Sunday, 25 December 2016

How routers communicate

If two laptops want to communicate in a routing environment, they must be on the same subnet. Laptop 1 will send echo (address resolution protocol) across the network which contains recipient's Mac address and IP. Every system on the network will check if it is their own packet (information). If it is their own they will send back an acknowledgement and if it is not their own they will discard it.
The OSI protocol is the best protocol that explains what happens in a network. OSI stands for Open System Interconnection and it usually communicates with system's Mac address.


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