NetMAXFAQ : New / Updated / Top 10 FAQs : Newest FAQs : How do I implement Proxy ARP on my NetMAX machine?
	Applies to: NetMAX 4.0x address-suppressed
	One of our more frequent questions in the NetMAX Support Department is how to implement Proxy ARP for Bridging network interfaces. If you have more than 1 static IP address in the same subnet, and want to use a NetMAX machine to route the addresses to other machines on your network, Proxy ARP is the way to go. The NetMAX configuration steps are below, however please note that your ISP will need to know the IP address of your NetMAX machine and that it will be routing the rest of your IP addresses. They can then set up the routing tables on their routers, allowing you to configure your NetMAX for bridging. First make sure your NetMAX is properly configured to be on the internet. Test this by pinging some web sites with the NetMAX. Under Network->Machines, add a machine for the computer that you will be routing traffic to. Specify the IP address that you want to assign it, and make sure to fill in the MAC address (or Hardware Address). This final step is the most important, as Proxy ARP will rely on this when routing traffic. Next, go to Network->Machine Groups, add a new group to use for Proxy ARP. Add the machine that you created in step 2 to this group. Navigate to Network->Routing->Bridge. This is where you will turn on bridging via Proxy ARP. For Proxy on Ethernet, choose your external network interface. This interface will be the one configured with an IP address and connected to your internet provider. The Physical Ethernet for Machines will be the network interface connected to your internal switch. All machines you are proxy arping for should also be connected to this switch. Choose the Machine Group you created during step 3 next. Add this entry, Store, and Commit the changes. Create firewall rules to allow the forwarding of traffic between the external interface and your proxy arped machine group. You will need forwarding rules on both the external interface as well as the interface the other machines are physically connected to. On machines you are Proxy Arping for, set their IP addresses to be what you specified for them when creating the Machine entry in the NetMAX interface. Set the default router for the machines being proxy arped to be the IP address of the external interface of the NetMAX machine. You should now be ready for testing. address-suppressed

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