[pve-devel] corosync, multicast problem because of vmbr multicast_snooping enabled

Alexandre DERUMIER aderumier at odiso.com
Sat Mar 9 17:25:22 CET 2013


>>Did you already test applying the patch (seem possible). Does that solve the problems?
Not yet.
>>I can add the patch to our patch seriers - I guess that is useful? 

I think that disabling igmp_querier could also resolve the problem.

But I'm not sure it won't break also a running setup like you have had, 
If a the linux bridge is the "master" quierer of the network.

But anyway we should try it.


----- Mail original ----- 

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Dietmar Maurer" <dietmar at proxmox.com>, "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Samedi 9 Mars 2013 17:00:07 
Objet: RE: [pve-devel] corosync, multicast problem because of vmbr multicast_snooping enabled 

> > igmp querier in linux bridge is on disabled in newer kernel since the 
> > commit I have pointed, but it's enabled by default is current redhat kernel. 
> > 
> > With tcpdump on bridge you should see igmp queries comming from the 
> bridge. 
> 
> Did you already test applying the patch (seem possible). Does that solve the 
> problems? 

I can add the patch to our patch seriers - I guess that is useful? 


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