In this post, let’s recall what is subnetting for routing and switching purposes and how it is done. Motivation Network subnetting is very important subject that maybe referred to as VLSM for va...
In this blog, let’s discover how ethernet cabling helps improve the speed over copper. Introduction In this post let’s talk about cabling, especially ethernet cabling to meet speeds of 1 g...
HSRP is one of the most know FHRP (First Hop Routing) protocols proposed by Cisco to help secure (in terms of redundancy) the gateway (for hosts or servers) in a LAN. The objective is simple: configur...
In this blog, let’s build our first IPv6 packet. Introduction The idea of this lab is to craft an IPv6 packet from scratch using Python and Scapy library. The IDE I use is JetBrains PyCharm Comm...
In this post we’ll deep into the operation of BGP that is a Border Gateway protocol aimed at connecting (routing information exchange) autonomous system in contrast with IGP (Interior Gateway Pr...
By definition, the BGP synchronization rule requires that when a BGP router receives information about a network from an I-BGP neighbor, it does not use this information until a matching route : stati...