Powershell script to rapidly switch between WiFi and Ethernet on Surface Book and MS Dock.

change-network.ps1

# Script to switch between wired LAN and WiFi on Surface Book and MS Dock.
# Initially, one should be disabled and the other enabled. The script will then flip their states.

[string]$wifi_ifdesc = 'Marvell AVASTAR Wireless-AC Network Controller'
[string]$eth_ifdesc = 'Surface Ethernet Adapter #2'

if((Get-NetAdapter -InterfaceDescription $wifi_ifdesc).Status -eq 'Disabled') {
    # Switch to Wifi
    Write-Output 'Switching to WiFi'
    
    Write-Output "Disabling $eth_ifdesc"
    Disable-NetAdapter -InterfaceDescription $eth_ifdesc -Confirm:$False
    Write-Output "Enabling $wifi_ifdesc"
    Enable-NetAdapter -InterfaceDescription $wifi_ifdesc -Confirm:$False
}
elseif((Get-NetAdapter -InterfaceDescription $eth_ifdesc).Status -eq 'Disabled') {
    # Switch to Surface Dock Ethernet
    Write-Output 'Switching to Ethernet'
    
    Write-Output "Disabling $wifi_ifdesc"
    Disable-NetAdapter -InterfaceDescription $wifi_ifdesc -Confirm:$False
    Write-Output "Enabling $eth_ifdesc"
    Enable-NetAdapter -InterfaceDescription $eth_ifdesc -Confirm:$False
}
else {
    Write-Output 'Nothing to do.'
}

Write-Output 'Done.'