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How the storage system interacts with an iSNS server

The storage system automatically registers its IP address, node name, and portal groups with the iSNS server when the iSCSI service is started and iSNS is enabled. After iSNS is initially configured, Data ONTAP automatically updates the iSNS server any time the storage system's configuration settings change.

There can be a delay of a few minutes between the time of the configuration change and the update being sent; you can use the iscsi isns update command to send an update immediately.