Agenda ~???~

1
???????? ????(???)
2
Agenda ???

• ???????????
• IOS???????
• ????????
• IOS????????
• ????????
• ???????????
• show????
• copy????
• debug????
• CDP (Cisco Discovery Protocol)
• ????

3
???????????

• ????????????????
• ?Telnet???VTY??
• ?TFTP??????????IOS????/??????

4
IOS???????
5
?????????
IOS????????NVRAM???????????IOS????RAM???????,?????
???????????????????????????????,RAM???????????????
???????
6
????????
7
IOS????????

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

8
enable????????

• enable??????????????????????????
• ????????????????
• (config) enable secret ?????
  ????????????????????????

9
vty(virtual type terminal)????????
router(config)line vty 0 4 router(config-line)p
assword test router(config-line)login
? ?????? test ???

• Telnet ?????VTY ?????????????????????????????????
  ????????

10
????????????
(config) interface ?????? (config-if) ip
address IP???? ???????? (config-if) no
shutdown ??? ?????????????
11
????????????
Switch(config)interface fastethernet
0/1 Switch(config-if) speed 100 Switch(config-if)
duplex full
? 100/full???
Switch(config-if) speed auto Switch(config-if)
duplex auto
? auto/auto???
? ?????????????
Switchshow fastethernet 0/1
? ???????????????
Switchshow interface status
12
show????
ciscoshow running-config ciscoshow
startup-config ciscoshow version ciscoshow ip
route ciscoshow flash ciscoshow process
cpu ciscoshow debugging
? ????????????? ? ?????????? ? ????
???????????????? ?????? ????????????????????
??????? ? ????????????? ? ?????
????????????????? ? ????????????????????????
CPU?????? ? ????????????????????????
???????????
13
copy????
Switchcopy running-config startup-config Switchw
rite memory Switchcopy start run Switchcopy
run tftp Switchcopy start tftp Switchcopy
tftp run Switchcopy tftp start
? running-config?startup-config???? ?
startup-config?running-config???? ?
running-config?tftp?????? ? startup-config?tftp??
???? ? TFTP?????????? running-config????
? TFTP?????????? startup-config????
14
debug????
Router debug debug?? Router debug ip
routing
? ?????? ??????????? ??????????????????
Router no debug debug?? Router no debug all
? ???debug???
show??????????????, ?????????????????????????????,
debug??????????
15
CDP(Cisco Discovery Protocol)

• ?????????????????????
• ??? 2 ??????

? ?????????????
Routershow cdp neighbors
Capability Codes R - Router, T - Trans Bridge,
B - Source Route Bridge S -
Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme
Capability Platform Port ID R2-AGS
Ser 1 129 R 2500
Ser 0 R6-2500 Eth 0 144
R 4000 Eth 0
Routerconf t Enter configuration commands,
one per line. End with CNTL/Z.
Router(config)interface s1 Router(config-if)n
o cdp enable
? CDP???
? CDP???
Router(config-if)cdp enable
16
????
?????????????
????switch01 IP????192.168.1.1/255.255.255.0 ???
???100/full enable?????enable01 vty?????vty01
????switch02 IP????192.168.1.2/255.255.255.0 ???
???100/full enable?????enable02 vty?????vty02


Fe0/1
Fe0/1
Fe0/2
Fe0/2
Fe0/2
Fe0/2
Fe0/1
Fe0/1
????switch03 IP????192.168.1.3/255.255.255.0 ???
???100/full enable?????enable03 vty?????vty03
????switch04 IP????192.168.1.4/255.255.255.0 ???
???100/full enable?????enable04 vty?????vty04