Configuring proxy ARP

Prerequisites
A layer 3 interface, layer 3 VLAN, or LAG.
Procedure
  1. Switch to configuration context with the command config.
  2. Switch to a layer 3 interface with the command interface, or to a layer 3 VLAN with the command interface vlan or to a LAG with the command interface lag.
  3. Enable local proxy ARP with the command ip proxy-arp.

Example

This example configures local proxy ARP on interface 1/1/2. 

switch# config
switch(config)# interface 1/1/2
switch(config-if)# ip proxy-arp

This example configures local proxy ARP on VLAN 30. 

switch# config
switch(config)# interface vlan 30
switch(config-vlan-30)# ip proxy-arp

This example configures local proxy ARP on LAG 5. 

switch# config
switch(config)# interface lag 5
switch(config-vlan-30)# ip proxy-arp