A script to toggle DHCP and static IP for the first physical network adapter.
You can just copy they to your desktop, then double-click toogle-dhcp.bat to run it.
If you use PowerToys, you may be able to run it in PowerToys Run after your first click.
| @echo off | |
| set "scriptPath=%~dp0toggle-dhcp.ps1" | |
| powershell -Command "Start-Process powershell -ArgumentList '-ExecutionPolicy Bypass -File \"%scriptPath%\"' -Verb RunAs" |
| $adapter = Get-NetAdapter -Physical | Select-Object -First 1 | |
| $ifIndex = $adapter.ifIndex | |
| $staticIP = "<YourIP>" | |
| $prefix = 24 | |
| $gateway = "<YourGateway>" | |
| $dns = @("8.8.8.8", "8.8.4.4") | |
| $status = Get-NetIPInterface -InterfaceIndex $ifIndex -AddressFamily IPv4 | |
| if ($status.Dhcp -eq "Enabled") { | |
| Write-Host "DHCP detected. Switching to Static IP..." -ForegroundColor Cyan | |
| Set-NetIPInterface -InterfaceIndex $ifIndex -DHCP Disabled | |
| $oldRoute = Get-NetRoute -InterfaceIndex $ifIndex -DestinationPrefix "0.0.0.0/0" -ErrorAction SilentlyContinue | |
| if ($oldRoute) { | |
| Write-Host "Removing legacy gateway route..." -ForegroundColor Gray | |
| $oldRoute | Remove-NetRoute -Confirm:$false | |
| } | |
| Remove-NetIPAddress -InterfaceIndex $ifIndex -AddressFamily IPv4 -Confirm:$false -ErrorAction SilentlyContinue | |
| Set-DnsClientServerAddress -InterfaceIndex $ifIndex -ResetServerAddresses -ErrorAction SilentlyContinue | |
| $timeout = 0 | |
| while ($timeout -lt 30) { | |
| $existingRoute = Get-NetRoute -InterfaceIndex $ifIndex -DestinationPrefix "0.0.0.0/0" -ErrorAction SilentlyContinue | |
| if (-not $existingRoute) { break } # Exit loop if gateway is gone | |
| Write-Host "Waiting for Gateway to release... ($($timeout * 0.1)s)" -ForegroundColor Gray | |
| Start-Sleep -Milliseconds 100 | |
| $timeout++ | |
| } | |
| Start-Sleep -Milliseconds 100 | |
| New-NetIPAddress -InterfaceIndex $ifIndex -IPAddress $staticIP -PrefixLength $prefix -DefaultGateway $gateway -Confirm:$false | |
| Set-DnsClientServerAddress -InterfaceIndex $ifIndex -ServerAddresses $dns | |
| Write-Host "Success: Interface is now STATIC ($staticIP)" -ForegroundColor Green | |
| } | |
| else { | |
| Write-Host "Static IP detected. Switching to DHCP..." -ForegroundColor Cyan | |
| Set-NetIPInterface -InterfaceIndex $ifIndex -DHCP Enabled | |
| Set-DnsClientServerAddress -InterfaceIndex $ifIndex -ResetServerAddresses | |
| Write-Host "Success: Interface is now DHCP" -ForegroundColor Green | |
| } | |
| Write-Host "`nPress any key to exit..." -ForegroundColor Yellow | |
| $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown") |