In this post, we’ll discuss the motivation and a basic operation of an MPLS network. In the first part, we’ll introduce this protocol and our setup (using GNS3) that put it into play. We’ll try next, to explore the functionnality of this protocol using a very simple and basic example using both Cisco and HPE…...
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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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In this blog, we study how DUAL route FSM Processes EIGRP Queries. Introduction Let’s recall that EIGRP is one of the so called IGP routing protocols. IGP stands for interior routing protocols as opposed to EGP or exterior routing protocols. In addition EIGRP is a hybrid as it borrows some similarities to distance-vector and link-state…...
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In this blog, we will setup a Checkpoint lab using virtualbox and gns3 on windows. Introduction In this lab we implement a basic security architecture to demonstrate the operation of a firewall cluster to protect our network. Our “security domain” is segmented into four zones: Security topology Our security topology is compound by two security…...
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Dans ce blog, je présente ce travail sur le DAT ou Dossier d’architecture technique d’un point de vue d’un architecte réseau et services (sécurité, qualité de service, gestion d’infrastructure). Le lien vers le travail complet est: D.A.T(er) comme un professionnel, un Architecte… Le DAT… Le dossier d’architecture technique ou DAT s’inscrit en amont dans le…
In this blog, we study RPF operation. Introduction This blog is a part of a serie of blogs about multicast routing: Test network In our test network RPF in action At R2 A “show ip interface brief” shows Digging into the interface tunnel0 details The tunnel was created by PIM process to join the RP…
