Chapter 9. MPLS/VPN Architecture Operation
In the previous chapter, we introduced the key mechanisms and features that make up the MPLS/VPN architecture. You learned that the VPN service is established through the use of Virtual Routing and Forwarding Instances (VRFs) into which specific VPN customer routing information is placed through import mechanisms that utilize the Route Target BGP extended community. This VPN routing information is identified uniquely through the use of a Route Distinguisher and is distributed among service provider edge routers, known as Provider Edge (PE) routers, through the use of Multiprotocol BGP extensions.
Now that you clearly understand the basic concepts of the MPLS/VPN architecture, you can understand how to ...
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