Solution; 40-Ge Qsfp+/Cfp Fiber Port Fails To Come Up; Symptom - HPE FlexNetwork 10500 SERIES Troubleshooting Manual

Solution

To resolve the problem:
1. Verify that the speed and duplex mode of the local port match the speed and duplex mode of
the peer port:
a. Execute the display interface brief command to examine whether the speed and duplex
mode of the port match the speed and duplex mode of the peer port.
b. If they do not match, use the speed command and the duplex command to set the speed
and duplex mode for the port.
2. Verify that the speed and duplex mode of the port match the speed and duplex mode of the
transceiver module:
a. Execute the display interface brief command to examine whether the speed and duplex
mode of the port match the speed and duplex mode of the transceiver module.
b. If they do not match, use the speed command and the duplex command to set the speed
and duplex mode for the port.
3. Verify that the local and peer ports are operating correctly:
a. Use a 10-GE SFP+ cable (or XFP transceiver module and fiber) to directly connect the local
port and another 10-GE SFP+ or XFP fiber port of the same interface module. A 10-GE
SFP+ cable is suitable for short connections.
b. If the local port can come up, replace the peer port with a new one to verify that the peer port
is operating correctly.
c. If the local port cannot come up, replace the local port with a new one to verify that the local
port is operating correctly.
4. Verify that the transceiver module is operating correctly:
a. Execute the display transceiver alarm interface command to examine the alarms present
on the transceiver module.
− The device displays None if no error occurs.
− The device displays alarms if the transceiver module fails or the type of the transceiver
b. Use an optical power meter to verify that the Tx power and Rx power of the transceiver
module are stable and are within the correct range.
c. Execute the display transceiver interface command to verify that the wavelength and
transmission distance of the local transceiver module are consistent with the wavelength
and transmission distance of the peer transceiver module.
d. If the transceiver module is not operating correctly, replace it with a new HPE transceiver
module that matches the fiber port.
For more information about transceiver modules, see related installation guides.
5. Verify that the fiber matches the transceiver module. If they do not match, replace the fiber with
a new one that matches the transceiver module.
6. If the problem persists, contact Hewlett Packard Enterprise Support.

40-GE QSFP+/CFP fiber port fails to come up

Symptom

A 40-Gigabit QSFP+/CFP fiber port cannot come up.
module does not match the port type.
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