NIC ports down on the nodes due to data switch reboot
Applies to
- ONTAP 9
- FAS/AFF Systems
- Network Interface Card (NIC)
Issue
- Multiple NIC ports configured for data go down at the same time on all the nodes.
- Event logs report the following:
Wed Mar 22 19:20:52 -0600 [Node-01: intr: netif.linkDown:info]: Ethernet e3a: Link down, check cable.
Wed Mar 22 19:20:52 -0600 [Node-01: intr: netif.linkDown:info]: Ethernet e3c: Link down, check cable.
Wed Mar 22 19:20:52 -0600 [Node-02: intr: netif.linkDown:info]: Ethernet e3a: Link down, check cable.
Wed Mar 22 19:20:52 -0600 [Node-02: intr: netif.linkDown:info]: Ethernet e3c: Link down, check cable.
Wed Mar 22 19:45:36 -0600 [Node-01: intr: netif.linkDown:info]: Ethernet e11a: Link down, check cable.
Wed Mar 22 19:45:36 -0600 [Node-01: intr: netif.linkDown:info]: Ethernet e11c: Link down, check cable.
Wed Mar 22 19:45:36 -0600 [Node-02: intr: netif.linkDown:info]: Ethernet e11a: Link down, check cable.
Wed Mar 22 19:45:36 -0600 [Node-02: intr: netif.linkDown:info]: Ethernet e11c: Link down, check cable.
- All the ports that go down are connected to the same data switches:
cluster1::> network device-discovery show
Node/ Local Discovered
Protocol Port Device Interface Platform
----------- ------ ------------------------- ---------------- ----------------
Node-01/cdp
e3a 5010-SW1-NX.example.com(SSXXXXXX1PD)
Ethernet100/1/17 N5K-C5010P-BF
e3c 5010-SW1-NX.example.com(SSXXXXXX1PD)
Ethernet100/1/18 N5K-C5010P-BF
e11a 5010-SW2-NX.example.com(SSXXXXXX1FD)
Ethernet100/1/2 N5K-C5010P-BF
e11c 5010-SW2-NX.example.com(SSXXXXXX1FD)
Ethernet100/1/3 N5K-C5010P-BF
Node-02/cdp
e3a 5010-Sw1-NX.example.com(SSI142311PD)
Ethernet100/1/19 N5K-C5010P-BF
e3c 5010-Sw1-NX.example.com(SSI142311PD)
Ethernet100/1/20 N5K-C5010P-BF
e11a 5010-SW2-NX.example.com(SSI142311FD)
Ethernet100/1/4 N5K-C5010P-BF
e11c 5010-SW2-NX.example.com(SSI142311FD)
Ethernet100/1/5 N5K-C5010P-BF
8 entries were displayed.