ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 545)

ZyWALL 2 Series User’s Guide
Triangle Route C-3
Diagram 3 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.
Diagram 4 Gateways on the WAN Side
How To Configure Triangle Route:
Step 1.
From the SMT main menu, enter 24.
Step 2. Enter “8” in menu 24 to enter CI command mode.