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ICMP(Internet Control Message Protocol)???

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Title: ICMP(Internet Control Message Protocol) Author: user Last modified by: user Created Date: 7/2/2001 10:43:18 AM Document presentation format – PowerPoint PPT presentation

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Title: ICMP(Internet Control Message Protocol)???

1
ICMP(Internet Control Message Protocol)???

2001/07/03(?)
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2
ICMP??????

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ICMP??????????????????????????????
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??????

3
? ICMP???????????
4
ICMP?????????

ICMP???????2????????????
1.ICMP????????
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2.??????????
???(?????)???(?????)????????
??????????(?????)

5
?ICMP?????? ???
6
1.ICMP???????????

?????????????????????????
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? 1.??????????????????????????????????
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2.??????????????????????????????????
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3.????????????????????????????????????
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???IP????????????????????????
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7
2.ICMP?????????

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IP?????TTL??????????????0??????????
????????????????????????????????
?????
?????
?????????????????????????????????????????????????
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?????????????????????????????????

8
3.ICMP????????????

IP??????????????????????????????
???????ICMP????????????????
????????????ICMP????????????????
???????

9
4.ICMP?????????

?????????????????????????
??????????????????????ICMP????
??????????????????????????????
????????
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10
5.ICMP??????????

???????ICMP?????????????????????????????
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11
A
?ICMP???????
1
???????
2
4
3
B
12
6.ICMP??????????/ ICMP??????????

????????????????????????????????
?????????????????ICMP???????????ICMP
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ICMP????????????????????
??????????????????ICMP?????????
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13
7.ICMP??????????????/ ICMP??????????????

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32?????????????????????????
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14
8.ICMP?????????/ ICMP?????????

RARP?BootP??????????????????????????
???????????????????????????
IP?????????????????????????????
?????????????????0??????????????
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15
9.ICMP??????????????/ ICMP??????????????

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