Chapter 8 WAN Screens
Figure 106 Traffic Redirect WAN Setup
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 107 Traffic Redirect LAN Setup
8.9 Configuring Traffic Redirect
To change your ZyWALL’s traffic redirect settings, click NETWORK > WAN > Traffic Redirect. The screen appears as shown.
Figure 108 NETWORK > WAN > Traffic Redirect
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