SnapMirror over Fibre Channel requires traffic to occur in a dedicated zone.
In a typical SAN, SnapMirror traffic shares the same physical network with other Fibre Channel traffic. Zoning enables you to partition the servers and storage into different groups, and to enforce access privileges to these groups.
SnapMirror over Fibre Channel supports both WWN zoning and physical port number zoning. When you have a multipath setup, you should use a separated zone for each data path, as shown in the following figure: