ip proxy-arp

Description

Enables proxy ARP for the specified Layer 3 interface.

The no form of this command disables proxy ARP for the specified interface.

Default: Proxy ARP is disabled.

Command context

• config-if

• config-if-vlan

• config-lag-vlan

Authority

Administrators

Usage

Proxy ARP is supported on Layer 3 physical interfaces, LAG interfaces, and VLAN interfaces. It is disabled by default. To enable proxy ARP on an interface, routing must be enabled on that interface.

Examples

Enabling proxy ARP on interface 1/1/1:

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

Enabling proxy ARP on VLAN3:

switch# interface vlan 3
switch(config-if-vlan)# ip proxy-arp

Enabling proxy ARP on a LAG:

switch(config)# int lag 11
switch(config-lag-if)# ip proxy-arp

Disabling proxy ARP on interface 1/1/1:

switch# interface 1/1/1
switch(config-if)# no ip proxy-arp