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