
Configuring IP, ARP, RARP, RIP, and OSPF Services
4-8
308627-14.00 Rev 00
Enabling Proxy ARP on an Interface
Proxy ARP allows a router to answer a local ARP request for a remote destination.
For example, in Figure 4-1
, hosts B and C are located on the same network but on
separate subnetworks. Hosts B and C do not understand subnetworking. The
router connecting the two physical networks knows which host resides on which
network. The address mask is 255.255.255.000. In this example, one subnet is a
remote network with respect to the other subnet.
Figure 4-1. Proxy ARP Example
5. Set the
Ethernet Arp Encaps
parameter.
Click on
Help
or see the parameter
description on page A-12.
6. Click on
Apply
, and then click on
Done
. You return to the Configuration Manager
window.
Site Manager Procedure
(continued)
You do this System responds
140.250.250.0140.250.200.0
140.250.250.2140.250.200.2
140.250.200.1
00 002 00 00 01
140.250.200.1
00 002 00 00 01
140.250.250.3140.250.250.3
00 002 00 10 600 002 00 10 30
Router
Host
C
Host
A
Host
A
Host
B
IP0011A
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