backup backup bone

Hi, how to make a backup backbone

I will like to create a new network to backup network. Means that all backup data is not flow on user/server network.

I have a backup server that is not virtuel - should it be in or out?

Explan step by step.

Vcenter change IP to backup network?

Management IP ?

VMhost change IP to backup network

All guest 2 nic one to org. network and one to backup network

OR how to???