ActionTec Broadband Router RI408 User Manual page 47

Actiontec Broadband Router User Manual
• NAPT - Select this option to activate
Translation), which refers to network address translation involving the
mapping of port numbers and allows multiple machines to share a single
address. Use
NAPT
ogy 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 the
default route.
Multicast - IGMP Proxy Default Click in this check box to enable the Router to
issue (Internet Group Management Protocol) host messages on behalf of
IGMP
hosts the Router discovers through standard
the routing of multicast packets according to the
devices 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
connection.
PPPoE
if the local network contains multiple devices, a topol-
44
(Network Address and Port
NAPT
interfaces.
IGMP IGMP
requests of local network
IGMP
IP
proxy enables
WAN