How do I configure the Flow/Load Balance on TP-LINK Dual WAN ports Router

Why need configure the Flow Balance?

The 2 WAN ports router features fully automatically load balance policy, no need for any manually work, it works with backup and load balancing functions.

But sometimes you would like to control the flow flexibly on your own opinion, for example, you want to specify some packets prior forwarding from WAN port 1, which depend on specified source or destination IP addresses, in this case you can configure Flow Balance to achieve your detail requirement.

How to configure the Flow Balance?

Step 1 Open the web browser and type the LAN IP address of the router in the address bar, the default IP address of TP-LINK router is, and then press Enter.

Step 2 Type the username and password in the login page, the default username and password both are admin.

Step 3 Click Network->Flow Balance on the left of the page. You can specify priority channels according to source or destination IP addresses, distributing flexibly Internet resource and services from different ISPs.

  • Enable/Disable WAN - Enable the WAN port you want to use, then click Save to make it effective.
  • Additional IP Address dispatch rules - Enable the function and then make the dispatch rules.
  • Backup - Click the button to backup the list files.
  • Upload - Click the button to upload an existed file. You can click Browse to locate the specific file first, and then click the Upload List Files to complete the process.
  • Rules list - This table displays the current dispatch rules.

Other configurations for the entries as shown in the diagram
  • Click the Delete button to delete the entry.
  • Click the Enable All button to enable all the entries.
  • Click the Disable All button to disable all the entries.
  • Click the Delete All button to delete all the entries.
  • Click the Previous button to view the information in the previous screen.
  • Click the Next button to view the information in the next screen.
Step 5 In the page of Flow Balance Control, you can select the Rules select, Protocol, Datagram Pass Policy and Transmit Path and enter IP address and Port according to your need.

There are two rules can be selected, “From LAN, source IP/Protocol/Port (range)” and “To WAN, destination IP/Protocol/Port (range)”.

And there are three principles to configure the Flow Balance, which are based on IP address only, based on Port only and based on IP address and Port at the same time. Next we take different examples to show the detail configurations.


Flow Balance which is based on IP address only


All the data on the LAN computers which IP Addresses are between and access the Internet passes through WAN1 only.



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