How to Configure Partial Load Balancing on a UTT Business Router

Introduction
This document describes how to configure Partial Load Balancing on a UTT Business Router. Two or more ISP lines are connected to the WAN line, and they need to be configured in a Partial Load Balancing way.
 
Prerequisites
1. a UTT Business Router (hereinafter shorted as “the Router"), such as UTT router N518W, AC750W, AC750GW, AC1220GW, ER518, ER840G and ER4240G. Firmware Version: 3.0.0 or above
2. a PC/laptop connected to the Router wirelessly or through an Ethernet cable
 
Configuration
1. Open a web browser. Log into the Web UI of the Router (default IP address 192.168.1.1, username: admin, password: admin).
 
2. Go to Network > WAN > WAN Configuration, click WAN2.
 
3. Select Backup Line at Line Type of WAN2 and click Save.
 
4. Go to Global Settings > Line Detection, configure Detection and Bandwidth as follows.
Interface: WAN1
Detection Interval: 3 Sec
Detect Times: 10
Detection Target > Other IP Address > choose a stable IP like the DNS server 8.8.8.8
Bandwidth: set according to the bandwidth of your WAN lines
Remember to save after configuring each WAN port.