Cisco cluster switch ISL ports are down
Applies to
- ONTAP 9
- N9K-C9336C-FX2
Issue
- Post setup of the new Cisco cluster switches, ISL ports are showing down.
Switch 1
`show interface brief`
--------------------------------------------------------------------------------
Ethernet VLAN Type Mode Status Reason Speed Port
Interface Ch #
--------------------------------------------------------------------------------
Eth1/35 1 eth trunk down Link not connected auto(D) 1
Eth1/36 1 eth trunk down Link not connected auto(D) 1Switch 2
`show interface brief`
--------------------------------------------------------------------------------
Ethernet VLAN Type Mode Status Reason Speed Port
Interface Ch #
--------------------------------------------------------------------------------
Eth1/35 1 eth trunk down Link not connected auto(D) 1
Eth1/36 1 eth trunk down Link not connected auto(D) 1 - One of the interfaces on both the switches show "transceiver is not supported".
Switch 1
Ethernet1/35
transceiver is not supportedCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableEthernet1/36
transceiver is present
type is QSFP-100G-PCC
name is Molex
part number is 112-00574
revision is B0
serial number is 93A2232621382
nominal bitrate is 25500 MBit/sec
Link length supported for copper is 2 m
cisco id is 17
cisco extended id number is 0DOM is not supported
Switch 2`show interface transceiver detail`Ethernet1/35
transceiver is not supportedCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableCalibration info not availableEthernet1/36
transceiver is present
type is QSFP-40G-CR4
name is CISCO-JPC
part number is P3007U101000-1
revision is A0
serial number is JPC25090339-A
nominal bitrate is 10300 MBit/sec per channel
Link length supported for copper is 1 m
cisco id is 13
cisco extended id number is 16
cisco part number is 37-1322-03
cisco product id is QSFP-H40G-CU1M
cisco version id is V03DOM is not supported -
Below events are seen in show logging.
`show logging log`
SW1 %ETHPORT-3-IF_UNSUPPORTED_TRANSCEIVER: Transceiver on interface Ethernet1/35 is not supported
SW2 %ETHPORT-3-IF_UNSUPPORTED_TRANSCEIVER: Transceiver on interface Ethernet1/35 is not supported -
The cable used is supported as per the hardware universe.