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Cisco IOS Software Releases 12.0 Special and Early Deployments

Cisco IOS Software Release 12.0(4)XI

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Document ID: 20296


Early Deployment (ED) Release Summary

Description

 Cisco IOS® Software Release 12.0(4)XI is a short-lived ED release introducing support for several new platforms and features including:
  • The Cisco 1400 series router for Digital Subscriber Line (DSL) networks that connects small businesses and remote branch offices to the Internet or to larger, corporate networks.
  • The uBR 924 is a subscriber-end cablem cable access router that provides small-office/home office customers with IP data and voice service through a provider's fiber/coax network.
  • TelcoReturn and Enhanced Spectrum Management support on uBR 7200.
  • Resource Pooling Manger on the Cisco AS5200, AS5300, and AS5800. Resource pooling allows the user to maximize the use of available modems, terminal adaptors, or voice channels by using configurable Customer Profiles.
  • Introducing support for H.245 Coder Negotiation, G723.1 Codec, and dual tone multifrequency (DTMF) Digit Relay via RTP, and G.729 Bit Ordering Compliancy on the Cisco AS5300 platform.
For more information, see the following pages:

Target Market

 Cisco Systems, Inc. released Cisco IOS Software Release 12.0(4)XI as a short-lived ED release for the Cisco 1400, uBR920, uBR7200, AS5200, AS5300, and AS5800.

Product Support

 Cisco IOS Software Release 12.0(4)XI supports the following platforms:
  • Cisco 1400
  • Cisco AS5200
  • Cisco AS5300
  • Cisco AS5800
  • uBR920
  • uBR7200

Related Cisco IOS Releases

 The short-lived ED releases are based on Cisco IOS Software Release 12.0T and do not provide synchronized maintenances.

Product/Feature Integration

 Short-lived ED or X releases introduce specific features or new platforms to the market place prior to their integration into a major Cisco IOS Software technology release. Cisco IOS Software ED releases are based on Cisco IOS Software Release 12.0T. For more information, see the following pages:

Maintenance Releases

 Cisco IOS Software Release 12.0(4)XI is a short-lived release and does not provide maintenance releases. If needed, subsequent software rebuilds will use the following naming convention: Cisco IOS Software Release 12.0(4)XI1, 12.0(4)XI2, and so on.

Interim Builds

 Short-lived X releases do not provide 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.

Maintenance Release Synchronization Points

 Cisco IOS Software short-lived ED or X releases do not provide scheduled maintenace releases.

Pulled From Merging To
Cisco IOS Software Release 12.0(4)T Cisco IOS Software Release 12.0(5)T

For more information, see the Projected Release Dates for Cisco IOS Software Product Bulletin.

Recommended Migration

 Features of Cisco IOS Software Release 12.0(4)XI will be ported to Cisco IOS 12.0(5)T.

The migration path is the logical supesceding 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 Software Bulletin.

Year 2000 (Y2K) Compliant

 Cisco IOS Software Release 12.0(4)XI is Y2K compliant.

General Deployment (GD) Plan

 Cisco IOS Software Release 12.0(4)XI is not targeted for GD certification.

Life Cycle

 Cisco IOS Software Release 12.0(4)XI is an ED release offering new features, platforms, or interface support. It has a short engineering life span with a migration path to Cisco IOS Software Release 12.0(5)T.

Comments

 For more information, see the following pages:

Support Pages:

Updated: Feb 17, 2003 Document ID: 20296