Since the VPN Tunneling client function is to serve as a remote access method, it is always assumed that machine’s NIC is configured on a disjointed network, or a network that is physically separate from your VPN network.
#Juniper network connect virtual adapter invisible install
Once you install Network Connect or Junos Pulse your computer becomes multi-homed, meaning your machine has multiple interfaces. This behavior does not affect the functionality of the VPN connection and is working as designed.