Cisco IOS Software Release 12.1(1)XA

Document ID: 20307

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Early Deployment (ED) Release Summary

Description of the Release

Cisco IOS® Software Release 12.1(1)XA is an ED release. This release delivers the Cisco MC3810 Mulitservice Access Concentrator. Any ED release of software should be used in a test network before being deployed in a production network.

The platform support delivered with this ED release will be immediately incorporated into Cisco IOS Software Release 12.1(2)T and subsequent Cisco IOS 12.1T releases. As such, maintenance for both of these platforms should be obtained from the Cisco IOS Software Release 12.1T.

Product Support

Major Features

Platforms/Images

Memory Requirements

Cisco MC3810/Voice over AAL2

Cisco MC3810

mc3810-a2jsv5-mz

16 MB Flash Memory
64 MB DRAM Memory

Based On

Ported Into

Synchronization Points with Major Releases

Cisco IOS Software Release 12.1(1)T

Cisco IOS Software Release 12.1(2)T

Release Type

Cisco IOS Software Release 12.1(1)XA is an X Early Deployment Release. X Early Deployment Releases (XED) as a group are based on Major Releases of Cisco IOS Software. ED Releases are a vehicle to quickly deliver new functionality, addressing the need for early availability of products. These Releases provide new technologies for customers to deploy in a limited manner in their networks. Cisco IOS Software Release 12.1(1)XA is a one-time release.

Target Market

Cisco IOS Software Release 12.1(1)XA is for use by Network Service Providers

Maintenance Releases

An XED Release indicates that the release is one-time only, and maintenance for the release will come from the release on which the "X" release is based. For Cisco IOS Software Release 12.1(1)XA the maintenance release would be 12.1(2)T.

Projected Release Dates for Cisco IOS Software

Interim Builds

Cisco IOS Software Release 12.1(1)XA does not provide interim builds, but they may provide rebuilds to address catastrophic defects as they arise. Rebuilds of this release will come in the form of 12.1(1)XA1,2,3 etc ...

Recommended Customer Migration Path

Customer Upgrade From

Customer Upgrade to

New release

Cisco IOS Software Release 12.1(2)T

The recommended migration path is the logical superseding release, which brings additional features and hardware support to the network without loss of previously configured functionality.