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Date: Wed, 13 Jun 2007 23:56:17 +0100
From: "Bruce M. Simpson" <bms@FreeBSD.org>
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To: Andrew Thompson <thompsa@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/net if_bridge.c if_bridgevar.h
 src/sbin/ifconfig ifbridge.c
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Andrew Thompson wrote:
>
> I have priority frames mapped to vlan1 in bridge_rtupdate, as far as I
> can tell this is correct.
>
> 2325: bridge_rtupdate(...)
> 2334:        /* 802.1p frames map to vlan 1 */
> 2335:        if (vlan == 0)
> 2336:                vlan = 1;
>   
According to the 802.1q spec this is correct for bridging. priority 
frames for the purposes of the VLAN bridge are regarded as untagged and 
should be mapped to VLAN 1 (table 9-2 in the 802.1q-1998 spec).

regards,
BMS