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NetApp Knowledge Base

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

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150
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nfs
Last Updated:

Applies to

  • ONTAP 9
  • VMware ESXi
  • NFS

Issue

  • VMware ESXi client gets intermittent APD issue
  • ARP requests showing duplicates:
    Wireshark1.png      

 

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
    wireshark2.png
  • Duplicate IP address packets are seen
    wireshark3.png

 

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