Proxy Address Resolution Protocol (Arp); Overview - NETGEAR GSM7248NA Administration Manual

7000 series managed switch
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Enable OSPF for the ports and set the OSPF priority and cost for the ports.
(Netgear Switch) #config
(Netgear Switch) (Config)#interface 1/0/2
(Netgear Switch) (Interface 1/0/2)#ip ospf
(Netgear Switch) (Interface 1/0/2)#ip ospf areaid 0.0.0.2
(Netgear Switch) (Interface 1/0/2)#ip ospf priority 128
(Netgear Switch) (Interface 1/0/2)#ip ospf cost 32
(Netgear Switch) (Interface 1/0/2)#exit
(Netgear Switch) (Config)#interface 1/0/3
(Netgear Switch) (Interface 1/0/3)#ip ospf
(Netgear Switch) (Interface 1/0/3)#ip ospf areaid 0.0.0.2
(Netgear Switch) (Interface 1/0/3)#ip ospf priority 255
(Netgear Switch) (Interface 1/0/3)#ip ospf cost 64
(Netgear Switch) (Interface 1/0/3)#exit
(Netgear Switch) (Config)#interface 1/0/4
(Netgear Switch) (Interface 1/0/4)#ip ospf
(Netgear Switch) (Interface 1/0/4)#ip ospf areaid 0.0.0.2
(Netgear Switch) (Interface 1/0/4)#ip ospf priority 255
(Netgear Switch) (Interface 1/0/4)#ip ospf cost 64
(Netgear Switch) (Interface 1/0/4)#exit
(Netgear Switch) (Config)#exit

Proxy Address Resolution Protocol (ARP)

This section describes the Proxy Address Resolution Protocol (ARP) feature.

Overview

Proxy ARP allows a router to answer ARP requests where the target IP address is not 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 will only respond to an ARP request if the target IP address is an
address configured on the interface where the ARP request arrived
IP Routing Services
NETGEAR 7000 Series Managed Switch Administration Guide Version 6.0
v1.0, Jan 2007
7-21

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