From owner-freebsd-net@FreeBSD.ORG  Mon Aug 29 21:17:31 2005
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Date: Tue, 30 Aug 2005 09:17:20 +1200
From: Andrew Thompson <thompsa@freebsd.org>
To: "Bruce A. Mah" <bmah@freebsd.org>
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Cc: freebsd-net@freebsd.org
Subject: Re: if_bridge and IPv6?
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On Mon, Aug 29, 2005 at 01:17:23PM -0700, Bruce A. Mah wrote:
> Hi folks--
> 
> Can anyone tell me if I should be able to run IPv6 over an if_bridge
> interface?
 
The bridge is layer2 so you should be able to use any layer3 protocol.

> IPv4 seems to work fine over this; I can assign an IPv4 address to
> bridge0 and everything seems normal.  If I assign an IPv6 address to the
> interface, no IPv6 packets seem to go in or out, and ping6-ing a machine
> on the same subnet yields:
> 
> hornet# ping6 other_address
> PING6(56=40+8+8 nbytes) (net4801_address) --> (other_address)
> _storelladdr: something odd happens
> ping6: sendmsg: Invalid argument
> ping6: wrote tomcat.kitchenlab.org 16 chars, ret=-1
> nd6_storelladdr: something odd happens
> 

>From what I can tell this is from the bridge itself, does bridging work
between ipv6 hosts on either side of the bridge?

I will try and replicate this setup tonight.


cheers,
Andrew