[c-nsp] Tacacs+ problem in cisco 7507

[Rick Burts]

Perhaps the first thing to do is to check the logs on the
TACACS server. Is the server seeing the request? If the
server is seeing the request and is denying then there should
be a reason given in the log record.

There are a number of things that could cause this kind of
problem. You might check these:
- is there IP connectivity between the router and the TACACS
server?
- is it possible that the TACACS requests are being filtered
out by some access list or firewall on the path to the server?
- is it possible that the shared key between the router and the
server is not correct?
- does the server have the correct configuration for the router
as a client?
- is the router sourcing the request from the address that the
server is expecting?

HTH

Rick

On 11/14/2011 12:14 AM, Ambedkar wrote:
> Hi,
> I configured the tacacs+ in the cisco 7507. But when i am connecting and
> entering the USERNAME and PASSWORD, it says authentication failed.
> Other devices are working with the same configuration.
> I intentionally killed the tac_plus application, eventhough it is asking
> the USERNAME and PASSWORD.
>
> Please help me.
> bye.
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