From owner-freebsd-net@FreeBSD.ORG  Wed Dec 12 05:38:22 2007
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Date: Wed, 12 Dec 2007 16:38:08 +1100 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Randy Bush <randy@psg.com>
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Cc: freebsd-net@freebsd.org
Subject: Re: ifconfig: BRDGADD vr1: Invalid argument
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On Wed, 12 Dec 2007, Randy Bush wrote:
 > > did you start off with?
 > > 
 > >  # ifconfig bridge create
 > > 
 > > when your ifconfig -a should then also show:
 > > 
 > >   bridge0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
 > >   (etc)
 > > 
 > > though it looks like 'cloned_interfaces=bridge0' is supposed to do that. 
 > > 
 > > cheers, Ian
 > 
 > sorry, cut and paste error with screen.  lo0 missing too :)
 > 
 > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
 >         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6
 >         inet6 ::1 prefixlen 128
 >         inet 127.0.0.1 netmask 0xff000000
 > bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
 > 1500
 >         ether 2a:ba:6b:d8:1d:0d
 >         id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
 >         maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
 >         root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0

Ah.  Well the only other thing i noticed (after posting) was that each
of vr1 to vr3 showed as UP, but:

 >         media: Ethernet autoselect (none)
 >         status: no carrier

but I don't know whether that should matter?

cheers, Ian