4.2 ???(Ethernet) - PowerPoint PPT Presentation

1 / 40
About This Presentation
Title:

4.2 ???(Ethernet)

Description:

4 4.1 4.2 Ethernet 4.3 Token Ring 4.4 FDDI 4.5 ... – PowerPoint PPT presentation

Number of Views:90
Avg rating:3.0/5.0
Slides: 41
Provided by: wsncsZju6
Category:
Tags: ethernet | fddi

less

Transcript and Presenter's Notes

Title: 4.2 ???(Ethernet)


1
?4? ???????
2
??????
  • 4.1 ????????
  • 4.2 ???(Ethernet)
  • 4.3 ??????(Token Ring)
  • 4.4 FDDI
  • 4.5 ?????

3
4.1 ????????
  1. ?????????
  2. ????????
  3. ????????
  4. ????????????
  5. ????????

4
1)?????????
  • ??
  • LANLocal Area Network?????????,????????????
    ?????,????????????????????
  • ??
  • (1)????????????(??????)?
  • (2)??????????,????????,???10Mbps?1000Mbps?
  • (3)????????,??????10-810-10?
  • (4)??????(????????????????????????

5
2)????????
  • ??????????????
  • ???????
  • ???
  • ??
  • ??

6
???
  • ????????CSMA/CD?
  • ????????????????
  • ?????????????,??????????????,?????????????????
  • ????????

7
??
  • ????????????
  • ????????????????????????
  • ????????????????,???????????????????????
  • ????IBM???(Token Ring)?????(Cambrige
    Ring)??FDDI?????

8
??
  • ?????????????????
  • ??????????????????
  • ??????????CBX?

9
3)????????
  • LAN?????????????????
  • ??????????,?????????????????
  • ????????????????????,???????

10
4)????????????
  • ???????????????????????????,?????????????????
  • ????????????
  • ????????????(CSMA/CD)
  • ????(Control Token)
  • ???(Slotted Ring)

11
CSMA/CD
  • ???????????????????????
  • ????????????
  • ?????????????
  • ???????????????????,??????????????????
  • ?????,????????????????????(???????),????????????
    ?????,?????????(??)???

12
????(Control Token)
  • ??????????
  • ?????????,???????,????,??????????????
  • ????
  • ? ?????????,???????????
  • ? ?????????????????????????
  • ? ????????????????,????????????????,????????????
    ????????

13
???/????
14
5)????????
  • 802.2??????
  • 802.3CSMA/CD??????????
  • 802.4Token Bus??????????
  • 802.5Token Ring??????????
  • 802.8?????
  • 802.11????

15
(No Transcript)
16
4.2 ???(Ethernet)
  1. ??????
  2. ?????
  3. ?????
  4. ?????

17
1)??????
??
???
???
18
??? gt ????(?????)
????????IP?? gt MAC??? ???(Packet) gt ???(Frame)?
19
2) ?????
  • 10Base5????????
  • 10Base2????????
  • 10BaseT?????????????,??????
  • ??????????100BaseT? 100Mb/s,??5?????????
  • 10/100?????????
  • G??????

20
3) ?????(????)
  • ?????
  • ?????
  • ???????????(best-effort delivery) ?
  • ?????????

21
CSMA/CD
  • CSMA/CDCarrier Sense Multiple Access with
    Collision Detection,????????????????
  • ????????????,????????????,?????,??????,??????????
  • ??????????????,????????????????????,??????????

22
CSMA/CD(?)
  • ????????????,????????,???????????
  • ??????????????,??????????
  • ???????????????????????????,????????????,????????
    ????????????,?????,???

23
?????IP??
  • IEEE(??????????)??????????????????????
  • MAC??????48??,6????
  • ??02-60-8C-0A-00-80?
  • IP??????????MAC???????
  • ????MAC??? ipconfig/all

24
4)?????
?????????????
?????????
???????????
25
?????
26
4.3 ??????(Token Ring)
  1. ??????
  2. ???????
  3. ???????
  4. ?????????

27
1)???????
28
2)???????
  • ?????????????????????????????,??????????????????
  • ?????/??
  • ?????????????????,???????????????????,????????,??
    ??????,??????????,?????????????
  • ??????????????????,???????????????,???????????,??
    ????????? ?

29
3)???????
30
4)?????????
  • ??????????????????????????????,??????????????????
    ?????,???????????
  • ?????????????????????,??????????3??????????
  • ????????????????????,?????????????

31
4.4 FDDI
  1. FDDI???????
  2. FDDI?????
  3. FDDI?????
  4. FDDI????

32
1) FDDI???????
33
2) FDDI?????
  • ?????????
  • ???????????????????,????????,??????,??????

34
3) FDDI?????
35
4) FDDI????
36
4.5 ?????
  1. ????????
  2. IEEE 802.11??
  3. ???????

37
1) ????????
  • ?????????(NIC)??????(APAccess Point)????
  • NIC?PC??????????????????
  • NIC??2Mbps?5Mbps?11Mbps?
  • NIC??PCMCIA?ISA?PCI?
  • AP????????????????,?????????
  • WLAN??WLAN??????2.4GHz?

38
1) ????????
39
2)IEEE 802.11??
  • ????????CSMA/CA?
  • 802.11b
  • ????2.4GHz?
  • ??????5.5?11Mbps?

40
3)???????
Write a Comment
User Comments (0)
About PowerShow.com