253981
Description
Mind Map by jce299792458, updated more than 1 year ago
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Created by jce299792458
over 10 years ago
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IEEE 802.3 Ethernet Header and Trailer
Fields
- Preamble
- 7
- Synchronization
- Synchronization
- 7
- Start Frame Delimiter
(SFD)
- 1
- Signifies that the next byte begins the Destination MAC
Address field
- Signifies that the next byte begins the Destination MAC
Address field
- 1
- Destination MAC
Address
- 6
- Identifies the intended recipient of this frame
- Identifies the intended recipient of this frame
- 6
- Source MAC
Address
- 6
- Identifies the sender of this frame
- Identifies the sender of this frame
- 6
- Type
- 2
- Defines the type of protocol listed inside the frame
- IPv4
- IPv6
- IPv4
- Defines the type of protocol listed inside the frame
- 2
- Data and Pad
- 46 - 1500
- Holds data from a higher layer, typically an L3PDU
- Holds data from a higher layer, typically an L3PDU
- 46 - 1500
- Frame Check
Sequence (FCS)
- 4
- Provides a method for the receiving NIC to determine whether
the frame experienced transmission errors
- Provides a method for the receiving NIC to determine whether
the frame experienced transmission errors
- 4
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