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Data ports on multiple nodes connected to Cisco C9300 flapping

  1. Last updated
    Nov 8, 2021
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Category:
fas-systems
Specialty:
nas
Last Updated:
11/8/2021, 2:15:08 PM

Applies to

  • FAS/AFF systems
  • Cisco C9300-24UX switch

Issue

  • Data ports on multiple nodes connected to the Cisco C9300-24UX switch are flapping and unstable
  • Both nodes and switch have Speed/Duplex settings configured to Auto

Wed Oct 20 11:23:12 -0400 [node1: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0d: Link down, check cable.
Wed Oct 20 11:23:13 -0400 [node1: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Wed Oct 20 11:23:13 -0400 [node1: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0c: Link down, check cable.
Wed Oct 20 11:23:13 -0400 [node1: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet a0a: Link down, check cable.
Wed Oct 20 11:23:15 -0400 [node1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node1, port e0d.
Wed Oct 20 11:23:16 -0400 [node1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node1, port e0e.
Wed Oct 20 11:23:16 -0400 [node1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node1, port e0c.
Wed Oct 20 11:23:16 -0400 [node1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node1, port a0a.

Wed Oct 20 11:23:12 -0400 [node2: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0d: Link down, check cable.
Wed Oct 20 11:23:12 -0400 [node2: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0c: Link down, check cable.
Wed Oct 20 11:23:15 -0400 [node2: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node2, port e0d.
Wed Oct 20 11:23:15 -0400 [node2: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node2, port e0c.

 

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