Today we are going to dive into MPLS service known as L3VPN. If you don’t familiar with either MPLS or L3VPN I highly recommend you this two books: “MPLS fundamentals” [1] and “MPLS in SDN era” [2]. But for this post I assume you have at least basic understanding of both technologies. They are not new things and chances pretty high that network engineers will meet them early in they career, so why another post? Can we just go and…
As I mentioned in previous post I will like to dive into some Linux traffic routing and forwarding. So today we will be looking at one of routing daemons available for *nix OSes – BIRD. What it is BIRD is a routing daemon targeted at Linux and BSD distros supported by cz.nic, Czech domain name registry, which are responsible for a number of other very interesting projects [1]. Daemon support both IPv4 and IPv6, number of routing protocols (BGP, RIP,…
I can’t remember when I really stumble upon Vagrant, but since that I use it often in learning process. Giving that at work I face some software routers and Cumulus switches, Vagrant became one of the most useful tool in my toolbox. But it can easily goes beyond such learning purposes. And it this post I will show you why and how to start. What is Vagrant Vagrant is a command line utility which makes workflow with virtual machines much…