The state of TACACS+

Javier Henderson javier at
Tue Dec 31 00:05:04 UTC 2013

On Dec 30, 2013, at 6:42 PM, Jimmy Hess <mysidia at> wrote:

> How do you feel about having to wait 30 seconds  between every command you enter to troubleshoot,  to fail to the second server,  if the TACACS or RADIUS  system is nonresponsive,  because the dumb router can't remember which TACACS servers are up and which ones are down,  and always tries the first one in the list first?      At least  RADIUS has the concept of a "dead timer" :)

Are you talking about Cisco routers? The default timeout value for TACACS+ is five seconds, so I’m not sure where you’re coming up with thirty seconds, unless you have seven servers listed on the router and the first six are dead/unreachable.


More information about the NANOG mailing list