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

[Alexandre DERUMIER]

>>The really strange thing is that omping seems to work. So maybe multicast works, 
>>but corosync is broken. So it is maybe related to recent corosync updates? 

It's possible that omping don't use the same multicast address that your cluster ?

(igmp snooping filter by multicast address group)



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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Vendredi 8 Mars 2013 18:39:40 
Objet: RE: [pve-devel] corosync, multicast problem because of vmbr multicast_snooping enabled 

> >> multicast also does not work between updated nodes. 
> 
> 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. 

The really strange thing is that omping seems to work. So maybe multicast works, 
but corosync is broken. So it is maybe related to recent corosync updates?