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.
Globally associates an IP address with a MAC address in the ARP cache. 1  ip-address --IP address in four-part dotted decimal format corresponding to the local data-link address. 2  vrf vrf-name --Virtual routing and forwarding instance for a Virtual Private Network (VPN). 3  The vrf-name argument is the name of the VRF table.