In this blog, we discuss when a gateway decides that it’s not a good gateway any more and proposes a new gateway to the host by setting redirection. Introduction We explore how a gateway (a router) present in a LAN handles routing to the outside of this network and uses redirection to enhance this operation….
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…
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…
Guide pratique de la réussite d’un Dossier d’Archiecture Technique ou DAT. Le lien vers le travail complet est: D.A.T(er) comme un professionnel, un Architecte… et Ergonome! Au centre de cette activité, le DAT Le DAT s’inscrit en amont dans le processus de définition et réalisation d’une solution technique en réponse à une demande besoin. Il se…
In this blog, we introduce SSM way of multicasting. Introduction and definitions This post is a part of a serie of post about Multicast operation from the most basic setup to a much complicated one (scenario that include more routing and receiving options, etc.). We will explore the operation of SSM (Source Specific Multicast) in…...
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In this blog let’s try to connect to a home network from outside (internet) in a secure manner using SSL. NAT and PAT NAT and PAT is what allowed local IP addresses translation or mapping to some routable public IP address (over the internet). This mapping can be one to one (NAT) or many to…
