CCIE Routing and Switching v5 Exam Blueprint

Over the next few months, I will be structuring my CCIE posts according to my own study path. That will mean that I will be focusing on the CCIE R&S path. I will keep...

BGP Route Reflectors

Within BGP there are two common ways to build a BGP network. Full Mesh With a BGP Route Reflector The end goal is that each of the routers in your network has the prefixes from...

CCIE Routing and Switching Written Exam (400-101) Version 5.1

It has happened with exams over time and will happen with future exams: they get updated. That is exactly what is happening with the CCIE R&S Exam. The CCIE Routing and Switching exam is...

DMVPN in a VRF Environment

In the lab, I have been introducing vrf environments into everything that I do. MPLS was the tip of the iceberg and then from there, I started tonight going over DMVPN in a vrf...

BGP Best Path Selection: Origin

For the last few days I have been studying for my CCIE R&S lab and have been doing every practice lab I can get my hands on. The one thing they all seem to...

BGP Best Path Selection

This is a subject that is key to the core of BGP and is something that needs to understood from the start. It is essential to everything that you will study and work with...

Sparse Mode Multicast Configuration Guide

Multicast is something that can be used to reduce required bandwidth by a single device when sending to multiple devices. In reverse, it can also allow multiple devices to receive data from a single...