Reference Guide

interfaces, enter ipv6. To clear the counters of a specified group,
enter a VRID number from 1 to 255.
learning-limit (OPTIONAL) Enter the keywords learning-limit to clear
unknown source address (SA) drop counters when MAC learning
limit is configured on the interface.
Defaults Without an interface specified, the command clears all interface 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 8.4.1.0 Added support (E-Series only) for VRRP groups in a VRF instance.
Version 8.3.7.0 Introduced on the S4810.
Version 8.2.1.0 Added support for 4093 VLANs on the E-Series ExaScale. Prior to the
release, 2094 was supported.
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 6.5.1.0 Updated the definition of the learning-limit option for clarity.
Example
FTOS#clear counters
Clear counters on all interfaces [confirm]
Related
Commands
mac learning-limit — allows aging of MACs even though a learning-limit is configured or
disallow station move on learned MACs.
show interfaces — displays information on the interfaces.
clear dampening
Clear the dampening counters on all the interfaces or just the specified interface.
Z9500
Syntax
clear dampening [interface]
Parameters
interface (OPTIONAL) Enter any of the following keywords and slot/port or
number to clear counters from a specified interface:
• For a Port Channel interface, enter the keywords port-
channel
then a number. The range is from 1 to 128.
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