Reference Guide

IPv4 Routing | 471
Command Modes
INTERFACE
Command History
Related
Commands
clear arp-cache
z
Clear the dynamic ARP entries from a specific interface or optionally delete (no-refresh) ARP entries
from CAM.
Syntax
clear arp-cache [vrf name | interface | ip ip-address] [no-refresh]
Parameters
Command Modes
EXEC Privilege
Command History
clear host
z
Remove one or all dynamically learnt host table entries.
Syntax
clear host name
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on Z9000
show interfaces Displays the ARP timeout value for all available interfaces.
S6000
vrf name
Clear only the ARP cache entries tied to the VRF process.
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet
followed by the slot/port information.
• For the Management interface, enter the keyword
ManagementEthernet
followed by the slot/port information. The slot range is 0-1 and the port range is
0.
• For a Port Channel interface, enter the keyword
port-channel followed by a
number:
S-Series Range: 1-128
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
• For a VLAN, enter the keyword
vlan followed by a number from 1 to 4094.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by
the slot/port information.
ip ip-address
(OPTIONAL) Enter the keyword ip followed by the IP address of the ARP entry
you wish to clear.
no-refresh (OPTIONAL) Enter the keyword 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.
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on Z9000
S6000