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Chapter 5 WAN Setup
Table 22 Network > WAN > WAN Backup
LABEL
Traffic Redirect
Active Traffic
Redirect
Metric
Backup Gateway
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5.5 WAN Technical Reference
This section provides some technical background information about the topics covered in this
chapter.
5.5.1 Encapsulation
Be sure to use the encapsulation method required by your ISP. The ZyXEL Device supports
the following methods.
5.5.1.1 ENET ENCAP
The MAC Encapsulated Routing Link Protocol (ENET ENCAP) is only implemented with the
IP network protocol. IP packets are routed between the Ethernet interface and the WAN
interface and then formatted so that they can be understood in a bridged environment. For
instance, it encapsulates routed Ethernet frames into bridged ATM cells. ENET ENCAP
requires that you specify a gateway IP address in the Gateway IP Address field in the wizard
or WAN screen. You can get this information from your ISP.
5.5.1.2 PPP over Ethernet
The ZyXEL Device supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an
IETF Draft standard (RFC 2516) specifying how a personal computer (PC) interacts with a
broadband modem (DSL, cable, wireless, etc.) connection. The PPPoE option is for a dial-up
connection using PPPoE.
For the service provider, PPPoE offers an access and authentication method that works with
existing access control systems (for example RADIUS).
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DESCRIPTION
Traffic redirect forwards traffic to a backup gateway when the ZyXEL Device cannot
connect to the Internet.
Select this check box to have the ZyXEL Device use traffic redirect if the normal
WAN connection goes down.
Note: If you activate traffic redirect, you must configure at least one
Check WAN IP Address.
This field sets this route's priority among the routes the ZyXEL Device uses.
The metric represents the "cost of transmission". A router determines the best
route for transmission by choosing a path with the lowest "cost". RIP routing uses
hop count as the measurement of cost, with a minimum of "1" for directly
connected networks. The number must be between "1" and "15"; a number greater
than "15" means the link is down. The smaller the number, the lower the "cost".
Type the IP address of your backup gateway in dotted decimal notation. The
ZyXEL Device automatically forwards traffic to this IP address if the ZyXEL
Device's Internet connection terminates.
Click this to save your changes.
Click this to restore your previously saved settings.
P-660HN-Fx User's Guide
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Troubleshooting
