Configuration Guide User guide
FastIron Configuration Guide 63
53-1002494-02
Basic port parameter configuration
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 FastIron Stackable devices, the output of the command shows the following.
For FastIron X Series devices, the output of the command shows the following.
Table 14 defines the port flap dampening statistics displayed by the show link-error-disable all
command.
TABLE 14 Output of show link-error-disable
Column Description
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.
Brocade# show link-error-disable
Port 2/1 is forced down by link-error-disable.
Brocade# 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
Brocade# show link-error-disable all
Port -----------------Config--------------- ------Oper----
# Threshold Sampling-Time Shutoff-Time State Counter
----- --------- ------------- ------------ ----- -------
11 3 120 600 Idle N/A
12 3 120 500 Down 424