Configuring B1/B2/B3 alarms for standard POS interfaces
B1, B2, and B3 bytes indicate the signal transmission performance of a line at different levels.
B1 alarm occurs if the bite error rate of a complete STM-N frame exceeds the B1 alarm threshold.
B2 alarm occurs if the bite error rate of an STM-1 frame exceeds the B2 alarm threshold.
B3 alarm occurs if the bite error rate of a multiplexed signal (VC3 or VC4 frame) in the STM-1 frame exceeds the B3 alarm threshold.
To generate SNMP notifications about these alarms, you must set the alarm thresholds and enable the notifications.
For more information about SNMP notifications, see Network Management and Monitoring Configuration Guide.
To configure the B1, B2, or B3 alarm for a standard POS interface:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter standard POS interface view. | interface pos interface-number | N/A |
3. Enable the SNMP notification about the B1, B2, or B3 alarm. | snmp-agent trap enable { b1-tca | b2-tca | b3-tca } | By default, SNMP notifications about B1, B2, and B3 alarms are enabled on a standard POS interface. |