Reference Guide

• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE then the slot/port information.
Defaults Without an interface specified, the command clears all interface dampening counters.
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 7.4.1.0 Introduced on the E-Series.
Usage
Information
On the S4820T, after you enter the clear counters command and verify the results with
the show interfaces command, the line rate is not reset to 0.00%.
Example
FTOS#clear dampening gigabitethernet 1/2
Clear dampening counters on Gi 1/2 [confirm] y
FTOS#
Related
Commands
show interfaces dampening — displays interface dampening information.
dampening — configures dampening on an interface.
dampening
Configure dampening on an interface.
S4820T
Syntax
dampening [[[[half-life] [reuse-threshold]] [suppress-
threshold]] [max-suppress-time]]
Parameters
half-life Enter the number of seconds after which the penalty is decreased.
The penalty decreases half after the half-life period expires. The
range is from 1 to 30 seconds. The default is 5 seconds.
reuse-threshold Enter a number as the reuse threshold, the penalty value below which
the interface state is changed to “up”. The range is from 1 to 20000.
The default is 750.
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