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Setting Up EdgeRouter X for Dual WAN with Custom LAN Subnet and MTU

Angus
Updated

1. Set Manual IP Address on Computer

Configure a static IP on your computer's Ethernet adapter: IP like 192.168.1.100 (last octet between 2 to 254), subnet mask 255.255.255.0, and gateway 192.168.1.1.

2. Connect to the EdgeRouter X

Connect to the EdgeRouter's eth0 port. Open a web browser and navigate to 192.168.1.1. Bypass the security warning and log in with default credentials (username: ubnt, password: ubnt). Accept the legal agreement.

3. Start Load Balancing Setup Wizard

In the EdgeRouter's interface, start the Load Balancing Setup Wizard, found in the top left corner.

4. Configure First Internet Port (eth0)

  • Choose your internet connection type for eth0.
  • Enable the firewall for this interface.
  • Set the MTU to 1492 or as your ISP requires.

5. Configure Second Internet Port (eth1)

  • Select your internet connection type for eth1.
  • Enable the firewall for this interface.
  • Set the MTU to 1492 or as your backup ISP requires.

6. Failover Settings

Check the 'Failover Only' option.

7. LAN Configuration (eth2, eth3, eth4)
Note: customize this step your liking 

Set your router gateway IP to 192.168.10.1 with a subnet mask of 255.255.255.0. Enable DHCP for the 192.168.10.0/24 subnet.

8. User Setup

Update password or create a new admin user and store the credentials in 1Password.

9. LAN-to-LAN Exclusion

Ensure LAN-to-LAN exclusion is enabled (usually no change is required).

10. Apply Changes and Test

Save and apply the changes. Test the configuration to ensure everything is working as expected.

 

Follow-Up

If you've encountered this issue and followed the steps outlined in this article, we'd love to hear from you. Please leave a comment below to share whether this solution helped resolve the problem. Additionally, if you found a different method that worked, we encourage you to share that as well. Your feedback is invaluable in helping us and others who may face similar issues.

 

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