Technology release train changes its focus to seek stability and a quality level similar to that of its parent, Cisco IOS Software Release 11.3M. For more information, see the following pages:

Target Market

Cisco Systems, Inc. released Cisco IOS Software Release 11.3T for all active platforms and targets early adapters.

Product Support

The Cisco IOS Software main releases support all active Cisco shipping products.

Related Cisco IOS Releases

The early deployment releases based on Cisco IOS Software Release 11.3 regularly synchronize with it to catch base code bug fixes. For more information, see the Cisco IOS Software Release 11.3 page.

Product/Feature Integration

No new products or features were added to the maintenance releases of Cisco IOS Software Release 11.3. For more information, see the following pages:

Maintenance Releases

This is a time-based maintenance release. Cisco IOS Software Release 11.3T is the 7-week maintenance release model. Each maintenance release is synchronized to Cisco IOS Software Release 11.3M to capture bug fixes committed to the base code. An interim build is executed once a week.

Interim Builds

Interim builds are not recommended and are not fully tested. Customers will only be provided with interim builds when a critical defect renders the maintenance release unusable. [an error occurred while processing this directive]

7-week maintenance cycle: Cisco IOS Software Release 11.3T uses a 7-week release model. A maintenance release is delivered once every seven weeks. An interim build is executed once a week.
13-week maintenance cycle: Not applicable

Maintenance Release Synchronization Points

Not applicable. For more information, see the Projected Release Dates for Cisco IOS Software Product Bulletin.

Recommended Migration

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If currently using Cisco IOS Software Release 11.3, the recommended upgrade path is Cisco IOS 12.0 or 12.0T. If currently using Cisco IOS Software Release 11.3T, the recommended upgrade path is Cisco IOS 12.0 or 12.0T.

The migration path is the logical supeseding 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 11.3T is Y2K compliant.

General Deployment (GD) Plan

Cisco IOS Software Release 11.3T will not achieve GD status. [an error occurred while processing this directive]

Life Cycle

The Cisco IOS Software Release 11.3T train is a short-term release which will reach end of engineering (EOE) in April 1999 at Cisco IOS 11.3(9)T. For more information, see the Cisco IOS Software Release Dates and Milestones Product Bulletin.

Comments

For more information, see the following pages:

Support Pages:

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Updated: Feb 06, 2003 Document ID: 20272