??? NetSim-Cisco?????

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

• ????
• ???????????????
• ???????

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????

• ????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?????,?
  ????????????????

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Cisco?????

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

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Cisco?????

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

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Cisco?????

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

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Cisco ???????

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

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Cisco ???????

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

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???

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

9
???

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

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???

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

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???????
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???????

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

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???????

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

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?????????
15
????????

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

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

1. ?????????(POST),??CPU????????????????
2. ?????????????????????,???????????(Flash)?TFTP????
   ?ROM(????Cisco IOS??)?
3. ????????
4. ???????
5. ????????,???????????????

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???????

• ????(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??????????

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???????

• ????(Local access)

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???????

• ????(Local access)

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????

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

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????
23
(No Transcript)
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????
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?????

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

26
?????

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

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?????

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

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• Boson NetSim??????????????????,??????????????,????
  ?????
• Boson NetSim??????????,?????Labs
  ??????????????????,??????????????

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????

• ????????????????2811??????2960-24TT-L?????10?????
  ????,??????????IP address???????f0/0, f0/1, f0/2,
  f0/23, f0/24, s0/0, s0/1, s0/2??????Fast
  Ethernet?Serial??,?IP address????WAN??172.16.x/24,
  LAN??192.168.x/24,????????,????????IP
  address,254, 253,PC??????IP address,1, 2

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????
31
??????

• ??2800??Router??2811???,??Router 1(??)?Router
  3(??)??4 Serial,Router 2(??)?Router 4(??)??2
  Serial ?????????????????????,????????????????????,
  ????Create Router??
• ?????Switches??2900???2960-24-TT-L??????WinPC????
  TFTP Server?

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????

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

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????

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

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?????

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

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?????

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

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?????

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

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?????

• 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)?????

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????

1. ????????????????????
2. ??Router?Routed?Routing??????
3. ?????????????
4. ??Cisco????????(Security Device Manager, SDM)?
5. ??????????????
6. ????????????????
7. ???????????????????
8. ??????CLI???????
9. ????Cisco?????