hcip实验5：ospf综合实验

 实验拓扑：

实验目的：

1、R4为ISP，其上只配置IP地址；R4与其他所直连设备间均使用公有IP；
2、R3-R5、R6、R7为MGRE环境，R3为中心站点；
3、整个OSPF环境IP基于172.16.0.0/16划分；除了R12有两个环回，其他路由器均有一个环回IP
4、所有设备均可访问R4的环回；
5、减少LSA的更新量，加快收敛，保障更新安全；
6、全网可达

实验操作：

IP配置：

#R1配置
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 172.16.33.1 24 
[R1-GigabitEthernet0/0/0]int l0
[R1-LoopBack0]ip add 172.16.34.1 24
 
#R2配置
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 172.16.33.2 24 
[R2-GigabitEthernet0/0/0]int l0
[R2-LoopBack0]ip add 172.16.35.2 24
 
#R3配置
[R3]int se4/0/0
[R3-Serial4/0/0]ip add 34.0.0.3 24
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 172.16.33.3 24
[R3]int l0
[R3-LoopBack0]ip add 172.16.36.3 24
 
#R4配置
[R4]int se4/0/0
[R4-Serial4/0/0]ip add 34.0.0.4 24
[R4-Serial4/0/0]int se4/0/1
[R4-Serial4/0/1]ip add 45.0.0.4 24
[R4-Serial4/0/1]int se3/0/0
[R4-Serial3/0/0]ip add 46.0.0.4 24
[R4-Serial3/0/0]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 47.0.0.4 24
[R4]int LoopBack 0
[R4-LoopBack0]ip add 172.16.2.4 24
 
#R5配置
[R5]int se4/0/0
[R5-Serial4/0/0]ip add 45.0.0.5 24
[R5]int LoopBack 0
[R5-LoopBack0]ip add 172.16.3.5 24
 
#R6配置
[R6-GigabitEthernet0/0/0]
[R6-GigabitEthernet0/0/0]ip add 172.16.65.1 30
[R6]int se4/0/0
[R6-Serial4/0/0]ip add 46.0.0.6 24
[R6-Serial4/0/0]int l0
[R6-LoopBack0]ip add 172.16.4.6 24
 
#R7配置
[R7]int g0/0/0
[R7-GigabitEthernet0/0/0]ip add 47.0.0.7 24
[R7-GigabitEthernet0/0/0]int g0/0/1
[R7-GigabitEthernet0/0/1]ip add 172.16.97.1 24
[R7-GigabitEthernet0/0/1]int l0
[R7-LoopBack0]ip add 172.16.5.7 24
 
#R8配置
[R8]int g0/0/0
[R8-GigabitEthernet0/0/0]ip add 172.16.97.2 30
[R8-GigabitEthernet0/0/0]int g0/0/1
[R8-GigabitEthernet0/0/1]ip add 172.16.97.5 30
[R8-LoopBack0]ip add 172.16.98.8 24
 
#R9配置
[R9-GigabitEthernet0/0/0]ip add 172.16.97.6 30
[R9-GigabitEthernet0/0/0]int g0/0/1
[R9-GigabitEthernet0/0/1]ip add 172.16.129.9 24
[R9-GigabitEthernet0/0/1]int l0
[R9-LoopBack0]ip add 172.16.130.9 24
 
#R10配置
[R10]int l0
[R10-LoopBack0]ip add 172.16.131.10 24
[R10-LoopBack0]int g0/0/0
[R10-GigabitEthernet0/0/0]ip add 172.16.129.10 24
 
#R11配置
[R11]int g0/0/1
[R11-GigabitEthernet0/0/1]ip add 172.16.65.5 30
[R11-GigabitEthernet0/0/1]int g0/0/0
[R11-GigabitEthernet0/0/0]ip add 172.16.65.2 30
[R11-GigabitEthernet0/0/0]int l0
[R11-LoopBack0]ip add 172.16.66.11 24
 
#R12配置
[R12]int g0/0/0
[R12-GigabitEthernet0/0/0]ip add  172.16.65.6 30
[R12-LoopBack0]ip add 172.16.160.1 24
[R12-LoopBack1 ]ip add 172.16.161.1 24

MGRE配置：

#R3配置（R3为中心站点）
[R3]int Tunnel 0/0/0
[R3-Tunnel0/0/