From owner-freebsd-stable@FreeBSD.ORG Wed Dec 10 07:06:20 2008 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8E16B106567F for ; Wed, 10 Dec 2008 07:06:20 +0000 (UTC) (envelope-from goran.lowkrantz@ismobile.com) Received: from mail.ismobile.com (mail.ismobile.com [62.119.44.68]) by mx1.freebsd.org (Postfix) with ESMTP id 3BF0C8FC19 for ; Wed, 10 Dec 2008 07:06:20 +0000 (UTC) (envelope-from goran.lowkrantz@ismobile.com) Received: from mail.ismobile.com (localhost [127.0.0.1]) by mail.ismobile.com (Postfix) with ESMTP id 08296278; Wed, 10 Dec 2008 08:06:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=ismobile.com; h=date:from :to:cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; s=selector1; bh=sZukWEl krVW7P+GdaNb+abxJfV8=; b=iPz8bkCXEXk+bV/xPDFHwQnTdnw8VohV+PkGqbX 0VRFfyThMzTv7iLfnpk7rYz8hg8+NJ3oxw6sc1lfH5NgVvgZTqKmaoxFL0u1IWU5 Z2Ras8mEnFyt1jR5WU3HHutkXnBeRAy9SFKZJqRXRXfKm+nmf1CSQzarKNq8n1Tt im1Q= Received: from [172.16.2.128] (syn.hq.ismobile.com [172.16.2.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.ismobile.com (Postfix) with ESMTPSA id 28C96277; Wed, 10 Dec 2008 08:06:16 +0100 (CET) Date: Wed, 10 Dec 2008 08:06:16 +0100 From: Goran Lowkrantz To: pyunyh@gmail.com Message-ID: In-Reply-To: <80D07D8C17DAC73D69DCDC9A@[172.16.2.124]> References: <20081209114723.GE33723@cdnetworks.co.kr> <80D07D8C17DAC73D69DCDC9A@[172.16.2.124]> X-Mailer: Mulberry/4.0.8 (Mac OS X) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Cc: stable@freebsd.org Subject: Re: Regression in vr - not receiveing multicast X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Dec 2008 07:06:20 -0000 --On December 9, 2008 12:53:05 +0100 Goran Lowkrantz wrote: > --On December 9, 2008 20:47:23 +0900 Pyun YongHyeon > wrote: > >> On Tue, Dec 09, 2008 at 10:40:17AM +0100, Goran Lowkrantz wrote: >> > Hi, >> > >> > in July, vr had this problem and was fixed: >> > >> > >> > >> > but now it's back again! >> > >> >> There was just one bug fix since then and I guess the fix is not >> related with your issue. >> >> > On a system with the following: >> > 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #3: Thu Oct 16 12:31:04 UTC 2008 >> > >> > I have to set all vr interfaces in promisc to get routing info. >> > >> > Using Quagga >> > # pkg_info -Ix uagga >> > quagga-0.99.10_3 Free RIPv1, RIPv2, OSPFv2, BGP4, IS-IS route >> software > >> > on an inner network using RIPv2 >> > # ifmcstat -i vr0 >> > vr0: >> > inet xxx.xxx.xxx.xxx >> > group 224.0.0.9 >> > igmpv2 >> > mcast-macaddr 01:00:5e:00:00:09 refcnt 1 >> > group 224.0.0.1 >> > mcast-macaddr 01:00:5e:00:00:01 refcnt 1 >> > >> > >> > On the same box, we have some em devices also and they work without >> any > problems. >> > >> >> There is fundamental differences between em(4) and vr(4). The >> vr(4) for VT6105M takes advantage of perfect multicast filtering >> feature which is not present on all em(4) interface. Perfect >> multicast filtering can reduce unwanted multicast traffics such >> that it could save a lot of CPU cycles. The downside is that vr(4) >> cannot accept multicast frames for a multicast group without >> joining the multicast group first. >> For multicast routing purpose I guess 'options MROUTING' kernel >> option should be enabled to accept all multicast frames. >> Does your kernel have that option? > > No it has not. I will create such a beast and return with stories. > I have tried with 'options MROUTING' and it didn't work. Did I miss something? Do I have to install and run mrouted also? It seems like maybe the first two packages are accepted after registration as I don't lose the routes until after about 6 min uptime. But to get further updates, I need the interfaces in promisc. So, next step? /glz