As we know Switch only works on Mac address of host and destination for thecommunication.
In this we learn more about Mac Address.
i) Mac address is present on NIC(Network Intereface Card ) of a pc given by the company who built that.
ii) It is 48 bit Address written in Hexadecimal
Communication Inside a Network:-
Data get from application layer & send to transport layer with an encapsulation of port no . in it & make it a header & then send it to network layer and add its SIP,DIP to header & then it sent to data link layer and then this layer add SMAC & DMAC in the header. So we get header like this .
Message Port SIP DIP SMAC DMAC
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