.


:




:

































 

 

 

 


IP




Router1

Router2

Router3

Router1

DCE clockrate 64000;

Router2

Router3

.

.

Router1

Router2

 

 

Router3

, . .

IP .

Router1 → Router2 s0

 

Router1 → Router3 s1

 

Router1 → PC1

PC1, PC2 PC3 .

5 , 2 , 2- 2 , 6 ( 璺).

Router1

Router2

Router3

 

Router1

Router2

Router3

 

PC IP getway. . . PC .

PC1

PC2

PC3

Router1:PC2 →PC3

Router2: PC1 → PC3

Router3: PC1 → PC2

 

PC1 →PC2

PC2 →PC1

PC2 →PC3

 

 

PC3 →PC2

PC3 →PC1

PC1 → PC3

( )


Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router1

ipcef

enablepasswordboson

ip subnet-zero

noip domain-lookup

interface Serial0

ipaddress 172.16.10.1 255.255.255.0

noip directed-broadcast

clockrate 64000

interface Ethernet0

descriptionEthernetinterfaceon Router1

ipaddress 10.1.1.1 255.255.255.0

noip directed-broadcast

ipclassless

noiphttpserver

iproute 1.1.1.0 255.255.255.0 172.16.10.2

iproute 1.1.1.0 255.255.255.0 172.16.10.1

cdpholdtime 60

cdptimer 45

linecon 0

lineaux 0

linevty 0 4

login

passwordboson

noschedulerallocate

end

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router2

ipcef

ip subnet-zero

noip domain-lookup

interface Serial0

noipaddress

noip directed-broadcast

interface Ethernet0

ipaddress 10.1.1.2 255.255.255.0

noip directed-broadcast

ipclassless

noiphttpserver

iproute 0.0.0.0 0.0.0.0 10.1.1.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router4

ipcef

ip subnet-zero

noip domain-lookup

interface Loopback0

ipaddress 1.1.1.1 255.255.255.0

noipdirectedbroadcast

interface Loopbacks0

noipaddress

noipdirectedbroadcast

interfaceLoopback

noipaddress

noipdirectedbroadcast

interface Serial0

ipaddress 172.16.10.2 255.255.255.0

noip directed-broadcast

interface Ethernet0

noipaddress

noip directed-broadcast

ipclassless

noiphttpserver

iproute 0.0.0.0 0.0.0.0 172.16.10.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end


( )


Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router1

ipcef

ip subnet-zero

noip domain-lookup

interface Serial0

ipaddress3.1.1.1 255.255.255.0

noip directed-broadcast

clockrate 64000

interface Serial1

ipaddress3.1.3.1 255.255.255.0

noip directed-broadcast

interface Ethernet0

ipaddress3.1.4.1 255.255.255.0

noip directed-broadcast

interface Bri0

noipaddress

noip directed-broadcast

shutdown

interface Bri0:1

noipaddress

noip directed-broadcast

shutdown

interface Bri0:2

noipaddress

noip directed-broadcast

shutdown

ipclassless

noiphttpserver

iproute3.1.5.0 255.255.255.0 3.1.1.2

iproute3.1.6.0 255.255.255.0 3.1.3.2

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router2

ipcef

ip subnet-zero

noip domain-lookup

interface Serial0

ipaddress3.1.1.2 255.255.255.0

noip directed-broadcast

interface Serial1

ipaddress3.1.2.1 255.255.255.0

noip directed-broadcast

clockrate 64000

interface Ethernet0

ipaddress3.1.5.1 255.255.255.0

noip directed-broadcast

interface Bri0

noipaddress

noip directed-broadcast

shutdown

interface Bri0:1

noipaddress

noip directed-broadcast

shutdown

interface Bri0:2

noipaddress

noip directed-broadcast

shutdown

ipclassless

noiphttpserver

iproute3.1.4.0 255.255.255.0 3.1.1.1

iproute3.1.6.0 255.255.255.0 3.1.2.2

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname Router3

ipcef

ip subnet-zero

noip domain-lookup

interface Serial0

ipaddress3.1.3.2 255.255.255.0

noip directed-broadcast

clockrate 64000

interface Serial1

ipaddress3.1.2.2 255.255.255.0

noip directed-broadcast

interface Ethernet0

ipaddress3.1.6.1 255.255.255.0

noip directed-broadcast

interface Bri0

noipaddress

noip directed-broadcast

shutdown

interface Bri0:1

noipaddress

noip directed-broadcast

shutdown

interface Bri0:2

noipaddress

noip directed-broadcast

shutdown

ipclassless

noiphttpserver

iproute3.1.5.0 255.255.255.0 3.1.2.1

iproute3.1.4.0 255.255.255.0 3.1.3.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname C:

ipcef

ip subnet-zero

noip domain-lookup

interface Ethernet0

ipaddress3.1.4.2 255.255.255.0

noip directed-broadcast

ipclassless

noiphttpserver

iproute 0.0.0.0 0.0.0.0 3.1.4.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

exit

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname C:

ipcef

ip subnet-zero

noip domain-lookup

interface Ethernet0

ipaddress3.1.5.2 255.255.255.0

noip directed-broadcast

ipclassless

noiphttpserver

iproute 0.0.0.0 0.0.0.0 3.1.5.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

exit

 

Version 12.3

servicetimestampsdebuguptime

servicetimestampsloguptime

noservice password-encryption

hostname C:

ipcef

ip subnet-zero

noip domain-lookup

interface Ethernet0

ipaddress3.1.6.2 255.255.255.0

noip directed-broadcast

ipclassless

noiphttpserver

iproute 0.0.0.0 0.0.0.0 3.1.6.1

linecon 0

lineaux 0

linevty 0 4

noschedulerallocate

end

exit


: , IP, getway. ARP, MAC .





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