Cisco Systems OL-4580-01 Updating ARP Parameters, Clearing ARP Parameters, # clear arp cache

Chapter 4 Configuring the Address Resolution Protocol

Updating ARP Parameters

Updating ARP Parameters

To update the file containing hosts reachable through ARP, use the update arp command. This command is available only in SuperUser mode.

For example:

#update arp file

Clearing ARP Parameters

The CSS enables you to clear ARP parameters for the ARP file or ARP cache. To clear the file that contains known hosts reachable through ARP, use the clear arp file command. This command is available only in SuperUser mode.

For example:

#clear arp file

Use the clear arp cache command to delete dynamic entries from the ARP cache. To specify an address for the single ARP entry you want to remove from the ARP cache, use the clear arp cache ip_or_host command. Enter the address in either dotted-decimal IP notation (for example, 192.168.11.1) or mnemonic host-name format (for example, myhost.mydomain.com).

For example:

#clear arp cache 192.168.11.1

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