Chapter 8 WAN and 3G Screens
ZyWALL 2WG User’s Guide
194
IP alias allows you to avoid triangle route security issues when the backup gateway is
connected to the LAN or DMZ. Use IP alias to configure the LAN into two or three logical
networks with the ZyWALL itself as the gateway for each LAN network. Put the protected
LAN in one subnet (Subnet 1 in the following figure) and the backup gateway in another
subnet (Subnet 2). Configure a LAN to LAN/ZyWALL firewall rule that forwards packets
from the protected LAN (Subnet 1) to the backup gateway (Subnet 2).
Figure 120
Traffic Redirect LAN Setup
8.5.1 Configuring the Traffic Redirect Screen
To change your ZyWALL’s traffic redirect settings, click
NETWORK
>
WAN
>
Traffic
Redirect
. The screen appears as shown.
Figure 121
NETWORK > WAN > Traffic Redirect
The following table describes the labels in this screen.
Table 42
NETWORK > WAN > Traffic Redirect
LABEL
DESCRIPTION
Active
Select this check box to have the ZyWALL use traffic redirect if the normal WAN
connection goes down.
Backup
Gateway IP
Address
Type the IP address of your backup gateway in dotted decimal notation. The ZyWALL
automatically forwards traffic to this IP address if the ZyWALL's Internet connection
terminates.
Apply
Click
Apply
to save your changes back to the ZyWALL.
Reset
Click
Reset
to begin configuring this screen afresh.