From owner-freebsd-net@FreeBSD.ORG Fri Dec 17 23:00:13 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 944C3106566B for ; Fri, 17 Dec 2010 23:00:13 +0000 (UTC) (envelope-from crapsh@monkeybrains.net) Received: from lavash.monkeybrains.net (mail.monkeybrains.net [208.69.40.9]) by mx1.freebsd.org (Postfix) with ESMTP id 68C8E8FC14 for ; Fri, 17 Dec 2010 23:00:13 +0000 (UTC) Received: from [208.90.212.192] (208-90-212-192.PUBLIC.monkeybrains.net [208.90.212.192]) (authenticated bits=0) by lavash.monkeybrains.net (8.14.4/8.14.4) with ESMTP id oBHN0DVE005602 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Fri, 17 Dec 2010 15:00:13 -0800 (PST) (envelope-from crapsh@monkeybrains.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=monkeybrains.net; s=monkey; t=1292626813; bh=nDQLYZlyr+kV8SrRqyzG7/pRF77HM2FN29tmHBEjEIg=; h=Message-ID:Date:From:MIME-Version:To:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=E7btHLlvmaPQwS6G5UeOS8Qg7hhVhMLu+IVvnJRF0TZn3qPmklXEtoQiVXIVxUa8F LH5Gk3FP4ZsK0F/D197zO4eoGGG5fPuJ782lUo93JL3ZmojARoMOS2rjpA+RKTE0Y3 ueXYVAC5B4SkHyhRmwAY4mzsWkxVSqnwB/R9GIq4= Message-ID: <4D0BEB7C.2080506@monkeybrains.net> Date: Fri, 17 Dec 2010 15:00:12 -0800 From: Rudy User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.14) Gecko/20101006 Thunderbird/3.0.9 MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <4D0AAC30.1090202@monkeybrains.net> In-Reply-To: <4D0AAC30.1090202@monkeybrains.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.96.4 at lavash.monkeybrains.net X-Virus-Status: Clean Subject: Re: unicast flooding on bridge0 and odd DUP! ICMP packets 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: Fri, 17 Dec 2010 23:00:13 -0000 How much of the vlan/bridge stuff is off-loaded to the ethernet card? Would chaning out my em0 for an igb0 affect uni-cast flooding in any way? Rudy On 12/16/2010 04:17 PM, Rudy wrote: > > I am having issues when I add 3 vlans (all off of em1) to bridge0. > > [1] when I ping ips on 2 of the 3 vlans, I get a redirect from localhost > and then a dup > # ifconfig bridge0 10.7.0.1/16 > # ping 10.7.1.31 (which lives on vlan714) > PING 10.7.1.31 (10.7.1.31): 56 data bytes > 36 bytes from localhost (127.0.0.1): Redirect Host(New addr: 10.7.1.31) > Vr HL TOS Len ID Flg off TTL Pro cks Src Dst > 4 5 00 0054 af97 0 0000 3f 01 b6e4 10.7.0.1 10.7.1.31 > > 64 bytes from 10.7.1.31: icmp_seq=0 ttl=64 time=286.316 ms > 64 bytes from 10.7.1.31: icmp_seq=0 ttl=64 time=286.350 ms (DUP!) > > # ping 10.7.1.5 (which lives on vlan7) > PING 10.7.1.5 (10.7.1.5): 56 data bytes > 64 bytes from 10.7.1.5: icmp_seq=0 ttl=64 time=5.160 ms > 64 bytes from 10.7.1.5: icmp_seq=1 ttl=64 time=3.392 ms > 64 bytes from 10.7.1.5: icmp_seq=2 ttl=64 time=6.250 ms > > So, what would possible cause my localhost to spit out the redirect? > (the route is the same for both IPs: > arana-zebra> sh ip route 10.7.1.5 > Routing entry for 10.7.0.0/16 > Known via "connected", distance 0, metric 1, best > * directly connected, bridge0 > > arana-zebra> sh ip route 10.7.1.31 > Routing entry for 10.7.0.0/16 > Known via "connected", distance 0, metric 1, best > * directly connected, bridge0 > > > [2] When putting live traffic on the links, I saw a lot of unicast > traffic going over the wire. I had 'PRIVATE' set on all bridge members. > > Is anyone running a bridge with 50 vlan members? Do you see any unicast > flooding? (I added "switchport block unicast" to the vlan egree points > on the switches -- going to wifi antennas.) > > My goal: set up dhcpd router with a big pool -- spanning all the vlans > -- but keeping the vlan traffic separate (hence the PRIVATE on the > bridge members). > > Rudy > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >