Specifications

15xx-A1 Family Router Users Guide 40
8. 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.
9. On the DNS Server Configuration page set the priority of WAN interfaces to be used as
DNS server interfaces, or specify a static DNS Primary and Secondary server, 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.
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.
Add a PPPoA WAN Service
1. Add a PPPoA Layer 2 interface as described above (Add a Layer 2 Interface).
2. Under Advanced Setup click WAN Service then click Add
3. On the WAN Service Interface Configuration page, select the DSL link associated with the
PPOA interface from the drop down, then click Next
4. On the WAN Service Configuration page, enter a name if you wish to customize the
description shown for the service, then click Next.
5. On the PPP Username and Password page you will need to enter information provided by
your ISP. When you are done, click Next.
 PPP Username: Your account from ISP to access Internet.
 PPP Password: The password assigned by your ISP.
 Authentication Method: Authentication mode of network ISP. Default is AUTO.
 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.