How to Configure VRF (Virtual Routing and Forwarding) on Cisco IOS

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http://www.expertnetworkconsultant.com/configuring/solving-vlan-segmentation-challenges-with-virtual-routing-and-forwarding
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In this tutorial, Samuel shows the practical aspects of segmentation in an enterprise network. He deals with the limitations of virtual local area networks (vlans) and how to implement layer 3 segmentation in the separation of traffic. This improves security but also reduces overheads where the management of router functions are concerned.

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So what is VRF?
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Virtual routing and forwarding (VRF) is a technology included in IP (Internet Protocol) network routers that allows multiple instances of a routing table to exist in a router and work simultaneously. This increases functionality by allowing network paths to be segmented without using multiple devices. Because traffic is automatically segregated, VRF also increases network security and can eliminate the need for encryption and authentication. Internet service providers (ISPs) often take advantage of VRF to create separate virtual private networks (VPNs) for customers; thus the technology is also referred to as VPN routing and forwarding.


To configure VRF. Follow the steps below;
!Create VRF Routes
ip vrf VRFUniqueRouteName


!Configure Interface to forward traffic over VRF
ip vrf forwarding VRFUniqueRouteName - assign IP address on interface


!Verify VRF configuration
show ip vrf


This video of How to Configure VRF (Virtual Routing and Forwarding) on Cisco IOS was found at https://youtu.be/G8MVOGpjqGc
Category
Routers and Switches
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