On Thu, Nov 23, 2006 at 09:22:32PM -0600, Albert Chin wrote: > We have someone connecting from an FC4 host running Openswan 2.4.4 > behind a firewall to our VPN server running OpenBSD 4.0. They are able > to establish a connection ok but tcpdump shows a bad cksum value for > pings from the client connection: > # tcpdump -avs 1440 -e -ttt -i fxp4 host 60.44.70.140 and port ipsec-nat-t > [tcpdump output snipped] > ... > > I've tested both an FC4 and FC5 client behind an OpenBSD 4.0 firewall > connecting to the same OpenBSD 4.0 VPN server and I don't have any > problems. > > Anyone with ideas on why this is happening? The client is behind a > Panasonic DN-C200NC firewall (VOIP/NAT/...).
The client replaced the Panasonic DN-C200NC firewall with a NetBSD server and all is working now. -- albert chin ([EMAIL PROTECTED])
