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Why are unused ISLs on MetroCluster Switches down
https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/Why_are_unused_ISLs_on_MetroCluster_Switches_down
Applies to MetroCluster ONTAP 9 Answer For better monitoring, they need to be disabled as described in the documentation. Additional Information additionalInformation_text

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