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IEEE 802.3 Ethernet Header and Trailer Fields

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CCENT 2.Fundamentals of Ethernet LANs Mind Map on IEEE 802.3 Ethernet Header and Trailer Fields, created by jce299792458 on 05/10/2013.
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Mind Map by jce299792458, updated more than 1 year ago
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Created by jce299792458 over 11 years ago
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Resource summary

IEEE 802.3 Ethernet Header and Trailer Fields
  1. Preamble
    1. 7
      1. Synchronization
    2. Start Frame Delimiter (SFD)
      1. 1
        1. Signifies that the next byte begins the Destination MAC Address field
      2. Destination MAC Address
        1. 6
          1. Identifies the intended recipient of this frame
        2. Source MAC Address
          1. 6
            1. Identifies the sender of this frame
          2. Type
            1. 2
              1. Defines the type of protocol listed inside the frame
                1. IPv4
                  1. IPv6
              2. Data and Pad
                1. 46 - 1500
                  1. Holds data from a higher layer, typically an L3PDU
                2. Frame Check Sequence (FCS)
                  1. 4
                    1. Provides a method for the receiving NIC to determine whether the frame experienced transmission errors
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