Cannot get an IP address from DDWRT wireless access point connected to Opnsense

If you are facing issues with obtaining an IP address from your DDWRT wireless access point connected to Opnsense, there are a few troubleshooting steps you can follow to resolve the problem. This guide will help you troubleshoot and fix the issue.

Check the Physical Connections

First, ensure that all the cables connecting your devices are securely plugged in. Make sure the Ethernet cable between your Opnsense router and the DDWRT wireless access point is firmly connected to the WAN/LAN port of both devices.

Power Cycle Your Devices

Try power cycling your devices as it can often resolve connectivity issues. Follow these steps:

1. Turn off your Opnsense router and DDWRT wireless access point.
2. Unplug the power cables from both devices.
3. Wait for about 30 seconds.
4. Plug the power cables back in and turn on your devices.

Reset the DDWRT Wireless Access Point

If power cycling did not resolve the issue, you can try resetting the DDWRT wireless access point to its factory settings. Please note that this will erase any custom configurations you have made.

To reset the DDWRT wireless access point, follow these steps:

1. Locate the reset button on the DDWRT wireless access point.
2. Using a paperclip or a small pin, press and hold the reset button for about 10 seconds.
3. Release the reset button. The device will restart and restore its factory settings.

Check DHCP Settings

Ensure that the DHCP settings on your Opnsense router and DDWRT wireless access point are properly configured.

On your Opnsense router, make sure DHCP is enabled and has a sufficient range of IP addresses to assign to devices connecting to the network.

On your DDWRT wireless access point, verify that it is set to obtain an IP address automatically from the Opnsense router. You can usually find this setting under the network or WAN configuration section of the DDWRT interface.

Contact Support

If you have followed all the steps above and are still unable to obtain an IP address from your DDWRT wireless access point connected to Opnsense, it is recommended to reach out to the support team for further assistance. They will be able to provide you with more advanced troubleshooting steps specific to your setup.

References