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DateFri, 3 Dec 2004 10:07:32 +0100
FromLennert Buytenhek <>
SubjectRe: IPv6 bridging
On Thu, Dec 02, 2004 at 06:58:47PM +0100, Zoltan NAGY wrote:

> Hello!

Hello!


> Is it possible to bridge ip tunnels (IPv6 in IPv4)? brctl gives me an
> error "Invalid argument",
> and from strace it seems it misses some ioctls from kernel...

Uhm. The only things you can bridge together are ethernet devices.
An IP tunnel is not an ethernet device, is it? This requirement is
there because the bridge just fowards ethernet frames, and knows
nothing about doing neighbour resolution (ARP) to get the right MAC
address, etc.

You might want to fiddle something with proxy ARP.


--L
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