Virtual routing & forwarding

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  • Configuring a VRF

    Doug Downer demonstrates how to configure a VPN Routing and Forwarding (VRF) in an instance where a service provider needs to keep Internet services separate for two different clients on shared devices. Continue Reading

  • Using VRFs to provision customer traffic

    A virtual routing and forwarding (VRF) instance can allow network paths to be segmented without using multiple devices. Learn simple VPF configuration in this article. Continue Reading

  • Configuring MPLS and VRF -- Cisco CCIP MPLS certification: Lesson 6

    Virtual Routing and Forwarding (VRF) is a key component of Layer 3 MPLS VPNs. It enables PE routers to appear to be many routers to the customer edge (CE) routers. The provider edge (PE) router will maintain separate and distinct routing tables for each customer. Each PE builds these unique routing tables with their own routing table mechanisms for each customer that is connected to the PE. This unique separation of routing tables allows PE routers to store routes and forward packets even if the customers are using identical addressing. This article explains how to create and configure VRF, one of the elements required to pass the Cisco CCIP MPLS certification. Continue Reading

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