Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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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).

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 the interface information:
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port/subport[/subport] 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 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, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.4.(0.0)
Added support for VRF.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.5.1.0
Added support for 4-port 40G line cards on the E-Series.
8.3.7.0
Introduced on the S4810.
8.2.1.0
Added support for 4094 VLANs on the E-Series (the prior limit was 2094).
8.1.1.0
Introduced on the E-Series.
7.9.1.0
Introduced VRF 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.

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