Cisco IOS 15.4M&T - Retirement Notification

The Cisco IOS 15.4M&T has been retired and is no longer supported.

• End-of-Sale Date: 2017-03-01

• End-of-Support Date: 2022-02-28

• Cisco's End-of-Life Policy

You can view a listing of available Networking Software (IOS & NX-OS) offerings that best meet your specific needs

If you want support information for the Cisco IOS 15.4M&T documentation, it may be available through Cisco.com Search or in the Cisco Community