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:




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( ).




1. ?

2. ?

3. CDP, ?.

4. ping?

5. ?

6. traceroute?

7. telnet?

 

7. 2.

 

ARP (Address Resolution Protocol)

IP , ARP . , MAC IP ARP , IP . ARP . .

IP IP- ARP , ARP : IP- . , , IP- , , IP . < , IP- > ARP .

 

- , . , . . .

. () , , , . . . . . show ip route. , X , , :

...

C 192.168.4.0/24 is directly connected, Ethernet0

10.0.0.0/16 is subnetted, 3 subnets

C 10.3.0.0 is directly connected, Serial0

C 10.4.0.0 is directly connected, Serial1

C 10.5.0.0 is directly connected, Ethernet1

, . /24 255.255. 255.0, /16 - 255.255.0.0.

( ) . , 192.168.4.46, 192.168.4.0/24 . Ethernet0. 10.3.21.5, Serial0.

. . , , . . :

.

, .

. . , . , .

Cisco ip route





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