The Cisco 5760 Wireless LAN Controller is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2017-04-14
End-of-Support Date: 2022-04-30
Cisco's End-of-Life Policy
You can view a listing of available Wireless LAN Controller offerings that best meet your specific needs
If you want support information for the Cisco 5760 Wireless LAN Controller documentation, it may be available through Cisco.com Search or in the Cisco Community