misc/hyperv-labsetup.ps1
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$labEnvCt = 4 $desiredLabSubnets=8 # Compute values. # Find smallest subnet bits that can hold $labEnvCt supernets $supernetBits=[math]::Ceiling([math]::log2($labEnvCt)) $supernetSlots = [math]::pow(2,$supernetBits) $vlanIncrement = 256/$supernetSlots $prefix="10.128" $prefixCIDR=16 $labCIDR=$prefixCIDR + $supernetBits for ($i=0; $i -lt $labEnvCt; $i++ ) { $labNum=$i*$vlanIncrement $labName = "lab$labnum" $ip="$prefix.$labNum.1" New-VMswitch -name "$labName" -SwitchType Internal New-NetIPAddress -ipAddress $ip -PrefixLength $LABCIDR -InterfaceAlias "vEthernet ($labName)" } new-NetNat -name "Lab-NAT" -InternalIPInterfaceAddressPrefix "$prefix.0.0/$PrefixCIDR" |