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Data port goes down after node reboot

Last Updated:

Applies to

  • ONTAP 9
  • AFF Systems
  • FAS Systems


  • A data port is down after a reboot of the node:
cluster::> system node run -node Node-01 -command sysconfig -a

slot 1: 1G/10G Ethernet Controller CNA EP 8324
(Multiple Dual-port, QLogic CNA 8324(8362) rev. 2)
e1a MAC Address:    02:a0:98:e9:c6:72 (auto-10g_sr-fd-up)
e1b MAC Address:    00:a0:98:e9:bd:f0 (auto-unknown-fd-down)

  • The following messages are seen in the event logs:

[Node-01: intr: netif.linkDown:info]: Ethernet e1b: Link down, check cable.
[Node-01: vifmgr: vifmgr.portdown:notice]: A link down event was received on node Node-01, port e1b.
[Node-01: vifmgr: vifmgr.reach.unassn:notice]: Network port e1b on node Node-01 is not assigned to any broadcast domain. No broadcast domains appear to be reachable from this port.
[Node-01: vifmgr: vifmgr.reach.skipped:notice]: Network port e1b on node Node-01 was not scanned for reachability because it was administratively or operationally down at the time of the scan.

  • The port remains down even after reseating the SFP and cable connected to it.

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