Enable ARP on a Port or a VLAN

Enable ARP on the device so that it answers local ARP requests.

About this task

You can enable or disable ARP responses on the device. You can also enable ARP proxy, which lets a router answer a local ARP request for a remote destination.

Procedure

Enter Interface Configuration mode:

enable

configure terminal

interface GigabitEthernet {slot/port[/sub-port][-slot/port[/sub-port]][,...]} or interface vlan <1–4059>

Note

If the platform supports channelization and the port is channelized, you must also specify the sub-port in the format slot/port/sub-port.
Enable ARP on the device:

ip arp-response

Example

Switch:1>enable
Switch:1#configure terminal
Switch:1(config)#interface vlan 200
Switch:1(config-if)#ip arp-response