Cisco Presentation Guide
Cisco Presentation Guide
Cisco Presentation Guide
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Collisions<br />
•When hen a transmitting station detects a<br />
collision, it stops sending it's frame and<br />
sends 32bit Jam sequence to announce<br />
collision to other stations<br />
•jam jam signal may be composed of any binary<br />
data that do not form the proper checksum for<br />
the portion of the frame already transmitted<br />
•most most commonly 101010…<br />
•The The majority of collisions occurs occur very<br />
early in the frame, often before the SFD<br />
•Collision Collision fragments = frames
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