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CIFS/ NFS access lost after switch upgrade

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Category:
ontap-9
Specialty:
nas
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Applies to

  • ONTAP 9
  • CIFS
  • NFS

Issue

  • Unable to access CIFS Shares and NFS exports after a switch upgrade.

[node-01: vifmgr: vifmgr.lifBeingRemoved:notice]: LIF svm2_NAS (on virtual server 5), IP address 10.0.0.1, is being removed from node node-01, port e0g.
[node-01: vifmgr: vifmgr.lifBeingRemoved:notice]: LIF svm-01 on virtual server 3), IP address 10.0.0.1, is being removed from node node-01, port e0g.


[node-02: vifmgr: vifmgr.lifBeingRemoved:notice]: LIF svm2_NAS (on virtual server 5), IP address 10.0.0.1, is being removed from node node-01, port e0g.
[node-02: vifmgr: vifmgr.lifBeingRemoved:notice]: LIF svm-01 on virtual server 3), IP address 10.0.0.1, is being removed from node node-01, port e0g.

  • Clients can access the LIF after a reboot, but go inaccessible again after the ARP cache timer expires.
  • Packet capture shows the ONTAP LIF is no getting ARP replies for client ip hosts, they are getting dropped after the ARP  cache timer expires

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