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…
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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In this post we explore the operation of static routing, epecially the use of the metric feature, in a network that already runs an IGP (RIP routing protocol). Network setup In our 3 routers RIP network, both R1 and R3 advertise 13.13.13.13/32 network into RIP domain R3 is configured to offset (to add) all network…
In this blog let’s study PIM dense multicast routing. Introduction This post is a part of a serie of posts that introduce the operation of multicast routing: We explore in this post, the operation of PIM multicast routing protocol in the by default operation mode PIM Dense mode. The idea is very simple: flood the…...
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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…
