多区域ospf配置（router-id和lookback接口用同一个）（是的，我没用）

LSW1

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vlan batch 10

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interface Vlanif10

ip address 192.168.10.1 255.255.255.0

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interface GigabitEthernet0/0/1

port link-type access

port default vlan 10

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interface LoopBack0

ip address 1.1.1.1 255.255.255.255

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ospf 1 router-id 10.1.1.1

area 0.0.0.1

network 192.168.10.0 0.0.0.255

network 1.1.1.1 0.0.0.0

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LSW2

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vlan batch 10 20

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interface Vlanif10

ip address 192.168.10.2 255.255.255.0

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interface Vlanif20

ip address 192.168.20.1 255.255.255.0

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interface GigabitEthernet0/0/1

port link-type access

port default vlan 20

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interface LoopBack0

ip address 2.2.2.2 255.255.255.255

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ospf 1 router-id 20.1.1.1

area 0.0.0.0

network 192.168.20.0 0.0.0.255

network 2.2.2.2 0.0.0.0

area 0.0.0.1

network 192.168.10.0 0.0.0.255

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LSW3

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vlan batch 20 30

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interface Vlanif20

ip address 192.168.20.2 255.255.255.0

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interface Vlanif30

ip address 192.168.30.1 255.255.255.0

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interface MEth0/0/1

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interface GigabitEthernet0/0/1

port link-type access

port default vlan 20

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interface GigabitEthernet0/0/2

port link-type access

port default vlan 30

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interface LoopBack0

ip address 3.3.3.3 255.255.255.255

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ospf 1 router-id 30.1.1.1

area 0.0.0.0

network 192.168.20.0 0.0.0.255

network 3.3.3.3 0.0.0.0

area 0.0.0.2

network 192.168.30.0 0.0.0.255

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LSW4

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vlan batch 30 40

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interface Vlanif30

ip address 192.168.30.2 255.255.255.0

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interface MEth0/0/1

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interface GigabitEthernet0/0/1

port link-type access

port default vlan 30

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interface LoopBack0

ip address 4.4.4.4 255.255.255.255

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ospf 1 router-id 40.1.1.1

area 0.0.0.2

network 192.168.30.0 0.0.0.255

network 4.4.4.4 0.0.0.0

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