Users Guide
Version Description
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.1.1.0 Introduced on the E-Series.
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 specic interface or optionally delete (no-refresh) ARP entries from the content
addressable memory (CAM).
S4810
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 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.
• 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 trac 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.
780
IPv4 Routing