MPLS VPN CONFIGURATION – DOWNLOAD FREE GNS3 TOPOLOGY! (CCNP SERVICE PROVIDER)

If you’re cool, hip, and “with it”, you’ll know there’s one thing millennials just can’t stop talking about: MPLS VPNs. But: how do you configure them? Well, it’s a good job you came to me – because in this article you’ll learn exactly how. We’ll configure it together, we’ll type some show commands to learn exactly what’s going on – and then we’ll look at how to troubleshoot it when it breaks.

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BGP: WHAT ARE UPDATE-GROUPS?

Sometimes when you’re looking at a router’s BGP routing table, you might see that a prefix is being advertised to an “update-group”. Now, you might think to yourself: wait a second, I didn’t configure any update-groups. Unless I did it when I was drunk? Well, I’m happy to tell you that this time you didn’t get up to any DBGP (Drunken Border Gateway Protocol): this happens automatically. Let’s find out what it means!

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