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6.1.2 Configuration Commands
6.1.2.1 arp
This command creates an ARP entry. The value for <ipaddress> is the IP address of a
device on a subnet attached to an existing routing interface. The value for <macaddress> is
a unicast MAC address for that device.
Syntax
arp <ipaddr> <macaddr>
no arp <ipaddr> <macaddr>
<ipaddr> - Is the IP address of a device on a subnet attached to an existing routing interface.
<macaddr> - Is a MAC address for that device. The format is 6 two-digit hexadecimal numbers that
are separated by colons, for example, 00:06:29:32:81:40.
no - This command deletes an ARP entry.
Default Setting
None
Command Mode
Global Config
6.1.2.2 ip proxy-arp
This command enables proxy ARP on a router interface. Without proxy ARP, a device only
responds to an ARP request if the target IP address is an address configured on the interface
where the ARP request arrived. With proxy ARP, the device may also respond if the target IP
address is reachable. The device only responds if all next hops in its route to the destination
are through interfaces other than the interface that received the ARP request.
Syntax
ip proxy-arp
no ip proxy-arp
no - This command disables proxy ARP on a router interface.
Default Setting
Enabled
Command Mode
Interface Config