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Actiontec Wireless Broadband Router User Manual
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Chapter 8 Using Advanced Settings
When adding a routing rule, the following parameters must be specified:
• Rule Name- Select the type of network from the drop-down list.
• Destination - The destination is the destination host, subnet address, net-
work address, or default route. The destination for a default route is 0.0.0.0.
• Netmask - The network mask is used in conjunction with the destination to
determine when a route is used.
• Gateway - Enter the Router’s IP address.
• Metric - A measurement of the preference of a route. Typically, the lowest
metric is the most preferred route. If multiple routes exist to a given destina-
tion network, the route with the lowest metric is used.
IGMP Multicasting
The Router provides support for IGMP multicasting, which allows hosts connected
to a network to be updated whenever an important change occurs in the network. A
multicast is simply a message that is sent simultaneously to a pre-defined group of
recipients. When joining a multicast group, all messages addressed to the group will
be received by the user, much like when an E-mail message is sent to a mailing list.
IGMP multicasting enables UPnP capabilities over networks and may also be useful
when connected to the Internet through the Router. When an application run-
ning on a computer in the network sends out a request to join a multicast group,
the Router intercepts and processes the request. If the Router is set to “Minimum
Security” no further action is required. However, if the Router is set to “Typical
Security” or “Maximum Security,” the group’s IP address must be added to the
Router’s “Multicast Groups” screen. This will allow incoming messages addressed to
the group to pass through the firewall and on to the correct networked computer.
1. Select Routing in the Advanced screen.
2. Activate the “Internet Group Management Protocol” check-box.
3. Click Apply.