ZyXEL Communications HS100/HS100W manual Chapter WAN Screens, WAN Overview, TCP/IP Priority Metric

HomeSafe User’s Guide

Chapter 8

WAN Screens

This chapter describes how to configure WAN settings.

8.1WAN Overview

See the Wizard Setup chapter for more information on the fields in the WAN screens.

8.2TCP/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 HomeSafe’s routes to the Internet. If the routes have the same metric, the HomeSafe uses the following pre-defined priorities:

1.WAN: designated by the ISP (see Section 8.5) or a static route (see the IP Static Route Setup chapter)

2.Traffic Redirect (see Section 8.8)

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 HomeSafe tries Traffic Redirect next.

8.3Configuring Route

Click WAN to open the Route screen.

Figure 8-1 WAN : Route

The following table describes the labels in this screen.

WAN 8-1