
- 416 -
None
Command Mode
Privileged Exec
Display Message
IP address: Is the IP address of a device on a subnet attached to an existing routing interface.
MAC address: Is the MAC address for that device.
8.1.2 Configuration Commands
8.1.2.1 arp
This command creates a n ARP entry. The value for <ipaddress> is the IP add ress of a device on a subnet
attached to an existing routing interface. The value for <macaddre ss> is a unicast MAC address for that
device.
Syntax
arp <ipaddr> <ma caddr>
no arp <ipaddr> <macaddr>
<ipaddr> - Is the IP address of a device on a sub net attached to an existing ro uting interface.
<macaddr> - Is a MAC address for that device. The format is 6 two-digit hexad ecimal numbers that
are separated by colons, for example, 00:06:29:32:81:40.
no - This command delet es an ARP entry.
Default Setting
None
Command Mode
Global Config
8.1.2.2 ip proxy-arp
This command enables p roxy ARP on a router interface. Without proxy ARP, a device only responds to
an ARP request if the target IP address is an address configure d on the interface where th e ARP request
arrived. With proxy ARP, the device may also respond if the target IP address is rea cha ble. The device
only responds if all next hops in it s route to the destin ation are through interfaces other than t he interface
that received the ARP request.
Syntax
ip proxy-arp
no ip proxy-arp