Subject: Re: VLAN + bridging problems
To: Dobromir Montauk <dmontauk@rescomp.berkeley.edu>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-net
Date: 12/05/2002 20:48:30
On Wed, Dec 04, 2002 at 03:06:25PM -0800, Dobromir Montauk wrote:
> Certainly.
> 
> man-aux# brconfig -a
> bridge0: flags=41<UP,RUNNING>
>         Configuration:
>                 priority 32768 hellotime 2 fwddelay 15 maxage 20
>         Interfaces:
>                 vlan95 flags=2<DISCOVER>
>                         port 13 priority 128
>                 fxp0 flags=2<DISCOVER>
>                         port 1 priority 128
>         Address cache (max cache: 100, timeout: 1200):
> (I turned off learning because man-aux kept getting confused where the
> mac address of the laptop [man-97-238] was - fxp0 or vlan95).
> 
> an-aux# ifconfig -a
> fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
>         address: 00:20:e0:60:0a:a5
>         media: Ethernet autoselect (100baseTX full-duplex)
>         status: active
>         inet 169.229.97.248 netmask 0xffffff00 broadcast 169.229.97.255
>         inet6 fe80::220:e0ff:fe60:aa5%fxp0 prefixlen 64 scopeid 0x1
> fxp1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>         address: 00:20:e0:60:0a:a6
>         media: Ethernet autoselect (none)
> lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 33220
>         inet 127.0.0.1 netmask 0xff000000
>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
>         inet6 ::1 prefixlen 128
> ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> ppp1: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296
> sl1: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296
> strip0: flags=0<> mtu 1100
> strip1: flags=0<> mtu 1100
> vlan95: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu
> 1500
>         vlan: 95 parent: fxp0
>         address: 00:20:e0:60:0a:a5
> bridge0: flags=41<UP,RUNNING> mtu 1500
> 
> The bridge, I think, works fine.  My guess is that the VLAN is the
> problem...  See, for example:
> 
> http://www.wanfear.com/pipermail/vlan/2002q4/002731.html

This doesn't seem to be related to NetBSD.

> 
> I think this describes my problem accurately.
> 
> Any other information you would like?

Nothing, this all looks fine. I may have to setup a confiuration like that
in the future, I'll have time to investigate (unless someone else does it
before :)

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 23 ans d'experience feront toujours la difference
--