Posts Tagged ‘CEF’

Basic MPLS

March 5, 2012 8 comments

I would like to share a basic MPLS configuration example where I will explain how MPLS works and what are the different steps in order to configure it. This example is not related to MPLS layer 3 VPNs, this is just going to be the basic underlying logic of how an MPLS tunnel on its own works so I will neither talk about VRF nor MP-BGP which is the VPNv4 address family in order to exchange the customer routes and the MPLS VPN labels.

 Let´s consider the following topology:

PE routers R2 and R4
P router: R3
CE routers R1 and R5

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Categories: MPLS Tags: , , , , ,