related to network topics such a routing and switching. may include also some topics related to doing qos infrastructure management and administration
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…
RIP is Routing Information Protocol, one of the IGP or Interior Gateway Porotocols called also a vector-based routing protocol in contrast with link-state, hybrid or path-based protocols. The function of this protocol is very simple, send updates about known networks through local interfaces enabled for this sending… In this lab we use a standard version…
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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