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….
In this blog, we’ll explore the operation of IGP interior routing protocol EIGRP over vNET trunks (another way to say networking trunking similar to vlan trunks used in L2 network by switches to trunks multiple traffics from different vlans into the same physical link) Little introduction New IOS release 15.x introduced Easy Virtual Network (EVN)…...
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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 blog, let’s see how we can build an exe file from our py (python) script. Motivation Why it is interesting to build an exe for our py script? poratability, ease of execution, etc. are some reasons why to do so. Instead of opening the IDE, loading the script, run it, an exe file…...
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Introduction In this series of posts we’ll explore routing operation. Let’s start from the general idea of how could we manage traffic, a move from one location to another… ” This person needs to go back home at the evening! ” means that there’s a one way in return route to and from its office…....
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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…
