From owner-freebsd-net@FreeBSD.ORG Wed May 28 20:16:03 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C83841065672 for ; Wed, 28 May 2008 20:16:03 +0000 (UTC) (envelope-from thompsa@FreeBSD.org) Received: from pele.citylink.co.nz (pele.citylink.co.nz [202.8.44.226]) by mx1.freebsd.org (Postfix) with ESMTP id 8ED1A8FC1F for ; Wed, 28 May 2008 20:16:03 +0000 (UTC) (envelope-from thompsa@FreeBSD.org) Received: from localhost (localhost [127.0.0.1]) by pele.citylink.co.nz (Postfix) with ESMTP id B04472D16D; Thu, 29 May 2008 08:16:02 +1200 (NZST) X-Virus-Scanned: Debian amavisd-new at citylink.co.nz Received: from pele.citylink.co.nz ([127.0.0.1]) by localhost (pele.citylink.co.nz [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1+jW1wNAp3TG; Thu, 29 May 2008 08:15:59 +1200 (NZST) Received: from citylink.fud.org.nz (unknown [202.8.44.45]) by pele.citylink.co.nz (Postfix) with ESMTP; Thu, 29 May 2008 08:15:59 +1200 (NZST) Received: by citylink.fud.org.nz (Postfix, from userid 1001) id C41D611431; Thu, 29 May 2008 08:17:23 +1200 (NZST) Date: Wed, 28 May 2008 13:17:23 -0700 From: Andrew Thompson To: Andrea Venturoli Message-ID: <20080528201723.GD51548@citylink.fud.org.nz> References: <483D7A22.9000206@netfence.it> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <483D7A22.9000206@netfence.it> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: freebsd-net@freebsd.org Subject: Re: Testing lagg X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 May 2008 20:16:03 -0000 On Wed, May 28, 2008 at 05:28:34PM +0200, Andrea Venturoli wrote: > Hello. > > I've got a new box which features two gigabit ports and I though I'd try > lagg with LACP. > > On the box I put the following in /etc/rc.conf: > > ifconfig_em0="up" > ifconfig_em1="up" > ifconfig_lagg0="laggproto lacp laggport em0 laggport em1 192.168.100.101 > netmask 255.255.255.0" > > > Then I aggregated the ports on the switch (3com). > > > This seems to work fine, although I see a 30 seconds delay from the moment > a network cable is unplugged and the moment the network works again. > Is this normal? Can this time be reduced? > Any other hint or gotcha? Can you post a verbose ifconfig (-v) for hte before and after. It will show the lag identifiers which may help diagnose this. Andrew