要求:
1、整个网络地址为192.168.1.0 24 自己规划
2、area0 区域设置R1为DR,R2为BDR
3、R1,R2,R5上配置环回接口,但是R5环回接口不能宣告进ospf
4、全网可达
配置:
r1:
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip address 192.168.1.65 26
[r1-GigabitEthernet0/0/0]q
[r1]int l 0
[r1-LoopBack0]ip address 192.168.1.1 28
[r1-LoopBack0]q
[r1]ospf router-id 1.1.1.1
[r1-ospf-1]area 0
[r1-ospf-1-area-0.0.0.0]network 192.168.1.65 0.0.0.0
[r1-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.0
r2:
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip address 192.168.1.66 26
[r2-GigabitEthernet0/0/0]q
[r2]int l 0
[r2-LoopBack0]ip address 192.168.1.17 28
[r2-LoopBack0]q
[r2]ospf router-id 2.2.2.2
[r2-ospf-1]area 0
[r