® announces the end-of-sale and end-of-life dates for the Cisco IOS
® Software Release 12.3T. This announcement applies to all releases of 12.3T with the exception of 12.3.11T voice images which include IP Voice, SP Services, Advanced IP Services, and Advanced Enterprise Services and are not part of this End-of-Sale and End-of-Life Announcement. The last day to order the affected product is June 7, 2006. Maintenance rebuilds and software fixes will no longer be available via Release 12.3T as of June 7, 2007. Software defects found in this release are addressed by migrating to Cisco IOS Software Release 12.4, 12.4T, or later releases. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) until June 7, 2011.
Release 12.3.14T is the last release for Release 12.3T.
Table 1 describes the end-of-life milestones, definitions, and dates for the affected product. Table 2 lists the product part numbers affected by this announcement.
Table 1. End-of-Life Milestones and Dates for Cisco IOS Software Release 12.3T
End-of-life announcement date
The date the document that announces the end of sale and end of life of a product is distributed to the general public.
December 7, 2005
The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date.
June 7, 2006
End of software maintenance releases date
The last date that Cisco Engineering may release any final software maintenance releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software.
June 7, 2007
Last date of support
The last date to receive service and support for the product. After this date, all support services for the product are unavailable, and the product becomes obsolete.
June 7, 2011
Table 2. Product Part Numbers Affected by This Announcement
End-of-Sale Cisco IOS Software Release Versions
The listed Cisco IOS Software Release versions are a representation of releases derived from 12.3T. Additional 12.3T maintenance rebuilds will occur prior to end of software maintenance. All 12.3T releases and rebuilds are included in this End of Sale/ End of Engineering/ End of Life announcement with the exception of 12.3.(11)T voice images which include IP Voice, SP Services, SP Advanced IP Services, and Advanced Enterprise Services and are not part of this End-of-Sale and End-of-Life Announcement. Please see http://www.cisco.com/en/US/products/sw/voicesw/index.html for information about Cisco voice solutions and products images.
PRODUCT MIGRATION OPTIONS
Customers are encouraged to migrate to Cisco IOS Software Major Release 12.4, which inherits all 12.3T functionality, as well as additional fixes. All 12.3T functionality, additional fixes, and new technology introductions will be available via Cisco IOS Software Release 12.4T. When upgrading to a more recent release, certain software images may not be available, hardware may or may not be supported, or memory requirements may have changed. Always consult the Cisco IOS Software Upgrade Planner and Cisco Feature Navigator to verify critical functionality on required platforms. For more information, please visit:
* This announcement applies to all releases of 12.3T with the exception of 12.3.11T voice images which include IP Voice, SP Services, Advanced IP Services, and Advanced Enterprise Services and are not part of this End-of-Sale and End-of-Life Announcement.