MPLS & BGP Simplified!

The simplest explanation of MPLS you will find on the internet!
Understand the relationship between MPLS, IGP and BGP and how they depend relate to each other in core MPLS based solutions.
IGP (IS-IS or OSPF) is just a way to make end points reachable. MPLS is used for tunnelling and BGP is used to share meaningful prefixes. Traffic then uses MPLS tunnels to pass between endpoints whilst trying to reach it's ultimate goal of reaching the destination prefix shared by BGP.
Without IGP, MPLS singling protocols will fail. Without IGP, BGP won't be able to establish properly. Similarly, without MPLS, BGP prefixes can't be used as destination for certain traffic that needs to be tunnelled and without BGP, MPLS tunnels are meaningless!
For detailed posts in MPLS and BGP, head over to routemypacket.com

[@linkmod960]

I don't know if it was just me or the video, but I walked away not gaining anything from this :/ Just a lot of talking, some moving windows around, then suddenly "that's how easy it is!" and I'm left wondering what just happened...

[@merakisupport1573]

Leaves unknowledgable wondering why the need for BGP when you have IGP.

[@adicombat]

👆

[@bittyboy721]

It's been a year but I'll take a shot at answering this. BGP is the only accepted external routing protocol, as in how you will interface with organizations outside of your own. From a service provider or large enterprise standpoint any connection begin made to transit provider, public or private peers, or large customer will take place using BGP. The IGP is used only to advertise loop back addresses and point to point links, no internet routes will be propagated to the IGP. The idea is that the IGP provides connectivity between the BGP routers at the edge of the network and the core of the network will be BGP free. This means that all of the core routers don't need to compute and maintain a full internet routing table and instead can just focus on moving traffic based on the MPLS labels between the BGP routers on the edge.

[@DileepKumarMB]

Good one.
Very good summary of "IGP + MPLS + BGP" in Routing process.

[@LuisReyes-mw3jo]

Thank you for putting these in such an easy way to understand, I wish you the very best.

[@hpandeymail]

Thanks .. this was really good explanation in brief. 👏👏

[@indigo256256]

That video is example why we need dislikes back

[@sidtheiceking7069]

Thanks that clears why and how these protocols are used together. Another video with a sample configuration of these three would be great if you can.

[@sliddjur]

Why do we need MPLS here?? Can't you just use bgp and ospf? ☝️
Ospf gives us loopback reachability for bgp.

[@lalosalamanca7131]

You need MPLS to tunnel traffic in the core

[@daudkazimi3089]

Better to stop teaching

[@jonathanlynn6397]

Wow! It clicks now :)

[@pritishbarbara7962]

very nice