Administrator 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).
C9000 Series
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 4096.
● 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.
● For a port extender (PE) Gigabit Ethernet interface, enter the keyword peGigE
then the pe-id / stack-unit / port-id information.
● For a port extender 10-Gigabit Ethernet interface, enter the keyword
peTenGigE then the pe-id / stack-unit / port-id information. The pe-id range
is from 0 to 255; the stack-unit unit-number range is from 0 to 7; and the port-
id range is 25 to 28 or 49 to 52 depending on the PE.
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 reinstalled in CAM. Use this option with
extreme caution.
Command Modes EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.13.0.1P1 Introduced peTenGigE interface support on the C9010.
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Added support for 4094 VLANs on the E-Series ExaScale (the prior limit was
2094).
IPv4 Routing 905