From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4BD05EA2.1040709@kpi.ua> Date: Thu, 22 Apr 2010 17:35:14 +0300 From: Yavetskiy Yuriy MIME-Version: 1.0 References: <4BCC12FD.9060802@kpi.ua> In-Reply-To: <4BCC12FD.9060802@kpi.ua> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Bridge] 10 gigabit linux bridge problem List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: bridge@lists.linux-foundation.org Ignore my problem, it works fine on centos. > Hello. > > I'm using 10 Gigabit Ethernet cards Intel 82598EB.When I use them for > routing, everything is OK.But when I tried to add them to bridge several > problems occured.I had already configured bridge from 2 gigabit Ethernet > cards intel 82576. I added a single 10-Gigabit interface in there and > got following result: > - packets are going from gigabyt to gigabyt port without any problems > - packets are coming ang going from 10 gigabyt to gigabyt port(ARP > request is seen by tspdamp on destination), but the arp response does > not reach the source host (ARP response is not seen by tspdamp on the > original host). > At the same time at the bridge it can be seen by tspdamp that the > arp-answer came from the Gigabit port, and thus can be seen that the > package left at 10 gigabit ethernet port. > - ARP-requests are going from gigabyt port, they are seen by tcpdamp > (tspdamp at gigabit port sees an incoming packet, tspdamp 10-Gigabit > sees outgoing packet). But these packets are not visible at destination. > Everything is OK with the hosts at the ends of bridge , because if you > replace the Linux bridge on FreeBSD bridge, the packets arrive. > If you are using only 10-Gigabit ports the same problem occurs, incoming > packet is seen by tcpdamp on bridge on the incoming 10G interface and > outgoing packet seen on an outgoing 10G port , but packets are is not > visible at destination. > I checked MTU everywhere, everywhere the same. Tried to increase it's > value on bridge interfaces- and got nothing. > All iptables and ebtables rules are permissive, default policy anywhere > is ACCEPT. > I'm using Debian with vanilla kernel 2.6.32.2. > In what may be the problem? > > -- WBR Yavetskiy Yuriy ULTI-RIPE