Netgear M4100-26G (GSM7224v2h2) - 22‐port GE + 4 GE Combo L2 Managed Switch Administrator's Guide

Proxy ARP allows a router to answer ARP requests when the target IP address is not that of 
the router itself but a destination that the router can reach. If a host does not know the default 
gateway, proxy ARP can learn the first hop. Machines in one physical network appear to be 
part of another logical network. Without proxy ARP, a router responds to an ARP request only 
if the target IP address is an address configured on the interface where the ARP request 
arrived.

The following are examples of the commands used in the proxy ARP feature.

(Netgear Switch) #show ip interface ?

<slot/port>              Enter an interface in slot/port format.

brief                    Display summary information about IP configuration

                         settings for all ports.

(Netgear Switch) #show ip interface 0/24

Routing Mode................................... Disable

Administrative Mode............................ Enable

Forward Net Directed Broadcasts................ Disable

Proxy ARP...................................... Disable

Active State................................... Inactive

Link Speed Data Rate........................... Inactive

MAC Address.................................... 08:00:17:05:05:02

Encapsulation Type............................. Ethernet

IP MTU......................................... 1500

(Netgear Switch) (Interface 0/24)#ip proxy-arp ?

<cr>                     Press Enter to execute the command.

(Netgear Switch) (Interface 0/24)#ip proxy-arp