?????????,??????????????????????????,???????????????????????????Internet???????????????

1
????????

• ??????
• ? ?

2
??????????

• ?????????,??????????????????????????,???????????
  ????????????????Internet???????????????

3
???
???????????????(3Com)
??
2?? Switch 33003
4??
3??
???
1??2? Switch 33002
1??3? Switch 33002
??????? Switch 3300
????? ?????
1??6? Switch 3300
?????
???
CISCO 2621
Switch 33002
NETPOWER FIREWALL
????,????
????
?????Switch 4005
MIS???
?????
???1? ????
10M
100M
1000M
??????????????
4
?????IP?????
5
??????

• DHCP?????172.16.0.4??????IP??
• WINS?????172.16.0.4??NetBIOS????,??????????????
  ?
• DNS?????
• ??159.226.228.1,??DNS?? ??172.16.0.4
• ?????159.226.228.62

6
???????????

• MIS??MIS?????????????????????????????????,???????
  ???,MIS?????????????????,????????????????????????
  ??????????,?????????????????????????????ftp//172
  .16.70.23/semi
• ftp??ftp//172.16.70.23

7
???????????

• Web???????http//www.semi.ac.cn
• ?????http//lib.semi.ac.cn8080
• ???????? http//lib.semi.ac.cn8080/tsh
• ?????1pop3???red.semi.ac.cn?pop3.semi.ac.cn
• smtp???red.semi.ac.cn
  ?smtp.semi.ac.cn
• ip???172.16.70.70,?1
  59.226.228.1
• ?????2pop3???yellow.semi.ac.cn
• smtp???yellow.semi.ac
  .cn?smtp.semi.ac.cn
• ip??159.226.228.70
• http//yellow.semi.ac
  .cn/exchange

8
???????????

• ?????????????,????????,????????,?????????????????
  ?
• ??????172.16.0.12,??159.226.228.5
• ??????smtp.semi.ac.cn
• ???????,??exchang??????????,???????officescan?
• ????http//172.16.0.3/officescan

9
???????????

• ????????????
• ???????red????,??? 172.16.70.70
• ?????NAT?????159.226.228.1,???????????,???????
  ??172.16.70.70,?????????DNS??????

10
??E-mail???????DNS???

• ?????,????????????????????DNS????????
• ??????ping red.semi.ac.cn????,???159.226.228.
  1????,??????,?????dns??????172.16.0.4
• ????,????,??1????????????

11
???????????

• ??http//lib.semi.ac.cn8080/tsh??E-mail???,??????
  ???,??????????105?,????24??????E-mail??,??????????
  ???????,?????????????????

12
??????????

• ???????????????????????????????????TCP/IP??,?????
  ?TCP/IP???????????????IP???????
• win9x???winipcfg
• win2000\xp???Dos????ipconfig /n
• ??/all???????,/release???IP??,renew????
  ?IP??

13
??????????

• ??,?????????????????,??????????????????,??????????
  ??????????,????,?????????20?????????50???????,????
  ???
• ?????????
• 1???????????
• 2??windows?auto update????
• 3???????,???????????
• 4????????,???????,?????????????????????????

14
????????

• ??8???????????????????
• ???????????
• 1??????????
• 2????????????
• 3??????????officescan
• ????http//172.16.0.3/officescan
• 4??????????,???????

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

• ?????,?????????????,????????????????????????
• ?????????,???????
• ????
• 1??ipconfig????????IP??
• 2?ping????????,??????
• 3?ping?????172.16.0.51?????
• 4?ping???????172.16.0.1?????

16
???????????

• ???????,???winipcfg?ipconfig??,??169.X.X.X??,?????
  ?????IP,?????????IP??,???????????????????????,????
  ???,???????????,????,???????????,?????,???????????
  ??????????,???IP?????,?????????????IP????????,??DH
  CP??????,???????

17
?????????

• Msconfig win9x\XP??????????
• netstat ????????
• nbtstat -a ip?? ???IP??NetBIOS??? ????????
• Scanreg win98???????????

18
????????????

• ??????,????????,???????????????20?????????????
• ??????,??????????????,????????
• ???????,?????????
• ?????,???????

19

• ??!