From owner-freebsd-net@FreeBSD.ORG Wed Mar 31 00:49:02 2010 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 3374A106566C for ; Wed, 31 Mar 2010 00:49:02 +0000 (UTC) (envelope-from ru@FreeBSD.org) Received: from mail.vega.ru (mail.vega.ru [90.156.167.5]) by mx1.freebsd.org (Postfix) with ESMTP id ACFC98FC15 for ; Wed, 31 Mar 2010 00:49:01 +0000 (UTC) Received: from [10.100.124.99] (helo=edoofus.dev.vega.ru) by mail.vega.ru with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.71 (FreeBSD)) (envelope-from ) id 1Nwm71-000Lbc-M1; Wed, 31 Mar 2010 04:48:51 +0400 Date: Wed, 31 Mar 2010 04:48:23 +0400 From: Ruslan Ermilov To: Mike Tancsa Message-ID: <20100331004822.GA49860@edoofus.dev.vega.ru> References: <005801cad03c$5f5128d0$1df37a70$@kawasaki-tn.com> <201003302120.o2ULKwTT071015@lava.sentex.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201003302120.o2ULKwTT071015@lava.sentex.ca> Cc: "J. English" , freebsd-net@freebsd.org Subject: Re: Workaround for mpd5 and 8.0 broken proxy arp? 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, 31 Mar 2010 00:49:02 -0000 On Tue, Mar 30, 2010 at 05:20:52PM -0400, Mike Tancsa wrote: > At 03:08 PM 3/30/2010, J. English wrote: > >In googling for solutions, I came across others who have posted to this list > >who have had similar problems. It also looks like a problem report has been > >submitted for proxy arp being broken in 8.0 RELENG. > > >My options are 1) to wait until proxy arp is fixed (don't know how long that > >will take), > > Are you sure its still broken in RELENG_8 ? There were a couple of > fixes since 8.0 that have gone into the tree if I recall correctly. > > http://svn.freebsd.org/viewvc/base?view=revision&revision=201614 > > http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001790.html Yes, it's still broken (it's a regression compared to 7.x). A workaround I've found working after analyzing the newer kernel code is to ALWAYS use the same IP address for the local end of the tunnel as of the corresponding ARP capable interface. Cheers, -- Ruslan Ermilov ru@FreeBSD.org FreeBSD committer