destination unreachable (port unreachable)

Alan DeKok aland at deployingradius.com
Tue Nov 27 20:33:19 CET 2007


inl2goal wrote:
> FreeRadius was working perfectly with EAP/MD5 a few weeks ago here. But some
> providers came here to offer a NAC solution and messed with the network
> configuration.

  Isn't NAC great?

> Authentication stopped working, and by using a sniffer we realised that
> packets get to the freeRADIUS server, to which it responds with a challenge
> but apparently that challenge never gets back to the switch and it sends a
> "destination unreachable (port unreachable)" message.
> 
> Any ideas why that might happen? 

  A firewall on the switch is blocking RADIUS traffic.

  Alan DeKok.



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