PPP DIAL / CAS / NAS Problem using AAA :(

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Sep 8th, 2007
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Hi All ,

I am facing a strange problem with PPP dial-up using AAA with tacacs for authentication. This setup is already working on 1 router but when i am configuring same setup on different router its not working . Pls find attached file for all details.

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lgijssel Sun, 09/09/2007 - 03:14
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Understanding that you are using the same adresses for the tacacs server, are you also using the same ip adress for the router?

I suppose that this is not the case but you are trying to add a second router to the network?

If so, looking at the logs, it could be that the second router has not been added as a NAS in your Tacacs server database. Hence Tacacs does not "trust" this 2nd host and refuses to authenticate for it.




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