netdev - Re: vlan aware bridge doesn't propagate mac changes to vlans on top of it

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Date:   Thu, 8 Sep 2016 23:16:34 +0200
From:   Michal Soltys <soltys@....info>
To:     Toshiaki Makita <makita.toshiaki@....ntt.co.jp>,
        Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: vlan aware bridge doesn't propagate mac changes to vlans on top
 of it

On 2016-09-08 04:03, Toshiaki Makita wrote:
> On 2016/09/08 3:22, Michal Soltys wrote:
> ...
>> 4.7.2
>> git describe on that commit suggests it's been available since 4.6.x
>> 
>> What I did in details:
>> 
>> ip li add name port1b type veth peer name port1e
>> ip li add br0 type bridge
>> ip li set dev br0 type bridge vlan_default_pvid 0
>> ip li set dev br0 type bridge vlan_filtering 1
>> bridge vlan add dev br0 vid 10 self
>> bridge vlan add dev br0 vid 250 untagged pvid self
>> ip li add link br0 name vlan10 type vlan id 10
>> ip li set port1b master br0
>> 
>> At this point br0.vlan10 had outdated mac after br0 took port1b's one as
>> its own.
> 
> If the mac address of lower device is changed while vlan device is down,
> the address will be synchronized when vlan device becomes up.
> Please try "ip li set vlan10 up".
> 

Gah, yea upping interface updates it correctly. Originally I found this
issue on older kernel, so I quickly verified the behaviour on the
current one - but didn't do ip up.

Sorry for the noise.