HCIP——OSPF综合实验

实验需求：

1，R4为ISP，其上只能配置IP地址；R4与其他所有直连设备间均使用公有IP
2，R3-R5/6/7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；
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

IP规划 

配置IP和环回

r1配置

[r1]int g0/0/0

[r1-GigabitEthernet0/0/0]ip add 172.16.16.1 29

[r1-GigabitEthernet0/0/0]int l 0

[r1-LoopBack0]ip add 172.16.17.1 24

r2配置

[r2]int g0/0/0

[r2-GigabitEthernet0/0/0]ip add 172.16.16.2 29

[r2-GigabitEthernet0/0/0]int l 0

[r2-LoopBack0]ip add 172.16.18.1 24

r3配置

[r3]int g0/0/0

[r3-GigabitEthernet0/0/0]ip add 172.16.16.3 29

[r3-GigabitEthernet0/0/0]int l 0

[r3-LoopBack0]ip add 172.16.19.1 24

[r3-LoopBack0]int s4/0/0

[r3-Serial4/0/0]ip add 34.0.0.3 24

r4配置

[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip add 47.0.0.4 24
[r4-GigabitEthernet0/0/0]int s4/0/0
[r4-Serial4/0/0]ip add 34.0.0.4 24
[r4-Serial4/0/0]int s4/0/1
[r4-Serial4/0/1]ip add 45.0.0.4 24
[r4-Serial4/0/1]int s3/0/0
[r4-Serial3/0/0]ip add 46.0.0.4 24
[r4-Serial3/0/0]int l 0
[r4-LoopBack0]ip add 4.4.4.4 32

r5配置

[r5]int s4/0/0
[r5-Serial4/0/0]ip add 45.0.0.5 24
[r5-Serial4/0/0]int l 0
[r5-LoopBack0]ip add 172.16.1.1 24

r6配置

[r6]int s4/0/0
[r6-Serial4/0/0]ip add 46.0.0.6 24
[r6-Serial4/0/0]int g0/0/0
[r6-GigabitEthernet0/0/0]ip add 172.16.33.1 30
[r6-GigabitEthernet0/0/0]int l 0
[r6-LoopBack0]ip add 172.16.2.1 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 l 0
[r7-LoopBack0]ip add 172.16.3.1 24
[r7-LoopBack0]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.49.1 30

r8配置

[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip add 172.16.49.2 30
[r8-GigabitEthernet0/0/0]int g0/0/1
[r8-GigabitEthernet0/0/1]ip add 172.16.49.5 30
[r8-GigabitEthernet0/0/1]int l 0
[r8-LoopBack0]ip add 172.16.48.1 24

r9配置

[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ip add 172.16.49.6 30
[r9-GigabitEthernet0/0/0]int l 0
[r9-LoopBack0]ip add 172.16.64.1 24
[r9-LoopBack0]int g0/0/1
[r9-GigabitEthernet0/0/1]ip add 172.16.66.1 30

r10配置

[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ip add 172.16.66.2 30
[r10-GigabitEthernet0/0/0]int l 0
[r10-LoopBack0]ip add 172.16.65.1 24

r11配置

[r11]int g0/0/0
[r11-GigabitEthernet0/0/0]ip add 172.16.33.2 30
[r11-GigabitEthernet0/0/0]int g0/0/1
[r11-GigabitEthernet0/0/1]ip add 172.16.33.5 30
[r11-GigabitEthernet0/0/1]int l 0
[r11-LoopBack0]ip add 172.16.32.1 24

r12配置

[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ip add 172.16.33.6 30
[r12-GigabitEthernet0/0/0]int l 0
[r12-LoopBack0]ip add 172.16.128.1 18
[r12-LoopBack0]int l 1
[r12-LoopBack1]ip add 172.16.192.1 18

MGRE环境搭建

r3配置

[r3]int t0/0/0

[r3-Tunnel0/0/0]ip add 172.16.0.1 24

[r3-Tunnel0/0/0]tunnel-protocol gre p2mp 

[r3-Tunnel0/0/0]source 34.0.0.3

[r3-Tunnel0/0/0]nhrp entry multicast dynamic

[r3]ip route-static 0.0.0.0 0 34.0.0.4

r5配置

[r5]int t0/0/0

[r5-Tunnel0/0/0]ip add 172.16.0.2 24

[r5-Tunnel0/0/0]tunnel-protocol gre p2mp 

[r5-Tunnel0/0/0]source Serial 4/0/0

[r5-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register 

[r5]ip route-static 0.0.0.0 0 45.0.0.4

r6配置

[r6]int t0/0/0

[r6-Tunnel0/0/0]ip add 172.16.0.3 24

[r6-Tunnel0/0/0]tunnel-protocol gre p2mp 

[r6-Tunnel0/0/0]source Serial 4/0/0

[r6-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register 

[r6]ip route-static 0.0.0.0 0 46.0.0.4

r7配置

[r7]int t0/0/0

[r7-Tunnel0/0/0]ip add 172.16.0.4 24

[r7-Tunnel0/0/0]tunnel-protocol gre p2mp 

[r7-Tunnel0/0/0]source GigabitEthernet 0/0/0

[r7-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register 

[r7]ip route-static 0.0.0.0 0 47.0.0.4

area 0的OSPF配置

r3配置

[r3]ospf 1 router-id 3.3.3.3  

[r3-ospf-1]area 0

[r3-ospf-1-area-0.0.0.0]network 172.16.0.1 0.0.0.0

[r3-ospf-1-area-0.0.0.0]int t0/0/0

[r3-Tunnel0/0/0]ospf network-type p2mp                ——改p2mp类型

[r3-Tunnel0/0/0]ospf timer hello 1                           ——减少Hello时间与死亡时间

r5配置

[r5]ospf 1 router-id 5.5.5.5

[r5-ospf-1]area 0

[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255

[r5-ospf-1-area-0.0.0.0]int t0/0/0

[r5-Tunnel0/0/0]ospf network-type p2mp

[r5-Tunnel0/0/0]ospf timer hello 1                ——减少Hello时间与死亡时间

r6配置

[r6]int l 0

[r6-LoopBack0]ospf network-type broadcast        ——将环回类型（主机）改为broadcast 

[r6]ospf 1 router-id 6.6.6.6

[r6-ospf-1]area 0

[r6-ospf-1-area-0.0.0.0]network 172.16.0.3 0.0.0.0

[r6-ospf-1-area-0.0.0.0]network 172.16.2.1 0.0.0.0

[r6-ospf-1-area-0.0.0.0]int t0/0/0

[r6-Tunnel0/0/0]ospf network-type p2mp

[r6-Tunnel0/0/0]ospf timer hello 1

r7配置

[r7]ospf 1 router-id 7.7.7.7

[r7-ospf-1]area 0

[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.15.255.255

[r7-ospf-1-area-0.0.0.0]int t0/0/0

[r7-Tunnel0/0/0]ospf network-type p2mp

[r7-Tunnel0/0/0]ospf timer hello 1

area 1的OSPF配置

r1配置

[r1]ospf 1 router-id 1.1.1.1

[r1-ospf-1]area 1

[r1-ospf-1-area-0.0.0.1]network 0.0.0.0 255.255.255.255

[r1]int g0/0/0

[r1-GigabitEthernet0/0/0]ospf timer hello 1

r2配置

[r2]ospf 1 router-id 2.2.2.2

[r2-ospf-1]area 1

[r2-ospf-1-area-0.0.0.1]network 0.0.0.0 255.255.255.255

[r2]int g0/0/0

[r2-GigabitEthernet0/0/0]ospf timer hello 1

r3配置

[r3]ospf 1 

[r3-ospf-1]area 1

[r3-ospf-1-area-0.0.0.1]network 172.16.16.0 0.15.255.255

[r3]int g0/0/0

[r3-GigabitEthernet0/0/0]ospf timer hello 1

area 2的OSPF配置

r6配置

[r6]ospf 1

[r6-ospf-1]area 2

[r6-ospf-1-area-0.0.0.2]network 172.16.33.1 0.0.0.0

[r6]int g0/0/0

[r6-GigabitEthernet0/0/0]ospf timer hello 1

r11配置

[r11]ospf 1 router-id 11.11.11.11

[r11-ospf-1]area 2

[r11-ospf-1-area-0.0.0.2]network 0.0.0.0 255.255.255.255

[r11]int g0/0/0

[r11-GigabitEthernet0/0/0]ospf timer hello 1

[r11-GigabitEthernet0/0/0]int g0/0/1

[r11-GigabitEthernet0/0/1]ospf timer hello 1

r12配置

[r12]ospf 1 router-id 12.12.12.12

[r12-ospf-1]area 2

[r12-ospf-1-area-0.0.0.2]network 172.16.33.6 0.0.0.0

[r12]int g0/0/0

[r12-GigabitEthernet0/0/0]ospf timer hello 1

[r12-ospf-1-area-0.0.0.2]q

[r12-ospf-1]q

[r12]rip 1

[r12-rip-1]ver 2

[r12-rip-1]undo summary 

[r12-rip-1]network 172.16.0.0

area 3的OSPF配置

r7配置

[r7]ospf 1

[r7-ospf-1]area 3

[r7-ospf-1-area-0.0.0.3]network 172.16.49.1 0.0.0.0

[r7]int g0/0/1

[r7-GigabitEthernet0/0/1]ospf timer hello 1

r8配置

[r8]ospf 1 router-id 8.8.8.8 

[r8-ospf-1]area 3

[r8-ospf-1-area-0.0.0.3]network 0.0.0.0 255.255.255.255

[r8]int g0/0/0

[r8-GigabitEthernet0/0/0]ospf timer hello 1

[r8]int g0/0/1

[r8-GigabitEthernet0/0/1]ospf timer hello 1

r9配置

[r9]ospf 1 router-id 9.9.9.9

[r9-ospf-1]area 3

[r9-ospf-1-area-0.0.0.3]network 172.16.49.6 0.0.0.0

[r9]int g0/0/0

[r9-GigabitEthernet0/0/0]ospf timer hello 1

area 4的OSPF配置

r9配置

[r9]ospf 2 router-id 9.9.9.9  

[r9-ospf-2]area 4

[r9-ospf-2-area-0.0.0.4]network 172.16.64.0 0.15.255.255

[r9-GigabitEthernet0/0/0]int g0/0/1

[r9-GigabitEthernet0/0/1]ospf timer hello 1

r10配置

[r10]ospf 1 router-id 10.10.10.10

[r10-ospf-1]area 4

[r10-ospf-1-area-0.0.0.4]network 0.0.0.0 255.255.255.255

[r10]int g0/0/0

[r10-GigabitEthernet0/0/0]ospf timer hello 1

重发布

如果想要a协议获取到b协议的路由信息，进入a协议的进程中import-route引入b协议的路由信息即可。

r9配置

[r9]ospf 1
[r9-ospf-1]import-route ospf 2
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]import-route ospf 1

r12配置

[r12]ospf 1
[r12-ospf-1]import-route rip 1
[r12-ospf-1]q
[r12]rip 1
[r12-rip-1]import-route ospf 1

OSPF路由汇总

r3配置

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.16.0 255.255.240.0

r6配置

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]abr-summary 172.16.32.0 255.255.240.0

r7配置

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.48.0 255.255.240.0

r9配置

[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.64.0 255.255.240.0

r12配置

[r12]ospf 1
[r12-ospf-1]asbr-summary 172.16.128.0 255.255.128.0

其中r9、r12为域外路由汇总。

特殊区域配置

area 1——stub区域

r1配置

[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]stub

r2配置

[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]stub

r3配置

[r3]ospf 1
[r3-ospf-1]area 1

[r3-ospf-1-area-0.0.0.1]stub no-summary

area 2——nssa区域

r6配置

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary

r11配置

[r11]ospf 1
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]nssa

r12配置

[r12]ospf 1 
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]nssa

area 3——nssa区域

r7配置

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]nssa no-summary

r8配置

[r8]ospf 1
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]nssa

r9配置

[r9]ospf 1
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]nssa 

[r9]ospf 2
[r9-ospf-2]default-route-advertise                ——促进区域间的路由可达性和连通性

保障更新安全做认证

r1配置

[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

r2配置

[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

r3配置

[r3]ospf 1
[r3-ospf-1]area 1

[r3-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

r9配置

[r9]int g0/0/1
[r9-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456

r10配置

[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456

其中r1、r2、r3为区域认证，r9、r10为接口认证。

NAT配置

r3配置

[r3]acl 2000

[r3-acl-basic-2000]rule permit source 172.16.16.0 0.0.15.255

[r3-acl-basic-2000]q

[r3]int s4/0/0

[r3-Serial4/0/0]nat outbound 2000

r6配置

[r6]acl 2000

[r6-acl-basic-2000]rule permit source 172.16.32.0 0.0.15.255

[r6-acl-basic-2000]rule permit source 172.16.128.0 0.0.254.255

[r6-acl-basic-2000]q

[r6]int s4/0/0

[r6-Serial4/0/0]nat outbound 2000

r7配置

[r7]acl 2000

[r7-acl-basic-2000]rule permit source 172.16.48.0 0.0.15.255

[r7-acl-basic-2000]rule permit source 172.16.64.0 0.0.15.255

[r7-acl-basic-2000]q

[r7]int g0/0/0

[r7-GigabitEthernet0/0/0]nat outbound 2000

测试