練習配置

R1配置：

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#host R1

R1(config)#no ip domain-lo

R1(config)#int s 0/0

R1(config-if)#ip add 172.18.0.1 255.255.0.0

R1(config-if)#cl ra 64000

R1(config-if)#no shut

R1(config-if)#int s 0/1

R1(config-if)#ip add 172.16.0.1 255.255.0.0

R1(config-if)#cl ra 64000

R1(config-if)#no shut

R1(config-if)#exit

R1(config)#enable secret cisco

R1(config)#lin con 0

R1(config-line)#password cisco

R1(config-line)#login

R1(config-line)#logg sy

R1(config-line)#exec-t 0 0

R1(config-line)#exit

R1(config)#lin vty 0 4

R1(config-line)#pas

R1(config-line)#password cisco

R1(config-line)#login

R1(config-line)#exit

R1(config)#service password-encryption

R2配置：

Router>

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain-lo

Router(config)#lin con 0

Router(config-line)#exec-t 0 0

Router(config-line)#logg sy

Router(config-line)#pas cisco

Router(config-line)#lin vty 0 4

Router(config-line)#pas cisco

Router(config-line)#login

Router(config-line)#exit

Router(config)#enable se cisco

Router(config)#ser pas

Router(config)#int s 0/0

Router(config-if)#ip add 172.18.0.2 255.255.0.0

Router(config-if)#no shut

%LINK-5-CHANGED: Interface Serial0/0, changed state to up

Router(config-if)#

Router(config-if)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up

i

Router(config-if)#int s 0/1

Router(config-if)#ip add 172.17.0.1 255.255.0.0

Router(config-if)#cl ra 64000

Router(config-if)#no shut

%LINK-5-CHANGED: Interface Serial0/1, changed state to down

Router(config-if)#int f 0/0

Router(config-if)#ip add 10.13.0.1 255.0.0.0

Router(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Router(config-if)#

Router(config-if)#host R2

R2(config)#

R3配置

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain-lo

Router(config)#host R3

R3(config)#enable se cisco

R3(config)#lin con 0

R3(config-line)#pas cisco

R3(config-line)#login

R3(config-line)#exec-t 0 0

R3(config-line)#logg sy

R3(config-line)#lin vty 0 4

R3(config-line)#pas cisco

R3(config-line)#login

R3(config-line)#exit

R3(config)#ser pas

R3(config)#int s 0/0

R3(config-if)#ip add 172.17.0.2 255.255.0.0

R3(config-if)#no shut

%LINK-5-CHANGED: Interface Serial0/0, changed state to up

R3(config-if)#

R3(config-if)#int s 0/1

R3(config-if)#ip add 172.16.

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up

R3(config-if)#ip add 172.16.0.2 255.255.0.0

R3(config-if)#no shut

R3(config-if)#

%LINK-5-CHANGED: Interface Serial0/1, changed state to up

R3(config-if)#int f 0/0

R3(config-if)#ip add 1

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed state to up

R3(config-if)#ip add 192.168.1.1 255.255.255.0

R3(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

結果：

總結

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