topo
ip规划:各路由器之间线路为路由器编号,r1和r2间为10.1.12.0 24
办公网段为10.100.1.1 32 业务网段为10.200.1.1 32
1,ospf区域分割+虚链路
右边area 1 左边aera 0
R1 ospf配置
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 10.100.1.0 0.0.0.255
network 10.1.12.0 0.0.0.255
area 0.0.0.1
network 10.1.13.0 0.0.0.255
network 10.200.1.0 0.0.0.255
R2
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 10.1.0.0 0.0.255.255
R3
ospf 1 router-id 3.3.3.3
area 0.0.0.1
network 10.1.0.0 0.0.255.255
R4
ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 10.1.24.0 0.0.0.255
area 0.0.0.1
network 10.1.34.0 0.0.0.255
虚链路
R1
进ospf area 1
vlin