core#show running-config 
Building configuration...

Current configuration : 1374 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 core
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ip routing
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spanning-tree mode pvst
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interface FastEthernet0/1
 switchport access vlan 10
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interface FastEthernet0/2
 switchport access vlan 20
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interface FastEthernet0/3
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interface FastEthernet0/4
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interface FastEthernet0/5
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interface FastEthernet0/6
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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
 switchport trunk encapsulation dot1q
 switchport mode trunk
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interface GigabitEthernet0/2
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interface Vlan1
 ip address 10.50.1.1 255.255.255.0
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interface Vlan10
 ip address 10.50.10.1 255.255.255.0
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interface Vlan20
 ip address 10.50.20.1 255.255.255.0
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ip classless
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ip flow-export version 9
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line con 0
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line aux 0
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line vty 0 4
 login
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end

core#