NAS re-uses the same port and ID

Alan DeKok aland at
Wed Jul 13 11:01:19 CEST 2011

Konstantin Chekushin wrote:
> Hi all! I've found, that  our NAS-server sometimes (when it restarts and
> there are many auth. packets comes to the radius-server) re-uses port
> and ID in a < 1 second period. (information from tcpdump) That causes "
> conflicting packet from client".

  It's OK to re-use the same port && ID, *if* it's received a response
from the RADIUS server.

  But if the server says "conflicting packet", then the NAS is broken.

> I think, that the NAS works wrong (it
> must wait a little bit more, then 1 sec. to re-use the port+ID), that's
> why I wont to find some documentation about it for a bug-report.

  The NAS is broken.

  Alan DeKok.

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