On Mon, 2010-05-31 at 11:32 +0200, Vincent Van Houtte wrote: > On Mon, 2010-05-31 at 14:03 +0530, Nilesh Govindarajan wrote: > > IP Forwarding is probably disabled. > > > > # sysctl -w net.ipv4.ip_forward=1 > > Thank you. Unfortunately that is not it: > > # sysctl net.ipv4.ip_forward > net.ipv4.ip_forward = 1 Seems like this was a problem with my ISP, that had a broken router with wrong MTU-values (If I understood correctly). There is a workaround available, and applying that has fixed our problem. Since the solution was not found by me, I cannot post it here. If someone is interested, I'll see if I can get it from 'my man'. THX again. Vincent -- Advocatenkantoor Suy, Van Baeveghem & Van Houtte Brusselsestraat 108 9200 Dendermonde T +32.52.52.06.05 F +32.52.52.06.46 W http://www.synergylaw.be