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

Michael Rasmussen mir at datanom.net
Fri Mar 8 17:31:24 CET 2013


On Fri, 08 Mar 2013 17:20:53 +0100 (CET)
Alexandre DERUMIER <aderumier at odiso.com> wrote:

> 
> Just an idea, can you try to reboot your physicals switchs ?
> Maybe old igmp snooping from bridge was propagated to your switchs...
> (I think that igmp queries are send from linux bridge to all interfaces connected to it)
> 
> 
> But Indeed, that's not an easy update,i'm not sure it's possible to push it by default to next kernel. 
> 
You are certain that it is not your switch which is causing problems?
I have never seen multicast problems in my log files and my switch will
block multicast traffic unless multicast snooping is enabled on the
ports involved or the entire vlan.

-- 
Hilsen/Regards
Michael Rasmussen

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