CLI Guide

Version Description
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
pre-6.2.1.1 Introduced on the E-Series.
Related
Commands
• show interfaces — display the ARP timeout value for all available interfaces.
clear arp-cache
Clear the dynamic ARP entries from a specific interface or optionally delete (no-refresh) ARP entries
from the content addressable memory (CAM).
Syntax
clear arp-cache [vrf vrf-name | interface | ip ip-address] [no-
refresh]
Parameters
vrf vrf-name (OPTIONAL) Enter the keyword vrf and then the name of
the VRF to clear the ARP cache corresponding to that VRF.
interface (OPTIONAL) Enter the following keywords and slot/port or
number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet then the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
• For the Management interface on the stack-unit, enter
the keyword ManagementEthernet then the slot/port
information.
• For a port channel interface, enter the keywords port-
channel
then a number.
• For a VLAN interface, enter the keyword vlan then a
number from 1 to 4094.
ip ip-address (OPTIONAL) Enter the keyword ip then the IP address of
the ARP entry you wish to clear.
no-refresh (OPTIONAL) Enter the keywords no-refresh to delete the
ARP entry from CAM. Or use this option with interface or
ip ip-address to specify which dynamic ARP entries you
want to delete.
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IPv4 Routing