C
HAPTER
27
| Interface Commands
Transceiver Threshold Configuration
– 991 –
DEFAULT SETTING
High Alarm: 100 mA
HIgh Warning: 90 mA
Low Warning: 7 mA
Low Alarm: 6 mA
COMMAND MODE
Interface Configuration (Ethernet)
COMMAND USAGE
◆ If trap messages are enabled with the transceiver-monitor command,
and a high-threshold alarm or warning message is sent if the current
value is greater than or equal to the threshold, and the last sample
value was less than the threshold. After a rising event has been
generated, another such event will not be generated until the sampled
value has fallen below the high threshold and reaches the low
threshold.
◆ If trap messages are enabled with the transceiver-monitor command,
and a low-threshold alarm or warning message is sent if the current
value is less than or equal to the threshold, and the last sample value
was greater than the threshold. After a falling event has been
generated, another such event will not be generated until the sampled
value has risen above the low threshold and reaches the high threshold.
◆ Threshold events are triggered as described above to avoid a hysteresis
effect which would continuously trigger event messages if the power
level were to fluctuate just above and below either the high threshold
or the low threshold.
◆ Trap messages enabled by the transceiver-monitor command are sent
to any management station configured by the snmp-server host
command.
EXAMPLE
The following example sets alarm thresholds for the transceiver current at
port 1.
Console(config)interface ethernet 1/25
Console(config-if)#transceiver-threshold current low-alarm 100
Console(config-if)#transceiver-threshold rx-power high-alarm 700
Console#
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