Ethernet

Ethernet

1. Ethernet operation

   • Datalink layer
     • LLC (logical link control)
       • Comunication between upper layers en lower layers. This is typically between the networking software ant the device hardware.
       • This layer takes the network protocol data, which is typically an IPv4 packet, and adds control information to help deliver the packet to the destination node.
       • LLC is implemented in software and independent of the hardware.
     • MAC (media acces control
       • MAC is implemented by hardware, typically in the computer NIC.
       • 2 primary responsibilities: Data encapuslation, Media acces control.
   • Physical layer