FC link down

• ONTAP 9
• Cisco MDS 9148S

• Connected FC port on Cisco MDS switch is down and when enabling it goes down after about a minute
• Verified cable is connected correctly in switch-side SFP and storage controller target adapter port SFP
• Network interface status for LIF is admin up, oper down and status-extended Waiting for link

::> network interface show -data-protocol fcp
            Logical    Status     Network            Current       Current Is
Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
----------- ---------- ---------- ------------------ ------------- ------- ----
vs1
            lif        up/down    20:xx:xx:xx:xx:xx:xx:xx nodename 10c true

::> network interface show -data-protocol fcp -fields status-admin,status-oper,status-extended
vserver     lif                status-oper status-extended   status-admin
----------- ------------------ ----------- ----------------- ------------
vs1         lif                down        Waiting for Link. up       

Note: Alternatively, use network interface show -data-protocol fcp -fields status-admin,status-oper,status-extended,curr-port

• Confirm physical port status

::> network fcp adapter show
                     Connection  Port      Admin   Operational
Node         Adapter Established Address   Status  Status
------------ ------- ----------- --------- ------- -----------------------
node
             10c      true        0         up      link disconnected

• SFP in target adapter is reported with no signal power and being out of range

::> fcp adapter show -instance -node node -adapter 10c
[...]
        Received Optical Power: 0 (uWatts)
    Is Received Power In Range: false
 SFP Transmitted Optical Power: 0 (uWatts)
        Is Xmit Power In Range: false
[...]