Subject: Re: wm* hardware assist breaking gif tunnels
To: None <>
From: Michael van Elst <>
List: tech-net
Date: 09/04/2007 20:20:01 (John Klos) writes:

>When I use the ip4csum option on the interface over which the gif tunnel 
>communicates, IPv6 over the tunnel stops working.

Is this just IPv6 via tunnel or any IPv6 traffic ?

>I don't see any specific PRs referencing this. Does anyone have a good 
>idea on where to start, or does anyone have other systems on which to test 

I can try to reproduce the problem.

wm0 at pci3 dev 0 function 0: Intel i82573L Gigabit Ethernet, rev. 0

                                Michael van Elst
                                "A potential Snark may lurk in every tree."