Cluster setup - multicast storm?

[PanZvedavy]

Hi,
I just trying to setup 4 nodes cluster(meantime without HA), which was not problem after reading wiki. I want ask about nodes synchronisation which creates big amount of traffics on our network infrastructure.
I definitely dont expect such a multicast storm as its lead to sucessfully DOS our main router. In some topics here on forum its recommendet to use dedicated network or network card.
So how should I proceed? Just create brigde(vmbrX) from second network card(which was not use during installation) and create separate subnet for use with pvecm to create nodes links...whats the recommendation?

thx

 

[dietmar]

The cluster communication does not send much data, so what do you mean by 'multicast storm'?

 

[PanZvedavy]

Well, I did more testing and it looks like something wrong with one of nics on board. I didnt use this one before proxmox install, so this would be the real source of my problem, no cluster setup. Anyway thx.