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Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
Chapter 2 Alarm Troubleshooting
2.7.206 LOF (STSTRM)
Step 4 If the alarm does not clear, or if you need assistance conducting network troubleshooting tests, call
Cisco TAC to report a Service-Affecting (SA) problem 1 800 553-2447.
2.7.206 LOF (STSTRM)
Default Severity: Critical (CR), Service-Affecting (SA)
SONET Logical Object: STSTRM
A Loss of Frame alarm for an STS circuit termination indicates that the LOF has occurred at the
terminating point of the circuit (such as an OC-N port). It is similar to the “LOF (OCN)” alarm on
page 2-151.
Clear the LOF (STSTRM) Alarm
Step 1 Complete the “Clear the LOF (OCN) Alarm” procedure on page 2-151.
Step 2 If the 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 in order to report a Service-Affecting (SA)
problem.
2.7.207 LOF (TRUNK)
For information about this alarm or condition, refer to the “Alarm Troubleshooting” chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. This guide discusses all DWDM alarms.
2.7.208 LOGBUFR90
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: SYSTEM
The Log Buffer Over 90 alarm indicates that the per-NE queue of incoming alarm, event, or update
capacity of 5000 entries is over 90% full. LOGBUFR90 will clear if CTC recovers. If it does not clear,
the LOGBUFROVFL alarm occurs.
Note LOGBUFR90 is an informational alarm and does not require troubleshooting.
2.7.209 LOGBUFROVFL
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: SYSTEM
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