Cisco IOS Software Releases 12.1 Mainline

End-of-Sale and End-of-Life Announcement for Release 12.1

Table Of Contents

End-of-Sale and End-of-Life Announcement for the Cisco IOS Software Release 12.1

Product Migration Options

Additional Information

For More Information

Product Bulletin, No. 2370

End-of-Sale and End-of-Life Announcement for the Cisco IOS Software Release 12.1

Cisco Systems announces the end of life of the Cisco IOS® Software Major Release 12.1. This announcement applies to all releases in the Major Release12.1 family, but does notapply to Release 12.1E. The last day to order the Cisco IOS Software Release 12.1 isJune12, 2004. Maintenance releases and software fixes will no longer be available via Release 12.1 as of February 12, 2005. Software defects found in this release are addressed by migrating to Cisco IOS Software Release 12.2 or later releases. Customers under maintenance contract will continue to receive support from the Cisco Technical Assistance Center (TAC) until June 12, 2009. Table 1 describes the end-of-life milestones, definitions, and dates for this release.

Table 1End-of-Life Milestones and Dates for Cisco IOS Software Release 12.1


End-of-life announcement date

The date the document that announces theend of sale and end of life of a product isdistributed to the general public.

December 12, 2003

End-of-sale date

The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date.

June 12, 2004

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.

February 12, 2005

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, andthe product becomes obsolete.

June 12, 2009

Table 2  Releases Affected by This Announcement

End-of-sales Cisco IOS Software Release Numbers
Product Description

12.1.21 (GD)

12.1.20 (GD)

12.1.19 (GD)

12.1.18 (GD)

12.1.17 (GD)

12.1.16 (GD)

12.1.15 (GD)

12.1.14 (GD)

12.1.13a (GD)

12.1.13 (GD)















The listed Cisco IOS Software Release numbers are a representation of maintenance releases derived from 12.1. All Release 12.1 maintenance releases, including those not listed, are included in this End of Sale/End ofEngineering/End of Life announcement.

Product Migration Options

Customers are encouraged to migrate to Cisco IOS Software Releases 12.2 and 12.3, which deliver the functionality from Release 12.1, in addition to new features and bug fixes. When upgrading to a more recent release, certain software images may not be available, hardware or may not be supported, or there may be changes to memory requirements. Always consult the Cisco IOS Software Upgrade Planner and Cisco Feature Navigator to verify critical functionality on required platforms. For further information, please visit:

Cisco IOS Software Upgrade Planner:

Cisco Feature Navigator:

Cisco Software Advisor:

Cisco IOS Software Releases:

Additional Information

SMARTnet Maintenance: Cisco customers with current SMARTnet Onsite or SMARTnet contracts can upgrade to the latest version ofCisco IOS Software as part of their service contracts. For further information on upgrade service or SMARTnet, please consult your Cisco sales representative or visit the SMARTnet web page: ps2978/serv_home.html

Cisco Bug Toolkit: For defect and fixed information about a specific software issue, please visit:

For More Information

Please visit:

For more information about Cisco products, please contact your Cisco account manager and/or Cisco Channel Partner.

For more information about the Cisco End-of-Life Policy, go to:

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