100-Ge Cfp Fiber Port Fails To Come Up; Symptom; Troubleshooting Flowchart - HP FlexFabric 12900 series Troubleshooting Manual

d. If the transceiver module or cable is not operating correctly, replace it with a new HP
transceiver module or cable that matches the fiber port.
For more information about transceiver modules and cables, see the installation guide for the
switch.
IMPORTANT:
If a QSFP+ to SFP+ cable is used, use an optical attenuator to make sure the Tx power of the QSFP+
module stays below the Rx power of the SFP+ module.
3. 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.
4. If the problem persists, contact HP Support.

100-GE CFP fiber port fails to come up

Symptom

A 100-GE CFP fiber port fails to come up.

Troubleshooting flowchart

Figure 15 Troubleshooting link up failure on a port
A port failed to come up
Transceiver
module correct?
Yes
Fiber correct?
Yes
Local port operating
Yes
Peer port operating
Yes
Contact the support
No
No
No
correctly?
No
correctly?
Replace transceiver
module
Replace fiber
Replace local port
Replace peer port
41
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
End