Arp command

Arp:- Address Resolution Protocol (ARP) is a network layer protocol used to convert an IP address into a physical address (called a DLC address), such as an Ethernet address. A host wishing to obtain a physical address broadcasts an ARP request onto the TCP/IP network.

Arp parameters 

Examples

To display the ARP cache tables for all interfaces, type:

arp /a

To display the ARP cache table for the interface that is assigned the IP address 10.0.0.244, type:

arp /a /n 10.0.0.244

To add a static ARP cache entry that resolves the IP address 10.0.0.243 to the physical address 40-61-86-61-a7-2a, type:

arp /s 10.0.0.243 40-61-86-61-a7-2a