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???:LAN????

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Title: Author: xp Last modified by: xp Created Date: 8/31/2002 7:32:23 AM Document presentation format: Company – PowerPoint PPT presentation

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Title: ???:LAN????


1
???LAN????
????????
????????
1. ALOHA??
2. DIX????
3. ????????
4. ????10M?1000M
????????
  • 1. ???
  • ???
  • FDDI
  • ATM

?1?
2
???LAN????
??TCP/IP?ISO?????
??
??
TCP?UDP
???
IP
?????
3
???LAN????
??LAN?????
  • LAN??????OSI??????
  • ???????????????
  • ????????
  • ???????????
  • ?????????
  • ??????????
  • ???????
  • MAC?????
  • ???????????

4
???LAN????
5
???LAN????
??LAN???
6
???LAN????
??LAN??
1. ????(DTE)
  • ???? ?????
  • ?????????

3. ?? ?????????MAC??
4. ????
7
???LAN????
??SNMP?????RMON
1. SNMP??
2. RMON????? RMON MIB
8
???MAC??
????MAC??
1. ???????48?
  • ?IEEE?????????
  • ????
  • IEEE?????????(OUI)
  • ??????3?
  • OUI??????????3??

3. ???? a. ????(BroadCast)
?48? 1??,? XFF-FF-FF-FF-FF-FF
????????????????????
9
???MAC??
b. ????(MultiCast)?????(UniCast)
???????????
4. ?????????????????
10
???MAC??
5. ?????????????
  • ???????
  • IEEE802.3????OUI
  • ??????????????
  • X01-80-C2-00-00-00
  • ??FDDI????????????
  • X01-80-C2-00-01-10

11
???MAC??
II. MAC????
1) ???MAC??
?1. ??????????????????????????
12
???MAC??
?2. ????????????????????,?????????
13
???MAC??
?3. ??????????????????????,?????????
14
???MAC??
2) ???MAC??
  • ?????????
  • MAC?????????,?????????
  • ???????????????
  • ???????????RIF??

15
  • ??ARP?????????

16
  • ???????

17
???MAC??
3. FDDI?MAC??
  • ???????????????MAC????????
  • ???????????????????????
  • ??ARP???FDDI???

18
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