Sencore VB330, User Manual

Page: 188 / 203

A Appendix: VB330 Versus VBC Alarms
The VB330 10G Probe alarms are independent of the VideoBRIDGE Controller alarms. The 10G Probe
has been designed to yield instantaneous alarms based on the current measurements. This typically
results in lots of short-lived alarms that would be “too much” for the VBC to report, as the VBC may control
a large number of 10G Probes. The VBC therefore generates alarms based on error-second statistics
gathered from 10G Probes during a selectable time period (default 60 minutes – sliding window).
This means that comparing the probe alarm list and the VBC alarm list is not very meaningful.
Ethernet measurement data are sent from the 10G Probe together with Ethernet error-second threshold
values (as set in the 10G Probe
Setup — VBC thresh. view). The VBC monitors the error seconds for
each parameter and will raise an alarm provided that the error-seconds figure exceeds the threshold
value, as monitored during the windowing period.
Probe
VBC
VBC
Thresholds
VBC
Alarm
Settings
VBC
Alarms
ETH Multicast
ETH Measurements
Figure A.1: VBC alarming based on 10G Probe measurements
188 VB3xx 10G Probe User’s Manual version 5.3