netdev - Re: Deleting a dynamic mac entry..

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Message-ID: <45967005-7501-6c96-eb95-f83c5f631277@lab.ntt.co.jp>
Date:   Fri, 26 May 2017 17:15:15 +0900
From:   Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
To:     Manohar Kumar <forwardinglnx@...il.com>
Cc:     netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: Deleting a dynamic mac entry..

On 2017/05/26 14:08, Manohar Kumar wrote:
> On Wed, May 24, 2017 at 6:11 PM, Toshiaki Makita
> <makita.toshiaki@....ntt.co.jp> wrote:
>> On 2017/05/25 3:05, Manohar Kumar wrote:
>>> Thanks, Toshiaki.
>>>
>>> What is the right way to set the default_pvid using the bridge command
>>> ? I tried this, which fails..
>>>
>>> root@...-3:~# ip link set dev vxlan0 name untagged type vlan id 0
>>> RTNETLINK answers: Operation not supported
>>> root@...-3:~#
>>>
>>> All the interfaces in the bridge are untagged.
>>
>> # ip link set br0 down
>> # echo 0 > /sys/class/net/br0/bridge/default_pvid
>>
> 
> I have the bridge inside a network namespace. There is no
> /sys/class/net entry for the bridge interface inside the namespace.
> 
> I see online references to this concept of 'tagged' sysfs directories
> to support namespaces. But its not clear how to access the sysfs
> entries for a particular namespace.

Did you remount /sys after entering netns?
If not, remount /sys or use "ip netns" which automatically do it.

> Is there any other way to set the default_pvid for the bridge
> interface inside namespace ?

No, as of 3.19.

Toshiaki Makita