This product bulletin describes the bug fixes and feature support and migration paths for the Cisco IOS® Software for the Cisco® 10000 Series routers.
New features have been introduced for the Cisco 10000 Series routers through several short-lived Cisco IOS "X" releases. This document outlines the migration path for support for the features in each of these short-lived releases. This support or migration path is where customers will find future support for bug fixes and new features.
It is important to note that, effective December 31, 2004, Cisco will not rebuild the X releases listed in Table 1. Customers should prepare to upgrade using the listed migration path.
AFFECTED X RELEASES
The following table contains the list of Cisco IOS Software X releases for the Cisco 10000 Series routers, the planned final rebuild for that X release, and then the follow-on migration path where future support can be found.
Table 1. Cisco 10000 Series Router X Releases and Migration Paths
X Release
Planned Final Rebuild
Migration Path
12.0(23)SX
12.0(23)SX5
12.0(27)S or later
12.0(25)SX
12.0(25)SX9
12.0(27)S or later
12.2(2)BY
12.2(2)BY3
12.3(7)XI2 or later*
12.2(4)BZ
12.2(4)BZ2
12.3(7)XI2 or later*
12.2(13)BZ
12.2(13)BZ
12.3(7)XI2 or later*
12.2(15)BX
12.2(15)BX
12.3(7)XI2 or later
12.2(15)BZ
12.2(15)BZ2
12.3(7)XI2 or later*
12.2(16)BX
12.2(16)BX
12.3(7)XI2 or later
* Requires upgrading from PRE-1 to PRE-2
RELATED DOCUMENTATION
For more detailed information about the affected releases, please reference the following documents:
