S2#sh running-config 
Building configuration...

Current configuration : 1150 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 S2
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!
!
!
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spanning-tree mode pvst
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interface FastEthernet0/1
 switchport trunk allowed vlan 1-100
 switchport mode trunk
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interface FastEthernet0/2
 switchport access vlan 10
 switchport mode access
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interface FastEthernet0/3
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interface FastEthernet0/4
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interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
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interface FastEthernet0/8
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interface FastEthernet0/9
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interface FastEthernet0/10
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interface FastEthernet0/11
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interface FastEthernet0/12
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interface FastEthernet0/13
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interface FastEthernet0/14
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interface FastEthernet0/15
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interface FastEthernet0/16
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interface FastEthernet0/17
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interface FastEthernet0/18
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interface FastEthernet0/19
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interface FastEthernet0/20
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interface FastEthernet0/21
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interface FastEthernet0/22
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interface FastEthernet0/23
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interface FastEthernet0/24
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interface GigabitEthernet0/1
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interface GigabitEthernet0/2
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interface Vlan1
 no ip address
 shutdown
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!
!
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line con 0
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line vty 0 4
 login
line vty 5 15
 login
!
!
end