Subject: Re: wm* hardware assist breaking gif tunnels
To: None <>
From: David Young <>
List: tech-net
Date: 09/04/2007 15:26:16
On Tue, Sep 04, 2007 at 07:56:31PM +0000, John Klos wrote:
> Hi, all,
> I just wrote this LONG email explaining that I couldn't figure out why my 
> gif tunnels weren't working, only to figure it out as I got near the end 
> of the email.
> When I use the ip4csum option on the interface over which the gif tunnel 
> communicates, IPv6 over the tunnel stops working. tcpdump shows the 
> packets coming in, then shows the packets going out, but they never make 
> it onto the actual wire. Local IPv6 works fine, as does all IPv4.

Can we have a look at ifconfig -a?


David Young             OJC Technologies      Urbana, IL * (217) 278-3933 ext 24