This post is a part of series of posts about RIP dynamic routing protocol. Here we deepen our understanding on how RIP protocol advertises learnt RIP routes. A simple case is where a route is in the middle of this update process dans got a better route than RIP. Introduction Let’s recall first that RIP…
In this post, we work on our understading of the operation of RIP and how split horizon rule work Lab setup In our setup, R1 and R2 routers are in RIP domain and exchange information about loopback 0 and 1 networks. R1 is participating also to a static routing domain and advertises loopback 88 and…
In this blog let’s discover the world of Zabbix… Introduction Zabbix is a free infrastructure monitoring tool that collects and displays measurements about networks, servers, machines, business services, containers, cloud infrastructure, IoT, websites, applications and other services. In this blog, let’s explore in depth the world of Zabbix : what we can do with it?…...
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In this blog let’s study from the source multicast routing Introduction This blog is a part of a serie of articles about multicast routing: Previously, we’ve introduced multicast routing and PIM protocol operation in dense mode. In this blog, we’ll check the operation PIM multicast routing protocol from the source perspective. The lab setup The…...
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Introduction Dynamic routing protocols exchange routing information before populating routing tables and forwarding packets. For this task, RIP (routing information protocol) put into play many machanisms and rules to guarantee that this routing information exchange is consistent: not contradictory among routers. An example of such inconsistency is to receive the same routing information on two…
Dans cet article, nous automatisons le traitement des fichiers de configuration des routeurs Cisco dans un classeur Excel. Introduction Comment récupérer une certaine information d’un fichier de configuration (routeur IOS de Cisco par exemple) et la mettre dans un fichier Excel en vue d’un traitement plus avancé. Ce traitement peut être simplement de comparer cette…...
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