How to Configure DNS Inbound Load Balancing to balance
DNS Queries Among Interfaces
This is an example of using the ZyWALL/USG dynamically responding to DNS
query messages with its 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/USG’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.
ZyWALL/USG with DNS Inbound Load Balancing Example
Note: All network IP addresses and subnet masks are used as examples in this article.
Please replace them with your actual network IP addresses and subnet masks. This example
was tested using USG310 (Firmware Version: ZLD 4.25).
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