if_bridge and IPv6
doconnor at gsoft.com.au
Fri Mar 11 00:32:39 UTC 2011
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..
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
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