Users Guide

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 the interface
information:
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port[/subport]
information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE 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.
NOTE: Transit traffic may not be forwarded during the
period when deleted ARP entries are resolved again and
re-installed in CAM. Use this option with extreme
caution.
Command Modes EXEC Privilege
IPv4 Routing 970