Authentication on the basis of circuit id and not mac address

Alan DeKok aland at
Mon Mar 10 13:33:25 CET 2014

Mahima Kumar wrote:
> I have used an Alcatel router as relay agent which gives the circuit id
> and i can see that in the radius debug output, so the client is getting
> authenticated on the basis of mac address and is getting the ip address
> from the Dhcp server , now i want to authenticate the client based on
> the circuit id provided by the relay agent in between,

  First, does the circuit ID show up in a RADIUS packet?  If so, what
attribute is it?

> but the radius
> server doesn't accept username as circuit id, it only authenticates
> based on mac address of the client(i tried changing the users file), so
> can anyone please guide me as to what changes i have to make for this to
> be possible. 

  I'm not sure what you're trying to do, so I don't have a good answer
for you.

  What does debug output say?  What do you think it *should* say?

  Alan DeKok.

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