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Network Engineering 101- How packet travels through the network

  ARP Table : Mapping of IP Address to MAC address Mac Address Table : Mapping of Switchports to Mac Address Routing Table : Mapping of IP Networks to Interfaces Steps 1.)    Host A has data for Host D -         Host already knows Host D’s IP Address -         Host   A creates a L3 header -         Host A needs to learn Default Gateway’s Mac address 2.)    Host A sends an ARP request for 11.11.11.1 3.)    Switch X Receives Frame -         Switch X learns MAC address Mapping on Port 2 4.)    Host B discards frame 5.)    Router receives ARP request – Router learns Host A’s ARP mapping 6.)    Router generates ARP response 7.)    Switch X receives frame -         Switch X lea...

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