From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [iproute2 PATCH 1/1] iproute2 bridge: bring to above par with brctl show macs Date: Mon, 4 Aug 2014 09:34:03 -0700 Message-ID: <20140804093403.0d4cd9c2@haswell.linuxnetplumber.net> References: <1404477430-12261-1-git-send-email-jhs@emojatatu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Jamal Hadi Salim Return-path: Received: from mail-pa0-f54.google.com ([209.85.220.54]:47805 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716AbaHDQeH (ORCPT ); Mon, 4 Aug 2014 12:34:07 -0400 Received: by mail-pa0-f54.google.com with SMTP id fa1so10334104pad.13 for ; Mon, 04 Aug 2014 09:34:06 -0700 (PDT) In-Reply-To: <1404477430-12261-1-git-send-email-jhs@emojatatu.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 4 Jul 2014 08:37:10 -0400 Jamal Hadi Salim wrote: > From: Jamal Hadi Salim > > root@moja-mojo:bridge# ./bridge fdb help > Usage: bridge fdb { add | append | del | replace } ADDR dev DEV {self|master} [ temp ] > [router] [ dst IPADDR] [ vlan VID ] > [ port PORT] [ vni VNI ] [via DEV] > bridge fdb {show} [ br BRDEV ] [ brport DEV ] > > Lets start with two bridges each with a port... > > root@moja-mojo:bridge# ./bridge link > 10: sw1-p1 state DOWN : mtu 1500 master sw1 state disabled priority 32 cost 100 > 11: eth1 state DOWN : mtu 1500 master br0 state disabled priority 32 cost 100 > > show all... > root@moja-mojo:bridge# ./bridge fdb show > 33:33:00:00:00:01 dev ifb0 self permanent > 33:33:00:00:00:01 dev ifb1 self permanent > 33:33:00:00:00:01 dev eth0 self permanent > 01:00:5e:00:00:01 dev eth0 self permanent > 33:33:ff:92:c0:60 dev eth0 self permanent > 33:33:00:00:00:fb dev eth0 self permanent > 01:00:5e:00:00:fb dev eth0 self permanent > 01:00:5e:7f:ff:fd dev eth0 self permanent > 01:00:5e:00:00:01 dev wlan0 self permanent > 33:33:00:00:00:01 dev wlan0 self permanent > 33:33:ff:c2:84:3b dev wlan0 self permanent > 33:33:00:00:00:fb dev wlan0 self permanent > 01:00:5e:00:00:01 dev virbr0 self permanent > 01:00:5e:00:00:fb dev virbr0 self permanent > 33:33:00:00:00:01 dev br0 self permanent > 33:33:00:00:00:01 dev sw1 self permanent > 33:33:00:00:00:01 dev dummy0 self permanent > 5e:f4:03:44:da:9a dev sw1-p1 vlan 0 master sw1 permanent > 33:33:00:00:00:01 dev sw1-p1 self permanent > b6:5e:dd:ce:d7:5e dev eth1 vlan 0 master br0 permanent > 33:33:00:00:00:01 dev eth1 self permanent > > Lets see a netdev that is *not* attached to a bridge > > root@moja-mojo:bridge# ./bridge fdb show brport eth0 > 33:33:00:00:00:01 self permanent > 01:00:5e:00:00:01 self permanent > 33:33:ff:92:c0:60 self permanent > 33:33:00:00:00:fb self permanent > 01:00:5e:00:00:fb self permanent > 01:00:5e:7f:ff:fd self permanent > > Lets see a netdev that is bridge port > root@moja-mojo:bridge# ./bridge fdb show brport eth1 > hadi@jhs-1:/media/MT1/other-gits/iproute-jul04/bridge$ ./bridge fdb show brport eth1 > b6:5e:dd:ce:d7:5e vlan 0 master br0 permanent > 33:33:00:00:00:01 self permanent > > Specify the correct bridge and you get good stuff > root@moja-mojo:bridge# ./bridge fdb show brport eth1 br br0 > 6:5e:dd:ce:d7:5e vlan 0 master br0 permanent > 33:33:00:00:00:01 self permanent > > Specify the wrong bridge and you get good nada > root@moja-mojo:bridge# ./bridge fdb show brport eth1 br sw1 > > dump br0 > root@moja-mojo:bridge# ./bridge fdb show br br0 > 33:33:00:00:00:01 dev br0 self permanent > b6:5e:dd:ce:d7:5e dev eth1 vlan 0 master br0 permanent > 33:33:00:00:00:01 dev eth1 self permanent > > dump sw1 > root@moja-mojo:bridge# ./bridge fdb show br sw1 > 33:33:00:00:00:01 dev sw1 self permanent > 5e:f4:03:44:da:9a dev sw1-p1 vlan 0 master sw1 permanent > 33:33:00:00:00:01 dev sw1-p1 self permanent > > Lets move a port from one bridge to another for shits-and-giggles > (as the New Brunswickians like to say) > root@moja-mojo:bridge# ip link set sw1-p1 master br0 > > Now dump again br0 > root@moja-mojo:bridge# ./bridge fdb show br br0 > 33:33:00:00:00:01 dev br0 self permanent > 5e:f4:03:44:da:9a dev sw1-p1 vlan 0 master br0 permanent > 33:33:00:00:00:01 dev sw1-p1 self permanent > b6:5e:dd:ce:d7:5e dev eth1 vlan 0 master br0 permanent > 33:33:00:00:00:01 dev eth1 self permanent > > Signed-off-by: Jamal Hadi Salim Applied.