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ESXi APDs or poor performance only on ESX but not ONTAP due to duplicate VMKernel IPs

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Category:
ontap-9
Specialty:
nas
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Applies to

  • ONTAP 9
  • VMware ESXi
  • NFS

Issue

  • VMware ESXi client gets intermittent APD issue
  • ARP requests showing duplicates:
    ESXi APDs      

 

3968 14:20:53.560664 Vmware_65:55:47 Broadcast ARP Who has 10.10.10.20? Tell 10.10.10.10 (duplicate use of 10.10.10.10 detected!)
3969 14:20:53.560677 02:a0:98:91:c3:0b Vmware_65:55:47 ARP 10.10.10.20 is at 02:a0:98:91:c3:0b (duplicate use of 10.10.10.10 detected!)
  • TCP resets are seen in a different TCP stream
    ESXi APDs
  • Duplicate IP address packets are seen
    ESXi APDs

 

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