Cisco 2960 switch will not recognize new TACACS+ commands

ciscocisco-iosswitchtacacs

I'm trying to add tacacs info to a switch. However, I'm unable to use the new tacacs commands, even though the switch tells me to.

WS-C2960-24PC-L – Version 15.0(2)SE5

switch(config)#tacacs-server host 10.1.1.1
Warning: The cli will be deprecated soon
'tacacs-server host 10.1.1.1'
Please move to 'tacacs server <name>' CLI

Ok, so I'll use it that way…

wtc2b1asw01(config)#tacacs server ABC
                          ^
% Invalid input detected at '^' marker.

Guess I can't.

Any ideas on what I'm missing?

Best Answer

sw-R2-3#show ver | i Software
Cisco IOS Software, C2960S Software (C2960S-UNIVERSALK9-M), Version 15.0(2)SE3, RELEASE SOFTWARE (fc1)
sw-R2-3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
sw-R2-3(config)#tacacs?
tacacs  tacacs-server  

sw-R2-3(config)#tacacs ?
  server  Server configuration

sw-R2-3(config)#tacacs server ?
  WORD  Name for the tacacs server configuration

sw-R2-3(config)#tacacs server foo 
sw-R2-3(config-server-tacacs)#

aaa new-model maybe?

[back story]
This is one of many of my Cisco peavs... When I was first starting out with IOS (back when IOS 10 was new), I sat down with the ~1000 page documentation on authentication configuration. After a day of "why the f*** doesn't any of this work", I got to page 958-ish, where, as a complete after thought, the authors finally mention, "and you have to enter aaa new-model to turn any of this on." I think I actually burned that handbook. (and was never allowed to go to NANOG, because I might "do something" to that author.) F'ing CCIEs!

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