DELL 9.8(0.0) User Manual

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).

S4820T

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.

(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. The slot range is from 0 to 1. 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 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

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.

IPv4 Routing

897