networks, virtual routing and forwarding (VRF) is a technology that allows multiple instances of a routing table to co-exist within the same router at the...

only when you want to route between VLANs or to provide IP host connectivity to the device through a virtual routing and forwarding (VRF) instance that...

stripped on this router. The inner label, to identify which Virtual Routing and Forwarding (VRF) instance to use for the subsequent IP routing lookup. In large...

Variable refrigerant flow, for heating and cooling Verifiable random function, in cryptography Virtual routing and forwarding Vitiligo Research Foundation Visiting...

private routed network), utilizes layer 3 VRF (VPN/virtual routing and forwarding) to segment routing tables for each customer utilizing the service. The...

forwarding information base (FIB), also known as a forwarding table or MAC (address) table, is most commonly used in network bridging, routing, and similar...

behalf of the virtual router fails, another physical router is selected to automatically replace it. The physical router that is forwarding packets at any...

port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port...

common routing functions, such as packet forwarding, and specialized functions such as IPsec encryption. There is substantial use of Linux and Unix software-based...

Call forwarding, or call diversion, is a telephony feature of all telephone switching systems which redirects a telephone call to another destination,...

Retrieved 2011-11-26. "Time of Day Routing". Global Call Forwarding. Retrieved 2017-10-19. "How to Protect Your Email Address and Phone Number". PCMAG. Retrieved...

Routing Daemon v6 (MRD6) is an IPv6 multicast routing daemon developed by Hugo Santos. Its main features include: Extensible modular design MLDv1 and...

physical server. Another name for port forwarding used by some routers. Microsoft Virtual Server, a virtualization product produced by Microsoft based on...

Replication for forwarding broadcast, multicast and unknown unicast traffic Timothy Prickett Morgan (30 August 2011). "VMware, Cisco stretch virtual LANs across...

message-forwarding. The introduction of the MX record made source-routing unnecessary. In 1989, RFC 1123 recommended accepting source-routing only for...

Geographic routing (also called georouting or position-based routing) is a routing principle that relies on geographic position information. It is mainly...

information in a routing table that defines what to do with incoming packets. Control plane functions, such as participating in routing protocols, run in...

In routing, the data plane, sometimes called the forwarding plane or user plane, defines the part of the router architecture that decides what to do with...

Virtual Private LAN Service (VPLS) is a way to provide Ethernet-based multipoint to multipoint communication over IP or MPLS networks. It allows geographically...

term than routing, as "routing" defines the route or path taken to reach the destination. The wormhole technique does not dictate the route to the destination...

Bidirectional Forwarding Detection (BFD) is a network protocol that is used to detect faults between two routers or switches connected by a link. It provides...

label instead of a lookup in the IP routing table. When MPLS was conceived, label switching was faster than a routing table lookup because switching could...

L2F, or Layer 2 Forwarding, is a tunneling protocol developed by Cisco Systems, Inc. to establish virtual private network connections over the Internet...

logical routing domains or to facilitate routing table administration, distribution and relay. One-armed routers that perform traffic forwarding are often...

responsibility for forwarding packets sent to its virtual MAC address. There could be up to four AVFs at the same time. By default, GLBP routers use the local...

Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of...

reboots and reloads the saved configuration. In all versions of Cisco IOS, packet routing and forwarding (switching) are distinct functions. Routing and other...

Generic Routing Encapsulation (GRE) Link aggregation through the Link Aggregation Control Protocol (LACP, IEEE 802.1AX-2008) Standard 802.1Q virtual LAN (VLAN)...

distinguish the distinct virtual private network (VPN) routes of separate customers who connect to the provider. The route distinguisher is an 8-octet...

might be configured for port forwarding, the "master router" of the ISP, which runs the CGN, will block this port forwarding because the actual port would...