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iSCSI LUNs not accessible due to network issue

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Applies to

  • NetApp AFF-A150
  • ONTAP 9.12.1P7
  • VMware ESXi / KVM/Proxmox
  • Dell network switches

Issue

  • Multiple ESXi/KVM/Proxmox hosts lost connectivity to NetApp storage.
  • Dell Switch not recognizing MAC addresses from affected hosts.
  • Data SVM, and its protocol services healthy.
  • Status of the associated LIF's and Network Ports are Online and Healthy

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