13 ethernet
Transcript of 13 ethernet
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Chapter 12
Local Area Networks
• Project 802
• Ethernet
• Token Ring
• FDDI
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-1
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
OSI Model and Project 802
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Logical Link Control (LLC) provides single data link control protocol for all IEEE LANs while Media Access Control (MAC) provides different protocols for different LANs.
MAC contains synchronization, flag, flow and error control specifications necessary to move information from one place to another and the physical address of the next station to reduce and route a packet.
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Figure 12-2
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Project 802
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Figure 12-3
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
PROTOCOL DATA UNIT(PDU) Format
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Figure 12-4
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
PDU Control Field
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Figure 12-5
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
ETHERNET
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Figure 12-6
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Evolution of CSMA/CD
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Figure 12-7
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
MAC Frame
PDU can be from 46 to 1500 bytes
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Figure 12-8
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
10BASE5- THICK ETHERNET
LAN Topology, Baseband signal, maximum segment length 500meters
Ethernet Segments
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Figure 12-9
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-9-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
10BASE5-THICK ETHETNRT
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Figure 12-10
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Transceiver connection in 10Base5
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Figure 12-11
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-11-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
10BASE2-THIN ETHERNET
LAN Topology, reduced cost, easy installation.Shorter range, less capacity.
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Figure 12-12
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-12-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
10BASET
Star topology LAN, maximum length 100meters
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Figure 12-13
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-13-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
1BASE5
Star topology
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Figure 12-14
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
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Figure 12-15
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Passing
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Figure 12-15-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Passing
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Figure 12-15-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Passing
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Figure 12-15-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Passing
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Figure 12-16
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Token Ring Frame
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Figure 12-17
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Data Frame Fields
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Figure 12-17-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Data Frame Fields
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Figure 12-18
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Ring
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Figure 12-19
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
Token Ring Switch
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Figure 12-20
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
MAU
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Figure 12-21
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI
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Figure 12-22
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Example
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Figure 12-22-continued
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Example
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Figure 12-23
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Encoding
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Figure 12-24
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FDDI Layers
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Figure 12-25
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Frames
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Figure 12-26
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FDDI Rings
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Figure 12-27
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Ring Failure
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Figure 12-28
WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998
FDDI Nodes