Configuration Guide Configuring ARP
Figure 2-1
A is a router.
B is a switch. It acts as the gateway.
C, D, and E are hosts.
Deployment
Enable ARP in a LAN to implement IP-MAC mapping.
2.2.2 Proxy ARP-based Transparent Transmission
Scenario
Transparent transmission across IPv4 LANs is performed.
Enable Proxy ARP on the router to achieve direct communication between users in different network segments.
Figure 2-2
A is a router connecting two LANs.
B and C are hosts in different subnets. No default gateway is configured for them.
Deployment
Enable Proxy ARP on the subnet gateway. After configuration, the gateway can act as a proxy to enable a host
without any route information to obtain MAC addresses of IP users in other subnets.
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