[PVE-User] Adding a cluster node breaks whole cluster

[Dietmar Maurer]

> As I told you, we used dumb Linksys switch for cluster communication and 
> it all worked for weekend and yesterday. And yesterday evening whole 
> cluster is red again
> 
> Yesterday's log: http://pastebin.com/sLpnGgeS
> Pure corosync log: http://pastebin.com/TzyUdYaJ
> 

Maybe a problem with packet fragmentation. Do you use special MTU sizes?