On Tuesday 02 September 2003 19:45, Stephen Hemminger wrote: > > Looks like bridging is taking an input packet, transmitting it but not > > initializing skb->csum, skb->ip_summed, and other fields before doing > > so. > > > > Definitely a bridging bug. > > It is actually a bridging-filter bug, since the bridge layer is at level 2 > it doesn't know anything about IP. A message ([Bridge] Re: [2.4.22] bad interaction between e100 and bridge: BUG at dev.c:991!) on the bridge list said this: <quote> > setup & how to reproduce: > HP Netserver 2000 with 2 onboard e100 NICs. Both are connected to the same hub. > Add both eth0 and eth1 to the same bridge. Pull the plug on eth0. > Wait till the bridge is about to enter forwarding state on eth1. > > I have reproduced this with earlier kernels (2.4.20+) too but they > were heavily patched. This is a pristine 2.4.22. > > Strange but true: This works when using eepro100 insted of e100. <unquote> A pristine 2.4.22 doesn't have bridge-netfilter. I don't see how bridge-netfilter would be involved anyway, altering a packet doesn't automagically trigger checksum recalculation. cheers, Bart
