This post is part of a series of blogs about RIP functionning from the basic to the more complex operation. Let’s recall that RIP stands for Routing Information Protocol and is an IGP (Interior Gateway Protocol) in the same category as OSPF, EIGRP, etc.; most implementations of RIP are not centralized (distributed) meaning that no…
In this post we review a basic multicast routing operation, step by step using output from routers console and traffic packet capture (using wireshark). Introduction This blog is a part of a serie of blogs about multicast routing: How does multicast work In IPv4, multicasting servers use class D range of addresses: 224.0.0.0-239.255.255.255. Some addresses…...
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Let’s discuss in this blog, the operation of routing using a simple network example: a home network. Introduction The person in A wants to join its colleagues in location B through the network topology described in the below figure. This person needs to go back home at the evening! Should the one way and return…...
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Dans ce blog, nous discutons vPV et VSS. Introduction Si l’objectif “historique” est le même : s’affranchir de la limitation de STP (blocage de ports pour prévenir les boucles), de l’usage des FHRP (HSRP, VRRP) pour équilibrer les liens, d’augmenter les performances en débit et capacité de calcul, d’éliminer les SPOF liés à l’utilisation d’un…
Dans ce blog, nous discuterons du SD-WAN pour essayer de comprendre son enjeu et avantage pour l’entreprise. Nous commençons par explorer l’offre du marché, définir la technologie et son principe de base, du besoin de son usage et scénarios, avant de discuter de son architecture, implémentation et troubleshooting de son opération. Marché (offres du) Incontestablement…
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…...
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