The main point above I didn't illustrate real well is R3 has a new loopback9 Interface with 18.104.22.168/32 that is NOT in the OSPFv2 Domain, so its fellow R2 and R4 will not be able to reach it. Honestly I don't plan to spend a lot of time on this topic (famous last words), as … Continue reading MPLS – Transport-Address vs LDP Router-ID (RID), how they are tied together, and how to configure them to differ, and how that can help “engineer” the network!
I will be primarily looking at this through the lens of R3 to R4 when reviewing the below material, this is very heavy into MPLS verification commands / debug output / WireShark capture screen snips, so this will not be for anyone looking for a light read. I was planning on fitting LDP and … Continue reading MPLS – LDP Session Initialization, Active / Passive LDP Neighbors, Verification Commands for LDP, and lots more LDP!
Will be doing a very simple IGP setup using OSPFv2, MPLS, and doing some verification commands to demonstrate different ways to verify MPLS Bindings / LDP in action / Labels through the LSP (Label Switched Path). However first upon booting up my lab I saw my Layer 3 VPN tunnel throw a console message, so … Continue reading MPLS – Layer 3 VPN configuration review on PE Routers, configuration of Provider Routers, and verification commands!
A very brief introduction to MPLS, and the benefits it provides to customers MPLS is the realization from its predecessors ATM and Frame-Relay that a more efficient, lower cost, and higher speed WAN packet switching solution was needed in the late 90's which gave way to the IETF coming up with MPLS. For all … Continue reading MPLS – A brief introduction, and a technical overview of MPLS Mechanisms and Terminology visually demonstrated!