nanog mailing list archives

Re: The state of TACACS+


From: Javier Henderson <javier () kjsl org>
Date: Mon, 30 Dec 2013 19:05:04 -0500


On Dec 30, 2013, at 6:42 PM, Jimmy Hess <mysidia () gmail com> 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.

-jav



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