OPC UA with redundancy

I’d like to know how OPC UA server will react to a topology with two AXC-2152 redundant. When the primary PLC goes down i lost my connection with the OPC tags. Do i need to make any specific configuration to solve this problem?

How are you implementing the redundancy?
If you are using the ASR app from the PLCnext Store, then you can get help with that app using the Contact button on the app page in the PLCnext Store.