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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter 2 Alarm Troubleshooting
2.7.101 GFP-LFD
The GFP Extension Header Mismatch alarm is raised on Fibre Channel/fiber connectivity (FICON) GFP
ports when it receives frames with an extension header that is not null. The alarm occurs when a
provisioning error causes all GFP frames to be dropped for 2.5 seconds. To clear this alarm, ensure that
both end ports are sending a null extension header for a GFP frame.
Note For more information about Ethernet cards, refer to the Cisco ONS 15310-CL and Cisco ONS 15310-MA
Ethernet Card Software Feature and Configuration Guide.
Clear the GFP-EX-MISMATCH Alarm
Step 1 Ensure that the vendor equipment is provisioned to send a null extension header in order to interoperate
with the Fibre Channel/FICON GFP ports.
Step 2 If the GFP-EX-MISMATCH alarm does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447) to report
a Service-Affecting (SA) problem.
2.7.101 GFP-LFD
Default Severity: Major (MJ), Service-Affecting (SA)
SONET Logical Object: CE100T
The GFP Loss of Frame Delineation alarm applies to Fibre Channel/FICON GFP ports and occurs if
there is a bad SONET connection, if SONET path errors cause GFP header errors in the check sum
calculated over payload length (PLI/cHEC) combination, or if the GFP source port sends an invalid
PLI/cHEC combination. The loss is service affecting.
Note For more information about Ethernet cards, refer to the Cisco ONS 15310-CL and Cisco ONS 15310-MA
Ethernet Card Software Feature and Configuration Guide.
Clear the GFP-LFD Alarm
Step 1 Look for and clear any associated SONET path errors such as LOS or AIS-L originating at the transmit
node.
Step 2 If the GFP-LFD alarm does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447) to report
a Service-Affecting (SA) problem.
2.7.102 GFP-UP-MISMATCH
Default Severity: Major (MJ), Service-Affecting (SA)
SONET Logical Object: CE100T