65xx-A1 Family Router Users Guide
47
Enable NAT
must be checked for Fullcone NAT to be used.
Enable Fullcone NAT
: RFC 3489 defines four types of Network Address Translation
(NAT). Fullcone NAT. As with other types of NAT there is a mapping from a public IP
address to a private IP address. The external public IP address is extended with the
external port. With Fullcone NAT once the mapping is created any external host may
send packets to the private IP address by sending to the external IP address and port.
Other types of NAT have restrictions such as the sending IP address must initially have
had packets sent from the private IP address and port regardless of the external port, or
from the private IP address and the external port.
Enable Firewall
: Enables Firewall.
Enable IGMP Multicast
: Configures the router for IGMP snooping so the router can keep
limit multicast traffic.
7.
On the Routing — Default Gateway page set the priority of WAN interfaces used as default
gateways then click Next
If multiple WAN interfaces are configured, you can define the priority by their position in the
Selected Default Gateway Interfaces
window. Top is the highest priority; bottom the
lowest.
Change the priority order by removing all items from the
Selected Default Gateway
Interfaces
window by selecting them, then clicking the right arrow button. Select the items in
the priority order, then click the left arrow to move them into the
Selected Default Gateway
Interfaces
window.
8.
On the DNS Server Configuration page set the priority of WAN interfaces to be used as
DNS server interfaces then click Next
If multiple WAN interfaces are configured, you can define the priority by their position in the
Selected DNS Server Interfaces
window. Top is the highest priority; bottom the lowest.
Change the priority order by removing all items from the
Selected DNS Server Interfaces
window by selecting them, then clicking the right arrow button. Select the items in the priority
order, then click the left arrow to move them into the
Selected DNS Server Interfaces
window.
9.
For a Static DNS IP Address, enter a primary and secondary DNS server for your modem,
10.
On the WAN Setup – Summary page review your settings and click Apply/Save to accept
the settings. To change your settings, click the Back button on the WAN Setup – Summary
page (do not click the browser Back button).
In the
Wide Area Network (WAN) Service Setup
page, you will see the new WAN interface
added.
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