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配置各接口所属的VLAN
[LSW1]vlan 10
[LSW1-GigabitEthernet0/0/1]port link-type trunk
[LSW1-GigabitEthernet0/0/1]port trunk allow-pass vlan 10
[LSW2]vlan batch 10
[LSW2-GigabitEthernet0/0/1]port link-type trunk
[LSW2-GigabitEthernet0/0/1]port trunk allow-pass vlan 10
[LSW3]vlan 10
[LSW3-GigabitEthernet0/0/1]port link-type trunk
[LSW3-GigabitEthernet0/0/1]port trunk allow-pass vlan 10
[LSW4]vlan 10
[LSW4-GigabitEthernet0/0/1]port link-type trunk
[LSW4-GigabitEthernet0/0/1]port trunk allow-pass vlan 10
[LSW5]vlan 10
[LSW5-GigabitEthernet0/0/1]port link-type trunk
[LSW5-GigabitEthernet0/0/1]port trunk allow-pass vlan 10
[LSW5-GigabitEthernet0/0/2]port link-type trunk
[LSW5-GigabitEthernet0/0/2]port trunk allow-pass vlan 10
[LSW5-GigabitEthernet0/0/3]port link-type trunk
[LSW5-GigabitEthernet0/0/3]port trunk allow-pass vlan 10
[LSW5-GigabitEthernet0/0/4]port link-type trunk
[LSW5-GigabitEthernet0/0/4]port trunk allow-pass vlan 10 -
配置各接口的IP地址
[LSW1-Vlanif10]ip add 10.1.1.1 24
[LSW2-Vlanif10]ip add 10.1.1.2 24
[LSW3-Vlanif10]ip add 10.1.1.3 24
[LSW4-Vlanif10]ip add 10.1.1.4 24
[LSW1]int LoopBack 0
[LSW1-LoopBack0]ip add 10.10.1.1 32
[LSW2]int LoopBack 0
[LSW2-LoopBack0]ip add 10.10.2.2 32
[LSW3]int LoopBack 0
[LSW3-LoopBack0]ip add 10.10.3.3 32
[LSW4]int LoopBack 0
[LSW4-LoopBack0]ip add 10.10.4.4 32 -
配置OSPF基本功能
[LSW1]ospf 1 router-id 10.10.1.1
[LSW1-ospf-1]area 0
[LSW1-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[LSW2]ospf 1 router-id 10.10.2.2
[LSW2-ospf-1]area 0
[LSW2-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[LSW3]ospf 1 router-id 10.10.3.3
[LSW3-ospf-1]area 0
[LSW3-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[LSW4]ospf 1 router-id 10.10.4.4
[LSW4-ospf-1]area 0
[LSW4-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255

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配置交换机接口上的DR优先级
[LSW1-Vlanif10]ospf dr-priority 100 //被选举为DR
[LSW2-Vlanif10]ospf dr-priority 0 //无法成为DR或BDR
[LSW3-Vlanif10]ospf dr-priority 2 //被选举为BDR -
重启OSPF进程
reset ospf process
reset ospf process
reset ospf process
reset ospf process -
验证配置

该配置流程涉及了多台交换机(LSW1-LSW5)的VLAN设置,接口类型配置为trunk,并允许特定VLAN通过。接着为各VLAN接口分配IP地址,并创建了OSPF进程,设置路由器ID并宣告网络。在VLANif10接口上设置了DR优先级,确保LSW1为DR,LSW3为BDR。最后,重启了OSPF进程以应用配置。
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