NetApp
Cluster : Configuration > Peers : Managing cluster peers : Editing cluster peer relationships
Editing cluster peer relationships
You can edit a cluster peer relationship to enable new nodes to participate in the intercluster communication.
Steps 
1.
From the home page, double-click the appropriate storage system.
2.
Expand the Cluster hierarchy in the left navigation pane.
3.
Click Configuration > Peers.
4.
Select the cluster peer and click Edit.
5.
In the Edit dialog box to edit the cluster peer relationship, make the necessary changes.
6.
Click OK.
7.
Verify the changes you made to the selected cluster peer in the Peers window.
After you finish 
If you modified the intercluster LIF IP address, you must update the LIF details in all the clusters peered with this cluster by using the CLI. Log in to the remote cluster as a cluster administrator and run the cluster peer modify command with the modified intercluster LIF IP address on all the remote clusters.

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