By default, UPnP port forwarding is set to Off. To configure UPnP port forwarding: Browse to My Fiber; then select Network from the Navigation menu ( ). From the Network settings pane, select Advanced; then click Ports to display the Ports tab.
Variable refrigerant flow. Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented in Japan by Daikin company in 1982. Like ductless minisplits VRFs use refrigerant as the cooling and heating medium.
First Published: March 2014. OL-31240-01. With the VRF-lite feature, the Connected Grid 1000 Series Router (hereafter referred to as CGR 1000) supports multiple VPN routing and forwarding (VRF) instances to provide traffic isolation in an enterprise network.