In the previous post I talked about why you should build a network of people to both help you in your career and to improve your own skillset. How does one build this network of people? There are endless ways
General – How to Build a Network Pt.1
Building a strong network of people is very important in creating a successful career in IT. In these posts we will start first look at why building a network is important and in the other posts we will look at
CCIE – CCIE SPv4 Review by Nick Russo
My friend Nick Russo just took the SPv4 lab and passed it. This is his story. On 8 March 2016, I passed Cisco’s CCIE Service Provider version 4 lab exam. It was my second attempt. I realize there is little
CCDE – Carrier Supporting Carrier
Introduction In the previous post I showed some of the options to interconnect two AS so that a customer can buy a VPN in two different locations from two different SPs. There is another technology called Carrier Supporting Carrier or
CCDE – Inter AS L3 VPNs
Introduction Sometimes a customer needs a L3 VPN between two locations where the same SP is not present. This can be on a national or international basis. It would be possible to buy an Internet circuit and run an overlay
CCDE – BGP Confederations
Introduction BGP Confederations are one of two tools a network designer has to work around the full mesh requirement of iBGP. BGP confederations are defined in RFC 5065 which obsoletes RFC 3065. This is how the RFC defines BGP confederations: