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Disaster recovery with SnapMirror IP address based verification and IPv6 addresses

During disaster recovery configuration, if the option snapmirror.checkip.enable is set to On on the source storage system, and the IPv6 address of the source storage system is used for communication, SnapMirror requires the IPv6 address of the destination storage system to set up a SnapMirror relationship.

You must specify the destination storage system’s IPv6 address in the list of allowed addresses for the SnapMirror relationship on the source storage system. You can add the destination storage system’s IPv6 address either to the snapmirror.access option or to the /etc/snapmirror.allow file if the snapmirror.access option is set to legacy.

For more information about the snapmirror.checkip.enable option, see the Data ONTAP Data Protection Online Backup and Recovery Guide for 7-Mode.