Virtual Routing and Forwarding (VRF) allows multiple routing table instances to co-exist on the same physical router at the same time by creating logical routing tables for each VRF. A VRF routing table is also referred to as a Virtual Private Network (VPN) routing table. The routing instances of each VPN routing table are independent of each other. This allows the same or overlapping IP address space to be used within the different VPNs.
While Virtual RF is commonly implemented by Service Providers using Multiprotocol Label Switching (MPLS) networks, a simpler form, referred to as VRF Lite or Multi . . .
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