From owner-freebsd-current@FreeBSD.ORG Mon Oct 29 21:59:06 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id EC78625E for ; Mon, 29 Oct 2012 21:59:06 +0000 (UTC) (envelope-from w8hdkim@gmail.com) Received: from mail-vb0-f54.google.com (mail-vb0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 995128FC0A for ; Mon, 29 Oct 2012 21:59:05 +0000 (UTC) Received: by mail-vb0-f54.google.com with SMTP id l1so2325259vba.13 for ; Mon, 29 Oct 2012 14:59:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=iZL+850CYB9zY7c5sEP5yoJz29LJwlTVI9kBCW+YcHM=; b=K2PyvXGHbUy5ShdmwwxDdO7NONlzjfU7sh4mVet2Eri2XXW+jNNCRvHjesRyURcnHx zjLOgtRAP5SKl4xdjD+ZMrvr7GEUnZ+o6BzShoz7rw7qUd/oV9bSl19cJmBZRWEoT5Yq Z1HvyGXwfR6BkyRiObVq29kuxRDLm72EEdiqT8hwTbcoiO8KJpwmqm2YzeuXqLbq46/n Iq5L2ct7QwH4luklrcTF6eaO+GpvSZtvPl1jH6Ts0GtBrfqyHOUVYijpZf/zeDbbfmrN WkOdP08m8Q4/8zIwKMXpWWRh4n3moZ7cw9NO0xwBHkVNzEqaY6cXJVyVMiCoxbUEboJq /vgQ== MIME-Version: 1.0 Received: by 10.52.22.202 with SMTP id g10mr40956335vdf.31.1351547944844; Mon, 29 Oct 2012 14:59:04 -0700 (PDT) Received: by 10.58.226.163 with HTTP; Mon, 29 Oct 2012 14:59:04 -0700 (PDT) In-Reply-To: References: Date: Mon, 29 Oct 2012 17:59:04 -0400 Message-ID: Subject: Re: Interfaces connected by bridge(4) do not pass arp replies From: Kim Culhan To: Monthadar Al Jaberi Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Oct 2012 21:59:07 -0000 On Mon, Oct 29, 2012 at 5:17 PM, Monthadar Al Jaberi wrote: > On Mon, Oct 29, 2012 at 9:55 PM, Kim Culhan wrote: >> On Mon, Oct 29, 2012 at 3:59 PM, Monthadar Al Jaberi >> wrote: >>> On Mon, Oct 29, 2012 at 8:46 PM, Kim Culhan wrote: >>>> With 2 interfaces present on a bridge0, an arp request is send from >>>> msk0 and is received >>>> by a machine on em0. >>>> >>>> When a reply to that arp request is sent by a machine on em0 it is not >>>> visible on the >>>> bridge0 nor on msk0 as indicated by tcpdump. >>>> >>>> The arp reply is visible while watching em0 with tcpdump. >>> >>> Is em0 set in promisc mode? >>> >>>> >>>> This behaviour is also true when arp requests are sent from a wlan >>>> interface ath0 >>>> and received on a wired interface, the arp reply is visible on the >>>> wired interface but not >>>> visible monitoring with 'tcpdump -i bridge0 arp'. >>> >>> Hmm, I am briding between ath0 and wired (arge0). >>> >>> Can you provide more info? what is your rc.conf? How does it set the interfaces? >>> Can you give ifconfig output? >>> The are reply that you dont see on bridge0 can you dump it from wired >>> interface? >> >> What svn revision of FreeBSD -current are you running? > > FreeBSD head r238604. I should have mentioned earlier this is with r242126, there have been some changes to the network code since 238604, maybe that is why you don't have this problem. -kim