one DC is primary and other is secondary, If DC-1 is down in any case e.g power failure, services will be accessed from DC-2 so inter-vlan addressing is necessary to be defined on both switches..
one DC is primary and other is secondary, If DC-1 is down in any case e.g power failure, services will be accessed from DC-2 so inter-vlan addressing is necessary to be defined on both switches..