From: Stephen Hemminger <stephen@networkplumber.org>
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: netdev@vger.kernel.org
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 [thread overview]
Message-ID: <20140804093403.0d4cd9c2@haswell.linuxnetplumber.net> (raw)
In-Reply-To: <1404477430-12261-1-git-send-email-jhs@emojatatu.com>
On Fri, 4 Jul 2014 08:37:10 -0400
Jamal Hadi Salim <jhs@mojatatu.com> wrote:
> From: Jamal Hadi Salim <jhs@mojatatu.com>
>
> 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 : <BROADCAST,NOARP> mtu 1500 master sw1 state disabled priority 32 cost 100
> 11: eth1 state DOWN : <BROADCAST,NOARP> 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 <jhs@mojatatu.com>
Applied.
prev parent reply other threads:[~2014-08-04 16:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 12:37 [iproute2 PATCH 1/1] iproute2 bridge: bring to above par with brctl show macs Jamal Hadi Salim
2014-08-04 16:34 ` Stephen Hemminger [this message]
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