Sorry,

- When Unity has 2 or more replication interface, Unity should see all the network async replication ports on the  destination Unity? If correct, there are any workaround ?

- I think if Unity select replication interface for each "Replication Connection", 2:1 replication can be success. Please tell the way to do that.

Hi Rainer,

Replication configuration.

Site1 to replication target site.

Site2 to replication target site.

When the target site Unity has 2 replication interface(and connection), should the target site Unity see(and/or routing) all  the network async replication ports?

I dont understand - is there a question ?

yes if you are replicating from A to B than both systems need to be able to reach each other - both on mgmt network and replication mgmt/data ports

details on ports used are in the Unity security configuration guide

IMHO the setup in your picture should work IF you arent replication from source site 1 to source site 2

If it doesnt work open a service request so that it can be troubleshooted why

if you dont replicate between site1 and site2 that shouldnt be necessary

you can set this up in a lab using VSA's to verify