18
Troubleshooting ports
This section provides troubleshooting information for common port problems.
A 10-GE SFP+ fiber port or GE SFP fiber port fails
to come up
Symptom
A 10-GE SFP+ fiber port or GE SFP fiber port fails to come up.
Troubleshooting flowchart
Figure 5 Troubleshooting a link up failure on a fiber port
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
A fiber port failed to come up
Contact the support
Resolved?
Speed/duplex match
on local and peer port?
Speed/duplex
match on transceiver module and
port?
Local/peer port
operating correctly?
Transceiver
module/cable correct?
Fiber correct?
Configure matching
speed/duplex
Configure matching
speed/duplex
Replace local/peer port
Replace transceiver
module/cable
Replace fiber
Resolved?
Resolved?
Resolved?
Resolved?
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