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Network port down with QSFP reporting no RX power

Last Updated:

Applies to

  • ONTAP 9
  • XL710 Ethernet ports, hardware components:
    • X91440A NIC
    • X1144A NIC
    • X1147A NIC
    • AFF A700s onboard Ethernet ports


  • Network port down

slot 8: 10/40 Gigabit Ethernet Controller XL710 QSFP+        
e8e MAC Address:    d0:39:ea:4b:67:72 (auto-unknown-fd-down)            
QSFP Vendor:                     
QSFP Part Number:                
QSFP Serial Number:          
Device Type:        XL710 B1        
Firmware Version:   fw 5.20 nvm 5.05 etid 80008d4d        
Part Number:        111-02590        
Hardware Revision:  B0        
Serial Number:      032139001292

  • AutoSupport file ifconfig-vvvm shows no receive power on the QSFP:

e8e: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
lane 1: RX: 0.00 mW (-24.32 dBm) TX: 0.38 mW (-4.18 dBm)
lane 2: RX: 0.00 mW (-40.00 dBm) TX: 0.38 mW (-4.18 dBm)
lane 3: RX: 0.00 mW (-40.00 dBm) TX: 0.38 mW (-4.11 dBm)
lane 4: RX: 0.00 mW (-21.80 dBm) TX: 0.41 mW (-3.87 dBm)

  • Cable has been confirmed to be connected at both ends

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