Cisco IOS Software Releases 12.0 S

Cisco Announces End of Support Dates for Cisco IOS Software® Release 12.0(32)SY9 on the Cisco 12000 Series Router

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Product Bulletin No. 554132

Updated: July, 2009


Cisco Systems ® announces the end-of-support dates for Cisco IOS ® Software Release 12.0(32)SY9. This announcement applies only to maintenance rebuilds of Release 12.0(32)SY9 but does not apply to Release 12.0(32)SY train. Maintenance rebuilds of Release 12.0(32)SY9 are identified by a lower case letter suffix. For example, the 1st rebuild will be numbered 12.0(32)SY9a.
Cisco IOS Software Release 12.0(32)SY9 will only provide bug fix support until September 30, 2010. After this date, Cisco Engineering will no longer repair or maintain Release 12.0(32)SY9. No new features will be delivered from this branch.

Software Migration Options

September 30, 2010 marks the end of engineering, maintenance rebuilds, and software fixes through rebuilds of Release 12.0(32)SY9. Maintenance rebuilds and software fix support after September 30 2010 will be provided only through migration to a later supported release of 12.0(32)SY or Release 12.0(33)S. Cisco IOS XR is also supported on the Cisco 12000 Series router. For more information please visit

Note: 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 Software Advisor and Cisco Feature Navigator to verify critical functionality on required hardware.

For More Information

Cisco hardware end-of-sale and end-of-life announcements are available at:
Contact your Cisco account team or for additional questions and support.