Unraid Reset Network Settings Install

Unraid OS 6.12.x
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1. Unraid OS (Normal)
2. Unraid OS (Safe Mode) - Disables plugins
3. Unraid OS (Network Reset) <-- NEW FEATURE
   (Resets IP to DHCP, clears bonding/bridging)
4. Memtest86+
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Select boot option: 3

If you installed the Unraid GUI mode (boot option “Unraid OS GUI Mode”):

If you can still get a console (physical monitor + keyboard attached to the server, or SSH access):

After reboot, Unraid will regenerate default network settings (DHCP enabled, no bonding, default interface).

IFNAME[0]="eth0"
MAC[0]="00:11:22:33:44:55"   # replace with your NIC MAC (optional)
NM_CONTROLLED="no"
USE_DHCP="yes"
IPADDR="0.0.0.0"
GATEWAY="0.0.0.0"
DNS_SERVER="0.0.0.0"

If you want, I can generate a specific /config/network.cfg example for DHCP or for a static IP (provide desired IP, netmask, gateway, interface name).

To reset your Unraid network settings to the installation defaults, you generally need to delete or rename specific configuration files on your Unraid boot flash drive

. This process is most common when a user loses access to the WebGUI after incorrectly configuring a static IP or changing networking hardware.

Reset Network to default - General Support - Forums - Unraid

To reset your Unraid network settings to their original install defaults, you can follow these steps. This is a highly useful feature

for troubleshooting connection issues, moving to a new network, or clearing out old hardware assignments without a full reinstall. How to Reset Network Settings

The most effective way to reset networking is by deleting the specific configuration files from your boot drive. will automatically recreate these with default DHCP settings upon the next boot. Shutdown your server and remove the Unraid USB boot flash drive

Plug the USB drive into a separate PC (Windows, Mac, or Linux). Navigate to the folder on the USB drive. Delete (or rename) the following files: network.cfg (contains IP, Gateway, and DNS settings) network-rules.cfg (contains MAC address and interface assignments)

Safely eject the USB drive and plug it back into your Unraid server. Reboot the server . It will now attempt to get a new IP address via DHCP. Useful Features & Tips UGREEN NAS Experts - Facebook

To reset Unraid network settings to the installation defaults, delete the network.cfg and network-rules.cfg files from the /boot/config directory on your flash drive and then reboot your server. This action forces Unraid to regenerate these files with default DHCP settings during the next boot. 1. Reset via Local Terminal unraid reset network settings install

If you have a monitor and keyboard attached to your Unraid server, you can perform the reset directly from the command line interface (CLI). Log in as root.

Run the following commands to delete the configuration files:

rm /boot/config/network.cfg rm /boot/config/network-rules.cfg Use code with caution. Reboot the server by typing reboot. 2. Reset via USB Flash Drive (on another PC)

If you cannot access the server's CLI or WebGUI, you can modify the boot drive on another computer. Shut down the Unraid server and remove the USB flash drive. Plug the USB drive into a Windows or Mac computer. Navigate to the config folder on the drive. Locate network.cfg and network-rules.cfg.

Delete these files or rename them to network.cfg.old to keep a backup.

Safely eject the drive, return it to the server, and power it on. 3. Using Unraid GUI Mode

If your server is connected to a monitor and you want a visual interface without using another computer, you can boot into a temporary local GUI. Restart your server. At the Unraid boot menu, select Unraid OS GUI Mode.

Once the desktop loads, open the local browser and navigate to Settings > Network Settings to reconfigure your LAN manually. 4. Manual Configuration (Advanced)

If you prefer to fix the settings without a full reset, you can edit the configuration file manually using a text editor like nano on the CLI or Notepad on a PC. File Path: /boot/config/network.cfg

Key Settings: To re-enable DHCP, ensure the following line is set: USE_DHCP="yes".

Static IP: To set a manual address, set USE_DHCP="no" and define IPADDR, NETMASK, and GATEWAY. Troubleshooting Tips

Identify Your IP: After a reset, the server will request a new IP from your router via DHCP. You can find this new address by typing ipconfig (for Windows) or checking your router's client list.

Stopped Array: Note that many network changes in the WebGUI require the Array to be stopped before they can be applied. Unraid OS 6

Multiple NICs: If your server has multiple ethernet ports, Unraid may assign them differently after a reset. Ensure you are plugged into the port designated as eth0.

To reset your Unraid network settings to the installation defaults, you must remove the specific configuration files from your boot flash drive. This is often necessary if you have lost access to the WebGUI after a router change, a failed static IP assignment, or incorrect bonding/bridging setups Quick Reset Method

If you cannot reach the WebGUI, the fastest way to revert to default (DHCP) settings is to delete the network configuration files directly from the USB boot drive. your Unraid server cleanly if possible. Remove the USB flash drive and plug it into a separate PC or Mac. Navigate to the folder on the USB drive. (or rename for backup) the following files: network.cfg — Contains IP, DNS, and gateway info. network-rules.cfg — Contains MAC address and interface mapping.

the USB into your server and reboot. Unraid will automatically recreate these files with default Alternative: Terminal/Local GUI Access

If you have a monitor and keyboard attached to the server, you can reset settings without moving the USB drive. Local GUI Mode : Reboot the server and select Unraid OS GUI Mode

from the boot menu. This launches a local browser where you can navigate to Settings > Network Settings to fix the configuration. Command Line (CLI) : Log in as and run the following commands to clear the settings:

rm /boot/config/network.cfg rm /boot/config/network-rules.cfg reboot Use code with caution. Copied to clipboard Troubleshooting Connection Issues Identify Your IP

: After resetting, check your server's monitor during boot; it will display the new DHCP-assigned IPv4 address. DNS Failures

: If you can reach the WebGUI but the server can't see the internet (e.g., Community Applications won't load), manually set static DNS addresses to Settings > Network Settings Bonding & Bridging

: If you have multiple NICs, the default installation typically enables "Bonding." If your switch does not support LACP/802.3ad, you may need to disable bonding in the Unraid Network Settings to regain stability. or setting up a static IP reservation in your router? UNRAID Setup Guide. PLUS! Intro to Docker Apps and VM's!

To reset your Unraid network settings to the install defaults (DHCP), you must remove the specific configuration files from your Unraid flash drive. This process is useful if you have lost access to the WebGUI due to a manual IP error or incorrect bonding/bridging setup. Method 1: Using Another Computer (Easiest)

If you cannot access your server at all, use this method to clear settings directly from the boot media. Shut down your Unraid server safely.

Remove the USB flash drive and plug it into a different PC or Mac. Open the flash drive and navigate to the /config folder. Locate and delete (or rename to .old) the following files: network.cfg The Hardware Swapper:

network-rules.cfg (Note: This file may not exist on all systems).

Eject the USB drive safely, plug it back into your server, and power it on.

Unraid will automatically recreate these files with default DHCP settings. Method 2: Using the Command Line (Terminal)

If you have a monitor and keyboard physically connected to your server, you can perform the reset without moving the USB drive.

Log in at the local terminal prompt (default username is root).

Type the following commands to remove the configuration files:

rm /boot/config/network.cfg rm /boot/config/network-rules.cfg Use code with caution. Copied to clipboard Reboot the server by typing: reboot Use code with caution. Copied to clipboard

Once it reboots, check the screen for the new IP address assigned by your router. Method 3: Booting into GUI Mode Default network config? - General Support - Forums - Unraid

Title:
Resetting Network Settings in Unraid: A Clean Installation Approach

Author: [Your Name]
Date: [Current Date]

Use this if network problems persist or you want to reinstall Unraid OS without wiping the array.

Sometimes, a "reset" doesn’t just mean fixing configs — it means a complete reinstall of Unraid while either keeping or wiping network presets.