Cisco ONS 15454 Troubleshooting Manual page 313

Chapter 2 Alarm Troubleshooting
2.7.154 GFP-LFD
The GFP Loss of Frame Delineation alarm applies to Fibre Channel, FICON GFP, and Ethernet ports.
This alarm 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 causes traffic stoppage.
Note For more information about Ethernet cards, refer to the Cisco ONS 15454 and
Cisco ONS 15454 SDH 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.
If the GFP-LFD alarm does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or call Cisco TAC 1 800 553-2447 to report a
Service-Affecting (SA) problem.
2.7.155 GFP-NO-BUFFERS
The GFP Fibre Channel Distance Extension Buffer Starvation alarm is raised on Fibre Channel/FICON
card ports supporting GFP and the distance extension protocol when the GFP transmitter cannot send
GFP frames due to lack of remote GFP receiver buffers. This occurs when the remote GFP-T receiver
experiences congestion and is unable to send frames over the Fibre Channel/FICON link.
This alarm could be raised in conjunction with the
example, if the FC-NO-CREDITS alarm is generated at an FC_MR-4 data port, a GFP-NO-BUFFERS
alarm could be raised at the upstream remote FC_MR-4 data port.
For more information about Ethernet cards, refer to the Cisco ONS 15454 and
Note
Cisco ONS 15454 SDH Ethernet Card Software Feature and Configuration Guide.
Clear the GFP-NO-BUFFERS Alarm
Complete the
Step 1
November 2009
Default Severity: Major (MJ), Service-Affecting (SA)
SONET Logical Objects: CEMR, CE1000, CE100T, FCMR, GFP-FAC, ML1000, ML100T, MLFX
Default Severity: Major (MJ), Service-Affecting (SA)
SONET Logical Objects: FCMR, GFP-FAC
"Clear the FC-NO-CREDITS Alarm" procedure on page
"FC-NO-CREDITS" alarm on page
2-101.
Cisco ONS 15454 Troubleshooting Guide, R8.5
2.7.154 GFP-LFD
2-101. For
2-119