Guest

Cisco IOS Software Releases 12.0 Special and Early Deployments

Cisco IOS Software Release 12.0(5)XN

Document ID: 20301


Early Deployment (ED) Release Summary



[an error occurred while processing this directive] [an error occurred while processing this directive]

Description

Cisco IOS® Software Release 12.0(5)XN is a short-lived ED release introducing support for Systems Network Architecture (SNA) Switching Services. SNA Switching Services provide IBM Advanced Peer-to-Peer Networking (APPN) switching for traditional IBM 3270 sessions and distributed Advanced Program-to-Program Communications (APPC) including transaction routing to Customer Information Control Systems (CICSs) via the Cisco Transaction Connection (CTRC). The CTRC is a software gateway connecting TCP/IP clients directly to IBM host-resident CICS transactions and DB2 Application Requesters to host resident Application Servers. 

SNA Switching Services implement an APPN and High Performance Routing (HPR) End Node (EN) with a Dependent Logical Unit requester (DLUr), a Branch Extender (BrNN), and an Enterprise Extender (EE). 

For more information, see the following pages: 

Target Market

Cisco Systems, Inc. released Cisco IOS Software Release 12.0(5)XN as a short-lived ED release for Enterprise SNA customers.

Product Support

Cisco IOS Software Release 12.0(5)XN supports the following platforms: 
  • Cisco 2500 series 
  • Cisco 2600 series 
  • Cisco 3600 series 
  • Cisco 3800 series 
  • Cisco 4000 series 
  • Cisco 4700 series 
  • Catalyst 5000 RSM 
  • Cisco 7200 series 

Related Cisco IOS Releases

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

Product/Feature Integration

Short-lived ED or X releases introduce specific features or new platforms to the marketplace prior to their integration into a major Cisco IOS 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(5)XN is a short-lived release and does not provide maintenance releases. If needed, critical bug fixes will be provided in software rebuilds using the following naming convention: Cisco IOS Software Release 12.0(5)XN1, 12.0(5)XN2, and so on.

Interim Builds

Cisco IOS Software Release 12.0(5)XN will 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. [an error occurred while processing this directive]

Maintenance Release Synchronization Points

Cisco IOS short-lived ED or X releases do not provide scheduled maintenance releases. 
Pulled From Merging To
Cisco IOS Software Release 12.0(5)T Cisco IOS Software Release 12.1(1)

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

Recommended Migration

Features of Cisco IOS Software Release 12.0(5)XN will be ported to Cisco IOS 12.1(1). [an error occurred while processing this directive]

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 Software Bulletin.

Year 2000 (Y2K) Compliant

Cisco IOS Software Release 12.0(5)XN is Y2K compliant.

General Deployment (GD) Plan

Cisco IOS Software Release 12.0(5)XN is not targeted for GD certification.

Life Cycle

Cisco IOS Software Release 12.0(5)XN 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 12.1(1).

Comments

For more information, see the following pages: 

Support Pages:

[an error occurred while processing this directive]


Updated: Feb 17, 2003 Document ID: 20301