un ter mo //关闭通知
sys
sysname R1
interface GigabitEthernet0/0/0
ip address 192.168.12.1 24
interface LoopBack0
ip address 1.1.1.1 32 //为了实验最后一步的验证
ospf router-id 1.1.1.1 //默认进程号为1
area 0
network 192.168.12.0 0.0.0.255 //反掩码:0代表是绝对匹配,255意思为匹配255位
network 1.1.1.1 0.0.0.0
quit
un ter mo
sys
sysname R2
interface GigabitEthernet0/0/0
ip address 192.168.12.2 24
interface GigabitEthernet0/0/1
ip address 192.168.23.2 24
ospf router-id 2.2.2.2
area 0
network 192.168.0.0 0.0.255.255 //0.0.255.255可以配置到12和23网段
quit
un ter mo
sys
sysname R3
interface GigabitEthernet0/0/1
ip address 192.168.23.3 24
interface LoopBack0
ip address 3.3.3.3 32
ospf router-id 3.3.3.3
area 0
network 192.168.23.0 0.0.0.255
network 3.3.3.3 0.0.0.0
qiut
查看一下OSPF邻居状态
可以看到两个邻居都达到了Full,最终的状态
查看路由表
R2上已经有了两个的LoopBack路由
R1 Ping R3