贴出配置为什么没成功呢?
Building configuration...
Current configuration : 776 bytes
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version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
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hostname Router
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interface FastEthernet0/0
ip address 172.168.3.1 255.255.255.0
duplex auto
speed auto
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interface FastEthernet1/0
ip address 172.168.4.1 255.255.255.0
ip access-group 100 in
duplex auto
speed auto
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interface Serial2/0
ip address 172.168.0.1 255.255.255.0
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interface Serial3/0
no ip address
shutdown
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interface FastEthernet4/0
no ip address
shutdown
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interface FastEthernet5/0
no ip address
shutdown
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ip classless
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access-list 100 deny tcp host 172.168.3.13 172.168.3.0 0.0.0.255 eq ftp
access-list 100 permit ip any any
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line con 0
line vty 0 4
login
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end