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Message-ID: <cde09a86-1f34-4372-8dbf-7682157aea2d@blackwall.org>
Date: Wed, 13 Mar 2024 18:46:05 +0200
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Andrew Lunn <andrew@...n.ch>
Cc: Ido Schimmel <idosch@...dia.com>, netdev <netdev@...r.kernel.org>
Subject: Re: VLAN aware bridge multicast and quierer problems

On 3/13/24 18:36, Andrew Lunn wrote:
>> Hi Andrew,
>> Please check again, br_multicast_rcv() which is called before
>> br_multicast_querier_exists() should set brmctx and pmctx to
>> the proper vlan contexts. If vlan igmp snooping is enabled then
>> the call to br_multicast_querier_exists() is done with the vlan's
>> contexts. I'd guess per-vlan igmp snooping is not enabled (it is not
>> enabled by default).
> 
> I will check. However, if per-vlan igmp snooping is not enabled i
> would expect it to flood, but it is not.
> 
>        Andrew
> 

There is a querier in another vlan connected to the bridge as you
mentioned, that is considered global if per-vlan igmp is not enabled.
Why should it flood in that case?


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