ZyXEL Communications ZyWALL5UTM 4.0 Gateways on the WAN Side, Configuring Triangle Route via Commands

ZyWALL 5/35/70 Series User’s Guide

Figure 454 IP Alias

Gateways on the WAN Side

A second solution to the “triangle route” problem is to put all of your network gateways on the WAN side as the following figure shows. This ensures that all incoming network traffic passes through your ZyWALL to your LAN. Therefore your LAN is protected.

Figure 455 Gateways on the WAN Side

Configuring Triangle Route via Commands

1From the SMT main menu, enter 24.

2Enter “8” in menu 24 to enter CI command mode.

3Use the following command to allow triangle route:

sys firewall ignore triangle all on

or this command to disallow triangle route:

sys firewall ignore triangle all off

Appendix I Triangle Route 720