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

Dietmar Maurer dietmar at proxmox.com
Sat Mar 9 16:44:43 CET 2013

> From what I have read about the IGMP implementation in Linux then igmp
> quierier is optional and disabled by default since the task of acting as quierier is
> normally an infrastructure task in which case you expect the network
> components like switch or router to take care of this. This is especially the case
> if the nearest switch is a stacked switch in a larger network where you would
> expect the IGMP snooping to be carried over the trunk port.

Are you sure about that? How can we test that (looking at the sources it seems to be enabled)?

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