| Problem | Solution | |----------------------------------|--------------------------------------------------------------------------| | No IP after DHCP | Check Ethernet cable, switch port, or try another NIC. | | Web GUI still unreachable | Try http://tower (if no hostname conflict). | | | | Reset works, but no internet | Set correct gateway & DNS in → Static. | | Interface shows down | Run ifconfig eth0 up then reboot. |
: Access your Unraid boot flash drive (either via a network share if still accessible, or by plugging the USB into another computer). Navigate to Config : Go to the directory on the flash drive. Delete/Rename Files network.cfg : Contains the IP, DNS, and gateway settings. network-rules.cfg
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Access your Unraid boot drive files (via PC, Mac, or local terminal).
(Optional) If you have set up custom routing or wireless configurations, you may also see or wireless.cfg . Delete network.cfg (and network-rules.cfg if present). | | Interface shows down | Run ifconfig eth0 up then reboot
Fortunately, Unraid stores its network configuration in plain text files on your boot flash drive. This design makes it incredibly easy to reset your network settings to the default DHCP configuration without losing any of your data, Docker containers, or virtual machines.
Place a custom script on your USB drive so you can trigger a reset from the local console without remembering commands. Delete/Rename Files network
During the boot process, Unraid will notice network.cfg is missing. It will create a brand new one using standard DHCP settings, allowing your router to assign it a fresh, reachable IP address. Method 2: Resetting via Unraid Web GUI
Delete both files (or move them to your desktop as a temporary backup). Step 4: Reboot Unraid
If your server is connected to a monitor and keyboard, you can boot into to change settings without needing a network connection: