r3#show run
Building configuration...Current configuration : 853 bytes
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version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname r3
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boot-start-marker
boot-end-marker
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no aaa new-model
ip subnet-zero
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ip cef
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interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
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interface FastEthernet1/0
no ip address
duplex auto
speed auto
!
interface FastEthernet1/0.10
encapsulation dot1Q 10
ip address 192.168.10.254 255.255.255.0
no snmp trap link-status
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interface FastEthernet1/0.20
encapsulation dot1Q 20
ip address 192.168.20.254 255.255.255.0
no snmp trap link-status
!
interface FastEthernet1/0.30
encapsulation dot1Q 30
ip address 192.168.30.254 255.255.255.0
no snmp trap link-status
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ip http server
ip classless
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line con 0
line aux 0
line vty 0 4
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end