Chapter 4 Using Network Connections
•NAPT - Select this option to activate NAPT (Network Address and Port Translation), which refers to network address translation involving the mapping of port numbers and allows multiple machines to share a single IP address. Use NAPT if the local network contains multiple devices, a topology that necessitates port translation in addition to address translation.
Device Metric The device metric is a value used by the Router to determine whether one route is superior to another, considering parameters such as band- width, delay, and more.
Default Route Click in this check box to define the connection as a the default route.
Multicast - IGMP Proxy Default Click in this check box to enable the Router to issue IGMP (Internet Group Management Protocol) host messages on behalf of hosts the Router discovers through standard IGMP interfaces. IGMP proxy enables the routing of multicast packets according to the IGMP requests of local network devic- es asking to join multicast groups.
Routing Table
Clicking New Route generates the “New Route” window, where a new route can be configured.
Internet Connection Firewall
Click in the “Enabled” check box to activate the Router’s firewall on the WAN PPPoE connection.
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