ZyXEL Communications P-335WT User Manual

P-335 Series User’s Guide

Appendix L Triangle Route

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Figure 311   IP Alias

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 Prestige to your LAN. Therefore your LAN is protected. 

Figure 312   Gateways on the WAN Side

1 From the SMT main menu, enter 24.

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

3 Use 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