if_bridge and IPv6

[Carl Johnson]

"Daniel O'Connor" <doconnor at gsoft.com.au> writes:

> Hi, I have a bridge interface with em0 and tap0/tap1 on it to run a
> layer 2 VPN.
>
> I find that em0 gets an IPv6 link local address but bridge0 does not
> (via net.inet6.ip6.auto_linklocal). I did some googling and it seems
> that this is a deliberate policy decision, and unfortunately you can't
> change it on a per interface basis :)
>
> It would be nice if I could suppress automatic link local for em0 and
> enable it on bridge0 rather than having to delete & add them manually.
>
> Also, does anyone have a code snippet handy for generating link local
> addresses? My google-fu was unable to find a description..

You should be able to do something like the following:

  ifconfig bridge0 inet6 fe80:: eui64 add

That assumes that it has a MAC address already assigned.  I can't help
if it doesn't have one yet.

-- 
Carl Johnson		carlj at peak.org