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Unable to ping ESXi hosts, no iscsi connectivity
https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/Unable_to_ping_ESXi_hosts_no_iscsi_connectivity
Applies to ONTAP 9 CISCO UCS VMware ESXi Issue After Data ONTAP upgrade, lost connection from CISCO UCS to iSCSI LUNS. Ping from and to ESXi hosts from and to NetApp LIF is not working.

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