Let’s take a closer look:Ībove we have our PE1 router with the two customer sites. Each customer of the service provider will use a different VRF. Instead of using a single global routing table, we use multiple routing tables. This is the first step in separating traffic from different customers. In this lesson you will learn everything that is required to build a MPLS 元 VPN network. Everything from these customers is completely separated by the service provider. Customer A and B each have two sites and you can see that they are using the same IP ranges.Ĭustomer A might use OSPF between their sites and customer B could use EIGRP between their sites. VPN: routing information from one customer is completely separated from other customers and tunneled over the service provider MPLS network.Ībove we have two customers connected to a service provider network. The customer will run OSPF, EIGRP, BGP or any other routing protocol with the service provider, these routes can be shared with other sites of the customer. Layer 3: the service provider will participate in routing with the customer. What about the 元 VPN part? Here’s what it is about: By now you should know what MPLS is about. In this lesson we will look at MPLS 元 VPNs and we will build upon the things you learned in previous lessons.
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