ZyXEL ZYWALL USG 100 User Guide - Page 104
Con the Policy Route, 5.4 How to Con DNS Inbound Load Balancing - set dns
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Chapter 5 Managing Traffic 5.3.2 Configure the Policy Route Now you need to configure a policy route that has the ZyWALL use the range of public IP addresses as the source address for WAN to LAN traffic. Click Configuration > Network > Routing > Policy Route > Add (in IPv4 Configuration). It is recommended to add a description. This example uses LAN-to-WAN-Range. Specifying a Source Address is also recommended. This example uses LAN1_SUBNET. Set the Source Network Address Translation to Public-IPs and click OK. 5.4 How to Configure DNS Inbound Load Balancing This example shows you how to configure the ZyWALL to respond to DNS query messageswith the least loaded interface's IP address. The DNS query senders will then transmit packets to that interface instead of an interface that has a heavy load. This example assumes that your company's domain name is www.example.com. You want your ZyWALL's WAN1 (202.1.2.3) and WAN2 (202.5.6.7) to use DNS inbound load balancing to balance traffic loading coming from the Internet. 1 In the CONFIGURATION > Network > Inbound LB screen, select Enable DNS Load Balancing. Click Apply. 104 ZyWALL USG100-PLUS User's Guide