Appliance port traffic must be allowed on uptream switches in case of below scenario:-
1. If storage must be accessed outside of the UCS domain.
2. If storage and servers are located in different subnets.
3. If storage is configured in Active/Passive mode and both fabric interconnects require communication to the same controller.
1. If storage must be accessed outside of the UCS domain.
2. If storage and servers are located in different subnets.
3. If storage is configured in Active/Passive mode and both fabric interconnects require communication to the same controller.