18 - Ethernet Protocol Technologies Switches Self-Learning...

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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points Ethernet Cheap, High-Speed Link Layer Communication Daniel Zappala Brigham Young University Computer Science Department Ethernet Daniel Zappala 1/18
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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points 1 Ethernet 2 Protocol 3 Technologies 4 Switches 5 Self-Learning 6 Take-Home Points Ethernet Daniel Zappala 2/18
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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points Questions of the Day How do computers identify each other on a link? How does Ethernet work? Ethernet Daniel Zappala 3/18
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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points Ethernet dominant wired LAN technology very inexpensive: $20 for 100 Mbps simpler and cheaper than FDDI (token ring), ATM speeds have improved dramatically over the years: 10 Mbps - 10 Gbps Ethernet Daniel Zappala 4/18
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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points Ethernet Topologies originally used a bus now nearly all installations use a star: hub or switch Ethernet Daniel Zappala 5/18
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Ethernet Protocol Technologies Switches Self-Learning Take-Home Points Ethernet Frame Format IP packet encapsulated inside Ethernet Frame preamble : 7 bytes of 10101010 followed by one byte of 10101011 used to synchronize the receiver and sender clock rates addresses : 6 bytes type : higher level protocol (IP, IPX (Netware), AppleTalk) CRC : error detection/correction Ethernet Daniel Zappala 6/18
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Ethernet Protocol Technologies Switches Self-Learning
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18 - Ethernet Protocol Technologies Switches Self-Learning...

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