SRM 5.8, virtual appliance and replica network

Hi Guys,

i have 2 site in DR with SRM 5.8 and 2 VR Appliance and would routing all replication traffic on a dedicate network between the site but have some doubt.

Is it correct say that the replication traffic for a VM pass trought a VRApp01 on site1 > VRApp02 on site2 ?

If yes, can i setup a VRApp01/02 for use a dedicate network (no routing to other network) for the replica ?

Thanks in advance.