A 25-Ge Sfp28 Fiber Port Fails To Come Up; Symptom; Troubleshooting Flowchart - H3C S6805 Series Troubleshooting Manual

For more information about fibers, see the installation guide for the switch.
7. If the issue persists, contact H3C Support.

A 25-GE SFP28 fiber port fails to come up

Symptom

A 25-GE SFP28 fiber port fails to come up.

Troubleshooting flowchart

Figure 7 Troubleshooting link up failure on a copper port
A 25-GE SFP28 fiber port fails to come up
Speed/duplex match on local and
Speed/duplex match on transceiver
module/cable and port?
FEC mode/training status match on
local and peer ports?
Media type and transceiver
module/cable match?
Local/peer port operating correctly?
Transceiver module/cable correct?
Fiber correct?
Contact the support
No
peer ports?
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Configure matching
duplex/speed
Configure matching
duplex/speed
Configure matching FEC
mode/training status
Configure matching media
type
Replace local/peer port
Replace transceiver
module/cable
Replace fiber
24
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
End