.


:




:

































 

 

 

 


tracert




tracert , IP- .

tracert . ICMP IP. TTL IP-.

, , TTL . TTL 1, , , ICMP- " ". , ICMP-, IP- .

tracert. IP-, TTL, . , ( TTL 1) ICMP- . , . tracert TTL 2, IP- . , . .

. 4.31.

 

. 4.31 tracert

 

, IP , TTL 30.

TTL (1, 2, 3 ..) (IP-) ICMP-.

TTL 3 . ICMP- .

, , . [2]

:

1.

, (PC), (. 4.32):

 

. 4.32

 

Router0 . .

2.

PC0-PC4 IP- ( 4.2). IP- 192.168.3.1. IP- DNS- , .. .

 

4.2

IP-
PC0 192.168.3.3 255.255.255.0
PC1 192.168.3.4 255.255.255.0
PC2 192.168.3.5 255.255.255.0
PC3 192.168.3.6 255.255.255.0
PC4 192.168.3.7 255.255.255.0

 

PC5, Laptop0, PC6 IP- ( 4.3). IP- 192.168.5.1. IP- DNS- .

 

4.3

IP-
PC5 192.168.5.3 255.255.255.0
Laptop0 192.168.5.4 255.255.255.0
PC6 192.168.5.5 255.255.255.0

 

IP-, (. 4.33):

 

. 4.33

 

3.

, . FastEthernet0/0:

1) ();

2) Config;

3) FastEthernet0/0, IP- (. 4.34).





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