Cisco announces the end-of-sale and end-of life dates for the Cisco® IOS Software Release 12.4(15)T. The last day to order the affected product(s) is January 12, 2011. Table 1 describes the end-of-life milestones, definitions, and dates for the affected product(s). Table 2 lists the product part numbers affected by this announcement. For customers with active and paid service and support contracts, support will be available until the termination date of the contract, even if this date exceeds the Last Date of Support shown in Table 1. This announcement is limited to the IOS release listed, and subsequent IOS releases continue to be available and supported until further notice.
Table 1. End-of-Life Milestones and Dates for the Cisco IOS Software Release 12.4(15)T
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.
January 12, 2010
The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date.
January 12, 2011
Last Ship Date:
The last-possible ship date that can be requested of Cisco and/or its contract manufacturers. Actual ship date is dependent on lead time.
January 12, 2011
End of SW Maintenance Releases Date:
The last date that Cisco Engineering may release any final software maintenance releases or bug fixes for Release 12.4(15)T. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software. Refer to the Product Migration Options section below for more details on software migration path.
January 12, 2012
End of SW Maintenance Releases Date through migration:
The last date that Cisco Engineering may release any final software maintenance releases or software fixes. Engineering maintenance rebuilds and software-fix support will be provided through later supported releases. Refer to the Product Migration Options section below for more details on software migration path.
January 12, 2013
End of Vulnerability/Security Support:
The last date that Cisco Engineering may release a planned maintenance release or scheduled software remedy for a security vulnerability issue. All software maintenance and/or bug fixes will be provided through later supported software releases.
January 12, 2014
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.
January 31, 2016
HW = Hardware OS SW = Operating System Software App. SW = Application Software
Table 2. Product Part Numbers Affected by This Announcement
End-of-Sale IOS Software Release Version
Replacement Product Part Number
The listed Cisco IOS Software Release version is a representation of releases derived from Release 12.4(15)T. All releases and rebuilds are included in this end-of-sale and end-of-life announcement.
See the Product Migration Options section below for detailed information on replacing this product.
Product Migration Options
Customers are strongly encouraged to migrate to Cisco IOS Software Release 15.0(1)M where possible.
Cisco IOS Software Release 12.4(15)T is the last software release to support specific Cisco hardware platforms. Release 15.0(1)M does not support these Cisco hardware platforms. See the list below for the affected Cisco hardware platforms:
• Cisco SOHO 90 Series
• Cisco 831, 836, and 837 Series
• Cisco 850 Series
• Cisco 1701, 1711, 1712, 1721, 1751, 1751-V,and 1760 Series
• Cisco 2610XM-2611XM, 2620XM-2621XM, 2650XM-2651XM, and 2691 Series