Chapter 11
| Interface Commands
Transceiver Threshold Configuration
– 368 –
Command Mode
Interface Configuration (
SFP/
SFP+ Ports)
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 1/1
Console(config-if)#transceiver-threshold current low-alarm 100
Console(config-if)#transceiver-threshold rx-power high-alarm 700
Console#
transceiver-threshold
rx-power
This command sets thresholds for the transceiver power level of the received signal
which can be used to trigger an alarm or warning message.
Syntax
transceiver-threshold rx-power
{
high-alarm
|
high-warning
|
low-alarm
|
low-warning
} threshold-value
high-alarm
– Sets the high power threshold for an alarm message.
high-warning
– Sets the high power threshold for a warning message.
low-alarm
– Sets the low power threshold for an alarm message.
low-warning
– Sets the low power threshold for a warning message.
threshold-value – The power threshold of the received signal.
(Range: -4000 - 820 in units of 0.01 dBm)
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