BGP roles for route leak prevention Not long ago (May 2022 according to the document) a new RFC on BGP was published. This one, numbered 9234, is about route leak detection and prevention. We all know what to do to prevent route leaks and MANRS is doing a great job here, spreading the word about filtering, RPKI and other related stuff. However, this does not stop all the disturbances and especially leaks to happen all over the Internet. Qrator, for…
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,…