1>ena
R1#sh run
Building configuration...

Current configuration : 1795 bytes
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! Last configuration change at 10:24:50 UTC Thu Dec 12 2019
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version 15.7
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname R1
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boot-start-marker
boot-end-marker
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no aaa new-model
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no ip domain lookup
ip cef
no ipv6 cef
multilink bundle-name authenticated
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license udi pid CISCO1921/K9 sn FCZ2118401L
license boot module c1900 technology-package datak9
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redundancy
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interface Embedded-Service-Engine0/0
 no ip address
 shutdown
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interface GigabitEthernet0/0
 no ip address
 duplex auto
 speed auto
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interface GigabitEthernet0/0.10
 encapsulation dot1Q 10
 ip address 192.168.10.1 255.255.255.0
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interface GigabitEthernet0/0.20
 encapsulation dot1Q 20
 ip address 192.168.20.1 255.255.255.0
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interface GigabitEthernet0/0.30
 encapsulation dot1Q 30
 ip address 192.168.30.1 255.255.255.0
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interface GigabitEthernet0/0.99
 encapsulation dot1Q 99
 ip address 192.168.99.1 255.255.255.0
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interface GigabitEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
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interface Serial0/0/0
 bandwidth 512
 ip address 1.1.1.1 255.255.255.252
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interface Serial0/0/1
 no ip address
 shutdown
 clock rate 2000000
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router ospf 1
 network 1.1.1.0 0.0.0.3 area 0
 network 192.168.10.0 0.0.0.255 area 0
 network 192.168.20.0 0.0.0.255 area 0
 network 192.168.30.0 0.0.0.255 area 0
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ip forward-protocol nd
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no ip http server
no ip http secure-server
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ipv6 ioam timestamp
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control-plane
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 vstack
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line con 0
line aux 0
line 2
 no activation-character
 no exec
 transport preferred none
 transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh
 stopbits 1
line vty 0 4
 login
 transport input none
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scheduler allocate 20000 1000
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end

R1#