ETHERNET

ETHERNET

1. LAN technology most used today

2. Models

   • Models GigabiteEthernet
   • Fast ethernet
   • Ethernet

3. Works

   • In the physical layer
   • Datalink layer
   • standards
     • IEEE 808.2
     • IEEE 802.3

4. Ethernet raster fields

   • FCS
   • DATA
   • Preamble
   • Destination mac address
   • Mac address origin
   • Ethertype

5. Mac sublayer

   • Data encapsulation
     • Frame delimitation
     • Addressing
     • Error detection
   • Media access control

6. Basics of switches

   • a layer two ethernet switch uses mac addresses to make forwarding decisions