Administrator Guide

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.
pre-Version
6.2.1.1
Introduced on the E-Series.
Related
Commands
show interfaces — displays 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).
Z9000
Syntax
clear arp-cache [interface | ip ip-address] [no-refresh]
Parameters
interface (OPTIONAL) Enter the following keywords and slot/port or
number information:
• For the Management interface, enter the keyword
ManagementEthernet then the slot/port information.
The slot range is from 0 to 1 and the port range is 0.
• For a Port Channel interface, enter the keywords port-
channel
then a number. The range is from 1 to 128.
• 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 a VLAN, 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.
722
IPv4 Routing