АБ
Add-VpnConnection -Name "VPN-1C" -ServerAddress "1.2.3.4." -TunnelType L2TP -L2tpPsk "xxxx-xxxx-xxxx" -Force -AuthenticationMethod MSChapv2 -SplitTunneling $True -EncryptionLevel "Required" -RememberCredential
Add-VpnConnectionRoute -ConnectionName "VPN-1C" -DestinationPrefix "192.168.254.0/24" -PassThru