??15 NetSim-Cisco?????

1
??15 NetSim-Cisco?????

• ????
• ???????????????
• ???????

2
????

• ????80????????Cisco?????,??????????90??,????????
  ????????ISP????????????Cisco?????
• Cisco???????ATM / Frame-Relay??????????????(Giga
  Switched Router)???????(Voice Signaling)??????????
  ??????(Voice Value-Added Services)???????(DSL)????
  ??????????????/???LAN???????????Internet??????????
  ??
• ???????CiscoInternetwork Operating System(Cisco
  IOS)?????Cisco IOS????????????,?????????????????
• ????????, Cisco??????????????,????????Cisco?????,?
  ????????????????

3
Cisco?????

• ????(Associate)???????????,????????????
• CCNA(Cisco Certified Network Associate)??????????
  ???????????Cisco??????????
• CCDA(Cisco Certified Design Associate)?

4
Cisco?????

• ????(Professional)???????????,?????????????,?????
  ??????
• CCDP(Cisco Certified Design Professional)?
• CCIP(Cisco Certified Internetwork Professional)?
• CCNP(Cisco Certified Network Professional)?
• CCSP(Cisco Certified Security Professional)?

5
Cisco?????

• ????(CCIE)??CCIE??,?????????????????
• CCIE(Cisco Certified Internetwork
  Expert)??????Internetworking?????????

6
Cisco ???????

• Cisco ?????????????????,?????????????,???????????,
  ????????????????
• Cisco????????,??????????

7
Cisco ???????

• ???(Core Layer)??????????????????,???????????????
  ????????????????????????????,????????,????????????
  ,????????????????
• ???(Distribution Layer)???????????,??????????????
  ??,?????(WAN)???,?????????????????????????????????
  ????/????????????????????????
• ???(Access Layer)???????????????,????????????????
  ?????????????????????????????????,??????????????

8
???

• ?????????????????, ?????????(Packet),????/????????
  ?(Head Parameter),???????????????????????????,????
  ???????,????????????????,????LAN?WAN?
• ????OSI?????????-???(Network Layer)??????????
• 1. ????,????????????????
• 2. ????????,?????
• 3. ???????

9
???

• ??????????????,??????????????(?TCP/IP?IPX??),?????
  ?????????????,????????????????,??????????????

10
???

• ????????????????????????????,???????????,????????
  ??,?????????????
• ???????????????????,?????????
• ????????????????,??????????,????,???????????????
  ??,????????,???????
• ??????????????(Access-list)?????????

11
???????
12
???????

• ?????(CPU)???????
• ?????
• ?????(ROM)????????,????ROM??????????,?Cisco?IOS??
  ??????
• ?????(FLASH)??Cisco IOS???
• ?????????(NVRAM)??????,????????????,????????,????
  ???,????????????,?????????
• ????(RAM)Cisco IOS??????????,????????????????????
  ?????????????????????

13
???????

• ??????
• ???????????????
• ????????????????????
• ????????????????????
• ??????????????????????

14
?????????
15
????????

• Cisco????Cisco????????(Internetwork Operating
  SystemIOS)???IOS???????(Command Line
  InterfaceCLI),??????????????????????????
• IOS???????????????????,???????????????????????????
  ????

16
???????
17
???????

• ?????????(POST),??CPU????????????????
• ?????????????????????,???????????(Flash)?TFTP????
  ?ROM(????Cisco IOS??)?
• ????????
• ???????
• ????????,???????????????

18
???????

• ????(Local access)????????????????,??????????????
  ??RJ-45???DB-9?DB-25????,???????,????????????,????
  ??9600 BPS,8?????,??????,1?????,??????,???????????
  ????
• ??????(Remote dial-up access)?????????????????
• ????(Network access)??????????IP??,??telnet
  ?????????????
• ??????(Security Device Manager (SDM))??????????IP
  ??,?????http/https??????????

19
???????

• ????(Local access)

20
???????

• ????(Local access)

21
????

• ???????(CLI command-line interface)?,???????????
  ?,??Router??????(config-if)???????????(?gt?)
• Router(config-if)
• ?CLI?????EXEC?????,??????IOS??,????????,??????????
  ??

22
????
23
(No Transcript)
24
????
25
?????

• ????
• ?????????,???????????,?????????????,??????????????
  ??????????????????????,???????,?????????????
• ???????????????????,????????????,???????????????
  ?????,????????????????????????

26
?????

• ???????history??
• Cisco IOS??????,??Linux?????????,????????,?????Tab
  ???????,????????????????,????show?sh????,????,
  ???sh?,????Tab??,???????show??,???????,???????
  ????,?????????????????Cisco IOS??????,?????????,??
  ?????????????,????configure terminal??????????????
  ,????????c??????configure?clear?copy?clock?cd,????
  ?c???????????,??????????,???,??co???????

27
?????

• ???????,????????????,?????????????Ctrl??P?,??????
  ??????????????????Ctrl??N?,??????????????????
• ???????????,????????????????????
• ?Ctrl??B?????????
• ?Ctrl??F?????????
• ?Ctrl??A??????????
• ?Ctrl??E??????????
• ???????????,???????????no ??,??shutdown???????,???
  ????no shutdown???

28
????

• Boson NetSim??????????????????,??????????????,????
  ?????
• ??????,????????,??Boson NetSim for CCNP????,Boson
  Network Designer??????????
• Boson NetSim??????????,?????Lab
  Navigator???????????????????,??????????????

29
????

• ????????????????2621??????2950???????????????,???
  ???????IP address???????f0/0, f0/1, f0/2, f0/12,
  s0. s1, s2??????Fast Ethernet?Serial??,?IP
  address????WAN??172.16.x/24,LAN??192.168.x/24,????
  ????,????????IP address,254, 253,PC??????IP
  address,1, 2

30
????
31
??????

• ?????2600??Router??2621???,??Router 1(??)?Router
  3(??)??2 WAN port(s),WAN 1 Options?2 Serial,WAN 2
  Options?1 Serial,Router 2(??)?Router 4(??)??1 WAN
  port(s),WAN 1 Options?2 Serial????????????????????
  ?,????????????????????,????Apply??
• ?????Switches??2900???2950??????Win98????(PC 1,
  PC 2, PC 4, PC 6) ??TFTP????(PC 3, PC 5) ?

32
????

• ???????Ethernet???Serial???ISDN?????,???,?????????
  ?????
• ????Ethernet
• ????ISDN/Dialup
• ????Serial PPP
• ????Serial Frame

33
????

• ?????????,???????????????????(clocking)??,???DCE??
  ?
• ?????????????CSU/DSU???,???????CSU/DSU,???????????
  ?????,?????????DCE???????,????????clock rate
  ???,??????Router 1,Serial 0???????,????????????,??
  ??????????

34
?????

• show???????
• ???????????show??,???????????,????????????????IP??
  ?????,???????????????????,?????????show??,??????
  ??????,?????????????
• show version
• ???????IOS??(12.1)?????????????(2?Fast
  Ethernet???3?????)?32Kb???????8MB
  flash???????0X2102?

35
?????

• show flash
• ????????Flash?IOS?????
• show interface
• ??????????????????????????????????????Serial
  0?????,??show interface serial 0(sh int s0)???
• show protocols
• ????????3??????????,?????Router????????,??????????
  ??????IP???
• show ip
• ??????????????IP???????????????

36
?????

• show ip interface brief
• ???????????????,????????????IP???????,??up??????
  ,administratively down????????????
• show ip route
• ????????????
• show running-config
• ????????????????????,??????????????????

37
?????

• show startup-config
• ????????????NVRAM??????,????????????,?????????,???
  ???copy running-config startup-config(copy run
  start)??,???NVRAM?????????
• show history
• ??????????????
• show user?show clock
• ??????????????????,????????????
• show cdp?show cdp neighbors
• ???????CDP(Cisco Discovery Protocols)?????

38
????

• ????????????????????
• ??Router?Routed?Routing??????
• ?????????????
• ??Cisco????????(Security Device Manager, SDM)?
• ??????????????
• ????????????????
• ???????????????????
• ??????CLI???????
• ????Cisco?????