Reference Guide

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
9.2(1.0) Introduced on the Z9500.
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 ExaScale.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
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).
Z9500
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. 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 512.
● 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
696 IPv4 Routing