Re: [Xen-devel] [PATCH 1/3] bridge: preserve random init MAC address

[Toshiaki Makita <makita.toshiaki@xxxxxxxxxxxxx>]

(2014/03/19 9:50), Luis R. Rodriguez wrote:
> On Tue, Mar 18, 2014 at 5:42 PM, Toshiaki Makita
> <makita.toshiaki@xxxxxxxxxxxxx> wrote:
>> nit,
>> If the last detached port happens to have the same addr as
>> random_init_addr, this seems to call br_stp_change_bridge_id() even
>> though bridge_id is not changed.
> 
> Ah good point.
> 
>> Shouldn't the assignment of random_init_addr be done before the check of
>> "no change"?
> 
> Good question, should we even allow two ports to have the same MAC
> address or should we complain and refuse to add it? If so that should
> mean we should also have to monitor any manual address changes or
> events for address changes on the ports.

This was recently discussed by Stephen and me.
I'm thinking it should be allowed.

http://marc.info/?l=linux-netdev&m=139182743919257&w=2

Toshiaki Makita

> 
> Stephen?
> 
>   Luis

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