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50 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Configuring basic port parameters
2
PowerConnect(config)# interface ethernet 2/1
PowerConnect(config-if-e10000-2/1)# no link-error-disable 10 3 10
Displaying ports configured with port flap dampening
Ports that have been disabled due to the port flap dampening feature are identified in the output of
the show link-error-disable command. The following shows an example output.
Use the show link-error-disable all command to display the ports with the port flap dampening
feature enabled.
For PowerConnect Stackable devices, the output of the command shows the following.
Table 10 defines the port flap dampening statistics displayed by the show link-error-disable all
command.
TABLE 10 Output of show link-error-disable
This column... Displays...
Port # The port number.
Threshold The number of times the port link state will go from up to down and
down to up before the wait period is activated.
Sampling-Time The number of seconds during which the specified toggle threshold can
occur before the wait period is activated.
Shutoff-Time The number of seconds the port will remain disabled (down) before it
becomes enabled. A zero (0) indicates that the port will stay down until
an administrative override occurs.
PowerConnect# show link-error-disable
Port 2/1 is forced down by link-error-disable.
PowerConnect# show link-error-disable all
Port8/1 is configured for link-error-disable
threshold:1, sampling_period:10, waiting_period:0
Port8/2 is configured for link-error-disable
threshold:1, sampling_period:10, waiting_period:0
Port8/3 is configured for link-error-disable
threshold:1, sampling_period:10, waiting_period:0
Port8/4 is configured for link-error-disable
threshold:1, sampling_period:10, waiting_period:0
Port8/5 is configured for link-error-disable
threshold:4, sampling_period:10, waiting_period:2
Port8/9 is configured for link-error-disable
threshold:2, sampling_period:20, waiting_period:0