44 SBC session border controllers
Monitoring –> CPU load graph
To navigate between specific parameters in monitoring charts, use the buttons and . To facilitate
visual identification, all charts have different colors.
– TOTAL — the total percentage of CPU load;
– IO — the percentage of CPU time spent on I/O operations;
– IRQ — the percentage of CPU time spent on hardware interrupts processing;
– SIRQ — the percentage of CPU time spent on software interrupts processing;
– USR — the percentage of CPU time used by user programs;
– SYS — the percentage of CPU time used by kernel processes;
– NIC — the percentage of CPU time used by programs with a changed priority.
4.1.2.3 SFP modules monitoring
This section contains status indication and optical line parameters.
Monitoring –> SFP modules
– SFP port 0 status, SFP port 1 status — optical module status:
miniGBIC presence — module installation indication (module installed, module not in-
stalled);
Signal status — indication of signal loss (signal lost, in operation);
Temperature, °C — optical module temperature;
Voltage, V — optical module power supply voltage, V;
TX bias current, mA — bias current during transmission, mA;
Input power, mW — signal power at reception, mW;
Output power, mW — signal strength at transmission, mW.
4.1.2.4 Switch front port monitoring
The section displays information on the physical state of the switch ports: link availability, committed rate on
the port and transmission mode. If the port is a combo port (copper and optical connectors), the port number will
be marked "(SFP)". It disappears if the dual port is active and connected with a copper cable.
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