|
|
> > The problem was: The pyhsical Network Card attached to the > server bridge > was by default doing TCP checksums in hardware (Intel Gigabit > Ethernet > Adapter, em in FreeBSD Terms), to take this workload off the > kernel. So > the packets generated by the server host had no valid TCP > checksum on > them, entered the bridge without seeing the Intel Card and > arrived at my > VPN Clients with no valid checksum on them. > > "ifconfig em0 -txcsum" solved the problem. Now the kernel > generates the > checksums for all packets, they are valid when they enter the > bridge and > the communication works fine. > > I'll report this issue to the FreeBSD People. > > George Very interresting I wonder if other systems (such as linux) may suffer such issue (or is it only a Freebsd kernel feature) ? Maybe this should be reported to the wiki as soon as it is back online. Regards, Thibault ______________________ OpenVPN mailing lists https://lists.sourceforge.net/lists/listinfo/openvpn-users |