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Configuring ARP ARP Configurations
User Guide 627
Step 2
There are three types of Layer 3 interface can be enabled with Proxy ARP: routed port, port-
channel and VLAN interface.
interface { fastEthernet
port
| range fastEthernet
port-list
| gigabitEthernet
port
| range
gigabitEthernet
port-list
| ten-gigabitEthernet
port
| ten-range gigabitEthernet
port-list
|
port-channel
port-channel
| range port-channel
port-channel-list
|}
no switch port
Enter interface configuration mode and change the port or port-channel to be a Layer 3
interface.
Interface vlan
vlan
-
id
Enter the vlan interface configuration mode.
vlan
-
id:
Enter the interface VLAN ID.
Step 3 ip proxy-arp
Enable Proxy ARP function on the specified Layer 3 interface..
Step 4 show ip proxy-arp
Show the Proxy ARP configuration..
Step 5 end
Return to privileged EXEC mode.
Step 6 copy running-config startup-config
Save the settings in the configuration file.
This example shows how to enable Proxy ARP function for VLAN interface 1:
Switch#configure
Switch(config)#interface vlan 1
Switch(config-if)#ip proxy-arp
Switch(config-if)#show ip proxy-arp
Interface IP Address IP Mask Status
----------- --------------- --------------- --------
vlan 1 192.168.0.1 255.255.255.0 Enabled
Switch(config-if)#end
Switch#copy running-config startup-config
â– Configuring Local Proxy ARP
Follow these steps to Local Proxy ARP on the VLAN interface, routed port or port channel.
Step 1 configure
Enter global configuration mode.
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