Wrong destination port in reply to DHCP relay
Бен Томпсон
b.thompson at latera.ru
Mon Mar 25 12:31:30 CET 2013
Hello Everyone
I have an issue with an installation of FreeRADIUS 2.2.0 configured
for DHCP, and I am seeing a problem where FreeRADIUS is replying to
the wrong port on the DHCP relay.
The request comes in like this :-
Received DHCP-Discover of id de6dc6f2 from 10.77.1.254:68 to 10.0.0.1:67
But the the server replys like this :-
Sending DHCP-Offer of id de6dc6f2 to 10.77.1.254:68
The problem is that the relay is expecting the reply on port 67, so I
am getting an ICMP port unreachable message back and the DHCP offer is
lost.
I found a similar thread from 2008 which says that this was fixed:
http://lists.freeradius.org/pipermail/freeradius-users/2008-June/029146.html
However, this is quite a while ago and I guess that lots of things
have changed, so I would be grateful if someone could verify the
current v2.2.0 code for me to check that the fix is in there.
Thanks
Ben
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