请帮忙看看有什么问题
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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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bsd-client server url https://cloudsso.cisco.com/as/token.oauth2
clock timezone CET 1 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
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ip cef
no ipv6 cef
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multilink bundle-name authenticated
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cts logging verbose
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redundancy
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interface Loopback0
ip address 1.1.1.1 255.255.255.255
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interface Ethernet0/0
no ip address
shutdown
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interface Ethernet0/1
no ip address
shutdown
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interface Ethernet0/2
no ip address
shutdown
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interface Ethernet0/3
no ip address
shutdown
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interface Serial1/0
ip address 12.0.0.1 255.0.0.0
serial restart-delay 0
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interface Serial1/1
ip address 14.0.0.1 255.0.0.0
serial restart-delay 0
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interface Serial1/2
no ip address
shutdown
serial restart-delay 0
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interface Serial1/3
no ip address
shutdown
serial restart-delay 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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control-plane
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line con 0
logging synchronous
line aux 0
line vty 0 4
login
transport input none
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end