https://www.ibm.com/docs/en/ibm-mq/9.1.x?topic=ctocgqm-adding-cluster-cluster-transmit-queue-isolate-cluster-message-traffic-sent-from-gateway-queue-manager
Adding a cluster and a cluster transmit queue to isolate cluster message traffic sent from a...
Modify the configuration of overlapping clusters that use a gateway queue manager. After the modification messages are transferred to an application from the...
adding a cluster