From owner-freebsd-net@FreeBSD.ORG  Wed Jan 18 20:28:09 2006
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: freebsd-net@freebsd.org
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 5CDEE16A41F
	for <freebsd-net@freebsd.org>; Wed, 18 Jan 2006 20:28:09 +0000 (GMT)
	(envelope-from ambrisko@ambrisko.com)
Received: from mail.ambrisko.com (mail.ambrisko.com [64.174.51.43])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 5723443D4C
	for <freebsd-net@freebsd.org>; Wed, 18 Jan 2006 20:28:07 +0000 (GMT)
	(envelope-from ambrisko@ambrisko.com)
Received: from server2.ambrisko.com (HELO www.ambrisko.com) ([192.168.1.2])
	by mail.ambrisko.com with ESMTP; 18 Jan 2006 12:28:07 -0800
Received: from ambrisko.com (localhost [127.0.0.1])
	by www.ambrisko.com (8.12.11/8.12.9) with ESMTP id k0IKS6OY073020;
	Wed, 18 Jan 2006 12:28:06 -0800 (PST)
	(envelope-from ambrisko@ambrisko.com)
Received: (from ambrisko@localhost)
	by ambrisko.com (8.12.11/8.12.11/Submit) id k0IKS6Nf073019;
	Wed, 18 Jan 2006 12:28:06 -0800 (PST) (envelope-from ambrisko)
From: Doug Ambrisko <ambrisko@ambrisko.com>
Message-Id: <200601182028.k0IKS6Nf073019@ambrisko.com>
In-Reply-To: <Pine.SOC.4.61.0601182118510.10112@tea.blinkenlights.nl>
To: Sten Spans <sten@blinkenlights.nl>
Date: Wed, 18 Jan 2006 12:28:06 -0800 (PST)
X-Mailer: ELM [version 2.4ME+ PL94b (25)]
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=US-ASCII
Cc: freebsd-net@freebsd.org, Dave Raven <dave@raven.za.net>
Subject: Re: em driver + VLAN's
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Jan 2006 20:28:09 -0000

Sten Spans writes:
| On Wed, 18 Jan 2006, Doug Ambrisko wrote:
| > Dave Raven writes:
| > | FreeBSD 4.9 - char em_driver_version[] = "1.7.16";
| > |
| > | I've tried multiple bridge configurations - from bridging just em0,em1 to
| > | bridging two vlan's attached to each card. Unfortunately I don't have access
| > | to the box at the moment - if its still necessary I will fetch the
| > | information tomorrow (ifconfig etc)
| > |
| > | To sum up its something like the following
| > | 	net.inet.ether.bridge_config=em0,em1
| > | 	net.inet.ether.bridge=1
| > |
| > | Or vlan0,vlan1 with:
| > | 	ifconfig vlan0 create
| > | 	ifconfig vlan1 create
| > | 	ifconfig vlan0 vlan 100 vlandev em0
| > | 	ifconfig vlan1 vlan 100 vlandev em1
| > |
| > |
| > | If I change to using fxp it immediately works..
| >
| > I think you will find you are bridging in promiscous mode and the
| > HW VLAN stuff isn't there.  You should try to bridge the vlan devices
| > or disable the VLAN HW (driver hack).  It works with the fxp0 since you
| > are using SW VLAN so the HW part isn't grabing it.  I've done the driver
| > hack for some things I needed to do.
| 
| what about vlanhwtag (ifconfig) ?
| according to the em manpage it is disabled by default
| so this setup should work.

I'm not sure ... things have changed over time.

Doug A.