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

Dietmar Maurer dietmar at proxmox.com
Sat Mar 9 09:31:26 CET 2013

> @Dietmar
> Maybe the upgrade should be done like this:
> - disable igmp snooping on physical switches (if user use it)
> - upgrade kernel of each node and reboot them. (they should communicate with
> old and newer kernel)
> - re-enable igmp snooping on physical switch when all nodes are upgraded

I first need to debug corosync here next week - I still not understand whats happens.

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