Address Resolution Protocol
ARP is a protocol that can obtain the information of a MAC address from the destination IP address.
This is one of the basic protocols in the AG/AR series. (The other basic protocols are IPv4, UDP and TCP.)
Example of executing the command
The following example shows a list of devices displayed on Linux.
The MAC address corresponding to the IP address is displayed. (This correspond to the existing command, "arp -a".)
admin@amnimo:~$ ip n
192.168.1.18 dev eth0 lladdr ff:ff:ff:ff:ff:ff STALE ← The MAC address is an example.
192.168.1.10 dev eth0 lladdr bb:bb:bb:bb:bb;bb REACHABLE
The contents of the ARP table are displayed on a Windows PC.
Interface: 192.168.10.1 --- 0x6
Internet Address Physical Address Type
192.168.10.254 bb-bb-bb-bb-bb-bb dynamic
192.168.10.255 ff-ff-ff-ff-ff-ff dynamic
What is Proxy ARP?
Proxy ARP is a function to send an ARP response to an ARP request addressed to other devices on behalf of the original contact destination. Using Proxy ARP will enable devices on a subnet to reach another remote subnet without configuring the routing settings and a default gateway.
This function is supported on the AG/AR series.