Reviewing and Configuring the ARP Table

Reviewing and Configuring the ARP Table

Purpose

To review and configure the routing ARP table, to enable proxy ARP on an interface, and to set a MAC address on an interface.

Commands

For information about...

Refer to page...

 

 

show ip arp

19-12

 

 

arp

19-13

 

 

ip proxy-arp

19-14

 

 

arp timeout

19-15

 

 

clear arp-cache

19-15

 

 

show ip arp

Use this command to display entries in the ARP (Address Resolution Protocol) table. ARP converts an IP address into a physical address.

Syntax

show ip arp [ip-address][vlanvlan-id][output-modifier]

Parameters

ip‐address

(Optional) Displays ARP entries related to a specific IP address.

vlan vlan‐id

(Optional) Displays only ARP entries learned through a specific VLAN

 

interface. This VLAN must be configured for IP routing as described in

 

Pre‐Routing Configuration Tasks” on page 18‐1.

 

 

output‐modifier

(Optional) Displays ARP entries within a specific range. Options are:

begin ip‐address — Displays only ARP entries that begin with the specified IP address.

exclude ip‐address — Excludes ARP entries matching the specified IP address.

include ip‐address — Includes ARP entries matching the specified IP address.

Defaults

If no parameters are specified, all entries in the ARP cache will be displayed.

Mode

Any router mode.

19-12 IP Configuration

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Enterasys Networks 9034313-07 manual Reviewing and Configuring the ARP Table, Show ip arp