ZyXEL Communications P-334W - Manual (Page 131)

Prestige 334W User’s Guide
WAN Screens 9-1
Chapter 9
WAN Screens
This chapter describes how to configure WAN settings.
9.1 WAN Overview
See the Wizard Setup chapter for more information on the fields in the WAN screens.
9.2 TCP/IP Priority (Metric)
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".
The metric sets the priority for the Prestige’s routes to the Internet. If the routes have the same metric, the
Prestige uses the following pre-defined priorities:
1. WAN: designated by the ISP (see Section 9.5) or a static route (see the IP Static Route Setup chapter)
2. Traffic Redirect (see Section 9.8)
For example, if WAN has a metric of "1" and Traffic Redirect has a metric of "2", the WAN connection
acts as the primary default route. If the WAN route fails to connect to the Internet, the Prestige tries Traffic
Redirect next.
9.3 Configuring Route
Click WAN to open the Route screen.