ZyXEL P-324 User Guide - Page 84
Traffic Redirect, Traffic Redirect WAN Setup
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Prestige 324 User's Guide 6.8 Traffic Redirect Traffic redirect forwards WAN traffic to a backup gateway when the Prestige cannot connect to the Internet through its normal gateway. Connect the backup gateway on the WAN so that the Prestige still provides firewall protection. Figure 6-7 Traffic Redirect WAN Setup The following network topology allows you to avoid triangle route security issues (see the Appendices) when the backup gateway is connected to the LAN. Use IP alias to configure the LAN into two or three logical networks with the Prestige 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/Prestige firewall rule that forwards packets from the protected LAN (Subnet 1) to the backup gateway (Subnet 2). 6-14 Figure 6-8 Traffic Redirect LAN Setup WAN Screens