Error: Ignoring request from unknown client IP:1645

Alan DeKok aland at
Mon Feb 12 13:35:48 CET 2007

Davide Molteni wrote:

> On the cisco I configured:
> radius-server host ipmyradius auth-port 1812 acct-port 1813
> and the other aaa commands needed
> If I look at the radius.log file I always see
> Error: Ignoring request from unknown client ipmycisco:1645

  Did you configure the server to have that IP in "clients.conf"?

> The Cisco router keeps always trying to connect to radius using port
> 1645 even if I specified to use 1812...

  That's a bug in the Cisco router.

> I have tried to configure radius
> server to listen on port 1645 but is the same. 

  Listening on port 1645 won't make the server believe that "ipmycisco"
is a known client.

> The microsoft radius integration(server 2003) worked at first try with
> this cisco config...

  Really.  Did you configure the Cisco box as a client in the MS RADIUS

  Alan DeKok.
--       - The web site of the book - The blog

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