Ethernet Networks: Design, Implementation, Operation, Management 4th phần 4 pot

... Internet, whose first letter is 191 Ethernet Networks: Design, Implementation, Operation, Management. Gilbert Held Copyright  2003 John Wiley & Sons, Ltd. ISBN: 0 -47 0- 844 76-0 182 chapter four Preamble Start ... less than 46 bytes in length, nulls are added to produce a 64- byte minimum-length data field. Thus, a simple query to be transported by Ethernet, such as ‘‘Enter...

Ngày tải lên: 14/08/2014, 02:20

... NETWORK MANAGEMENT F UNCTIONS 541 C ONFIGURATION MANAGEMENT 542 P ERFORMANCE MANAGEMENT 543 F AULT MANAGEMENT 543 A CCOUNTING MANAGEMENT 543 S ECURITY MANAGEMENT 544 10 .4 R EPRESENTATIVE NETWORK MANAGEMENT ... of local area networks. 1 Ethernet Networks: Design, Implementation, Operation, Management. Gilbert Held Copyright  2003 John Wiley & Sons, Ltd. I...

Ngày tải lên: 14/08/2014, 02:20

... format Octet 1 Octet 2 Octet 3 Octet 4 0 Network identifier Host identifier 1 Octet 1 Octet 2 Octet 3 Octet 4 0 Network identifier Host identifier 1 Subnet identifier Figure 5 .40 Class B subnetting. networking ... transfer operation, the first series of segments will have sequence numbers 64 through 79, assuming sequence number 63 was just acknowledged. The ACK value of 28 acknowledges...

Ngày tải lên: 14/08/2014, 02:20

... NEXT 1.0 4. 2 39.1 2.6 53.3 2.5 60.3 4. 0 7.3 29.3 4. 8 43 .3 4. 5 50.6 8.0 10.2 24. 3 6.7 38.2 6.3 45 .6 10.0 11.5 22.7 7.5 36.6 7.0 44 .0 16.0 14. 9 19.3 9.9 33.1 9.2 40 .6 20.0 — — 11.0 31 .4 10.3 39.0 25.0 ... transmitting a frame of 65 Ethernet Networks: Design, Implementation, Operation, Management. Gilbert Held Copyright  2003 John Wiley & Sons, Ltd. ISBN: 0 -...

Ngày tải lên: 14/08/2014, 02:20

... of Ethernet and IEEE 802.3 frames concerns 155 Ethernet Networks: Design, Implementation, Operation, Management. Gilbert Held Copyright  2003 John Wiley & Sons, Ltd. ISBN: 0 -47 0- 844 76-0 ethernet ... on frames transported on Fast Ethernet and Gigabit and 10 Gigabit Ethernet networks. 4. 1 Frame Composition Figure 4. 1 illustrates the general frame composition of...

Ngày tải lên: 14/08/2014, 02:20

... Load Ethernet 1526 40 6 812 72 744 0 14, 880 Fast Ethernet 1526 40 50 8120 72 74, 400 148 ,800 Gigabit Ethernet 1526 40 ,600 81,200 72 744 ,000 1 ,48 8,000 10 Gigabit Ethernet 1526 40 6,000 812,000 72 7 ,44 0,000 ... program 640 ,000 2/hour 2, 844 Save files 12,000 8/hour 2 14 Send/receive e-mail 3,000 6/hour 40 Total secretarial activity = 3,112 × 3 = 9,336 bps 3,112 Total est...

Ngày tải lên: 14/08/2014, 02:20

... vLAN. Server Server 198.78.55.XXX 198.78 .42 .XXX 198.78.55.XXX 198.78.55.XXX 198.78.55.XXX 198.78 .42 .XXX 198.78 .42 .XXX LAN Switch 4 5 0 1 2 3 vLAN1 = Subnet 198.78.55 vLAN2 = Subnet 198.78 .42 Figure 6.37 vLAN creation ... Server Server LAN Switch 0 1 Legend: n n = Port n = MAC address 18 17 4 5 56 78 13 14 15 16 12 11 109 4 3 2 1 23 Figure 6. 34 Layer 2 vLAN. A layer 2 vLA...

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... display 41 6 chapter eight TABLE 8.3 2 .4 GHz DSSS Channels Channel Frequency (MHz) 1 241 2 2 241 6 3 242 2 4 242 7 5 243 2 6 243 7 7 244 2 8 244 7 9 245 2 10 245 7 11 246 2 12 246 7 13 247 3 2 .4 GHz Frequency 2 .48 35 ... Unit SFD 16 bits PLCP preamble 144 bits Payload PLCP header 48 bits PPDU Signal 8 bits Length 16 bits CRC 16 bits SERVICE 8 bits Figure 8. 14 DSSS frame format. wi...

Ngày tải lên: 14/08/2014, 02:20

... 3001 for vty 4, you would enter the following commands: 48 0 chapter nine Internet Router e0 s0 User 198.78 .46 .8 Telnet to 205.131.122.6 Opening created from 205.131.122.6 to 198.78 .46 .8 from port 23 ... for creating a dynamic access list that permits authenticated users access to the 198.78 .46 .0 network. 49 4 chapter nine and unreachable ICMP statements allows traceroute to function...

Ngày tải lên: 14/08/2014, 02:20

... personal computer was between 567 Ethernet Networks: Design, Implementation, Operation, Management. Gilbert Held Copyright  2003 John Wiley & Sons, Ltd. ISBN: 0 -47 0- 844 76-0 578 chapter eleven the ... (MB/s) Theoretical Bit Rate (Gbps) Probable Bit Rate (Gbps) 32 33 132 1.056 0.6 34 32 66 2 64 2.112 1.273 64 33 2 64 2.112 1.273 64 66 528 4. 2 24 2.5 34 5 34 cha...

Ngày tải lên: 14/08/2014, 02:20