In the navigation tree, expand the Clusters node.
Expand the node for the cluster whose SNMP port number you want to change (for example, cluster1.
On the page for the cluster, select the Properties tab.
Select the Cluster Properties tab.
If the snmp-adapter-port property is in the Additional Properties list, specify the appropriate port number in the Value field, then go to step 7.
If the snmp-adapter-port property is not in the Additional Properties list, perform these steps:
Stop and restart the server.