Data/Network port is down even after swapping with working SFP
Applies to
- AFF systems
- FAS systems
Issue
- Link down event on a data port:
Sat Jul 10 16:47:39 PDT [Node-name: intr: netif.linkDown:info]: Ethernet e0g: Link down, check cable.
Sat Jul 10 16:47:41 PDT [Node-name: vifmgr: vifmgr.portdown:notice]: A link down event was received on node Node-name, port e0g.
- SFP/cable reseated
- Port remains down even after swapping SFP/cable with confirmed working one:
slot 0: Dual 40/100G Ethernet T62100-SABR
e0g MAC Address: d0:39:ea:20:df:ef (auto-unknown-fd-down)
QSFP Vendor:
QSFP Part Number:
QSFP Serial Number:
- Both node and front-end switch power cycled, port remains down
- Port on switch side is confirmed operational by connecting to working port on node
- Replaced SFP, but Serial Number remains old SFP serial number