SetupHyperVNatContainerAndVM.ps1

$containerPrefix = '10.111.110.0/24'
$sharedPrefix    = '10.111.0.0/16'
$vmprefix        = '10.111.111.0/24'
$vmPrefixLength  = 24
$SharedGw        = '10.111.111.1'
$vmNatSwitchName = 'NAT'

$null             = Get-ContainerNetwork | Remove-ContainerNetwork -Force -ErrorAction SilentlyContinue
$null             = Get-NetNat | Remove-NetNat -Confirm:$false -ErrorAction SilentlyContinue
$null             = Get-VMSwitch -Name $vmNatSwitchName -ErrorAction SilentlyContinue | Remove-VMSwitch -Force -Confirm:$false -ErrorAction Stop
$containerNetwork = New-ContainerNetwork -Name nat -Mode NAT -SubnetPrefix $containerPrefix -GatewayAddress $SharedGw
$null             = Get-NetNat | Remove-NetNat -Confirm:$false
$SharedNat        = New-NetNat -Name SharedNAT -InternalIPInterfaceAddressPrefix $sharedPrefix
$vswitch          = New-VMSwitch -Name $vmNatSwitchName -SwitchType Internal -Notes 'VM NAT SWITCH' -Confirm:$false

$nic              = Get-NetAdapter | ? Name -Match $vswitch.Name
$HostSwitchIP     = New-NetIPAddress -IPAddress $SharedGw -InterfaceIndex $nic.ifIndex -DefaultGateway $SharedGw -PrefixLength 24