OSPF综合实验

子网划分： 

172.16.0.0/16

172.16.0.0/19         ------area0

172.16.0.0/24        -------P2P骨干

172.16.0.0/30

172.16.0.4/30

172.16.0.8/30

172.16.1.0/24        -------MA骨干

172.16.1.0/29

172.16.1.8/29

172.16.1.16/29

.....

172.16.2.0/24 --- 用户网段

172.16.3.0/24 --- 用户网段

172.16.4.0/24 --- 用户网段

......

172.16.32.0/19        ------area1

 172.16.32.0/24        -------P2P骨干

                 172.16.32.0/30

                 172.16.32.4/30

                 172.16.32.8/30

                 .....

 172.16.33.0/24        -------MA骨干

                 172.16.33.0/29

                 172.16.33.8/29

                 172.16.33.16/29

                 .....

 172.16.34.0/24 ---r1环回

 172.16.35.0/24 ---r2环回

 172.16.36.0/24 ---r3环回

 ......                

172.16.64.0/19        ------area2

172.16.64.0/24        -------P2P骨干

172.16.64.0/30

172.16.64.4/30

172.16.64.8/30

.....

172.16.65.0/24        -------MA骨干

172.16.65.0/29

172.16.65.8/29

172.16.65.16/29

.....

172.16.66.0/24 ---r11环回

172.16.67.0/24

172.16.68.0/24

......

172.16.96.0/19        ------area3

172.16.96.0/24        -------P2P骨干

172.16.96.0/30

172.16.96.4/30

172.16.96.8/30

.....

172.16.97.0/24        -------MA骨干

172.16.97.0/29

172.16.97.8/29

172.16.97.16/29

.....

172.16.98.0/24  ---r8环回

172.16.99.0/24

172.16.100.0/24

......

172.16.128.0/19        ------area4

172.16.128.0/24        -------P2P骨干

172.16.128.0/30

172.16.128.4/30

172.16.128.8/30

.....

172.16.129.0/24        -------MA骨干

172.16.129.0/29

172.16.129.8/29

172.16.129.16/29

.....

172.16.130.0/24 ---r9环回

172.16.131.0/24 ---r10环回

172.16.132.0/24

......

172.16.160.0/19        ------rip

172.16.160.0/20  ---环回

172.16.176.0/20  ---环回
 

实验步骤：

第一步 基础配置

area 1

R1

[r1]int g0/0/0

[r1-GigabitEthernet0/0/0]ip add 172.16.33.1 29

Apr 21 2022 16:43:16-08:00 r1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP

on the interface GigabitEthernet0/0/0 has entered the UP state.

[r1-GigabitEthernet0/0/0]int l0

[r1-LoopBack0]ip add 172.16.34.1 24

R2

[r2]int g0/0/0

[r2-GigabitEthernet0/0/0]ip add 172.16.33.2 29

Apr 21 2022 16:44:22-08:00 r2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP

on the interface GigabitEthernet0/0/0 has entered the UP state.

[r2-GigabitEthernet0/0/0]int l0

[r2-LoopBack0]ip add 172.16.35.1 24

R3

[r3]int g0/0/0

[r3-GigabitEthernet0/0/0]ip add 172.16.33.3 29

Apr 21 2022 16:45:00-08:00 r3 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP

on the interface GigabitEthernet0/0/0 has entered the UP state.

[r3-GigabitEthernet0/0/0]int l0

[r3-LoopBack0]ip add 172.16.36.1 24

area 0

R4

[r4]int s4/0/0

[r4-Serial4/0/0]ip add 34.0.0.2 24

[r4-Serial4/0/0]

Apr 21 2022 16:52:44-08:00 r4 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol PPP

 IPCP on the interface Serial4/0/0 has entered the UP state.

[r4-Serial4/0/0]int s4/0/1

[r4-Serial4/0/1]ip add 45.0.0.2 24

[r4-Serial4/0/1]int s3/0/0

[r4-Serial3/0/0]ip add 46.0.0.2 24

[r4-Serial3/0/0]int g0/0/0

[r4-GigabitEthernet0/0/0]ip add 47.0.0.2 24

Apr 21 2022 16:53:31-08:00 r4 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP

on the interface GigabitEthernet0/0/0 has entered the UP state.

[r4-GigabitEthernet0/0/0]int l0

[r4-LoopBack0]ip add 4.4.4.4 24

R3

[r3]int s4/0/0

[r3-Serial4/0/0]ip add 34.0.0.1 24

[r3]int t 0/0/0

[r3-Tunnel0/0/0]ip add 172.16.1.1 29

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

[r3-Tunnel0/0/0]source 34.0.0.1

[r3-Tunnel0/0/0]nhrp network-id 100

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

[r3]ip route-static 0.0.0.0 0 34.0.0.2

R5

[r5]int s4/0/0

[r5-Serial4/0/0]ip add 45.0.0.1 24

[r5]int l0

[r5-LoopBack0]ip add 172.16.2.1 24

[r5]ip route-static 0.0.0.0 0 45.0.0.2

[r5]int t 0/0/0

[r5-Tunnel0/0/0]ip add 172.16.1.2 29

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

[r5-Tunnel0/0/0]source s4/0/0

[r5-Tunnel0/0/0]nhrp network-id 100

[r5-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register

R6

[r6]int s4/0/0

[r6-Serial4/0/0]ip add 46.0.0.1 24

[r6-Serial4/0/0]

[r6-Serial4/0/0]int l0

[r6-LoopBack0]ip add 172.16.3.1 24

[r6-LoopBack0]q

[r6]ip route-static 0.0.0.0 0 46.0.0.2

[r6]int t0/0/0

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

[r6-Tunnel0/0/0]source s4/0/0

[r6-Tunnel0/0/0]nhrp network-id 100

[r6-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register

R7

[r7]int g0/0/0

[r7-GigabitEthernet0/0/0]ip add 47.0.0.1 24

[r7-GigabitEthernet0/0/0]int l0

[r7-LoopBack0]ip add 172.16.4.1 24

[r7-LoopBack0]q

[r7]ip route-static 0.0.0.0 0 47.0.0.2

[r7]int t0/0/0

[r7-Tunnel0/0/0]ip add 172.16.1.4 29

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

[r7-Tunnel0/0/0]source g0/0/0

[r7-Tunnel0/0/0]

[r7-Tunnel0/0/0]nhrp network-id 100

[r7-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register

area 2

R6

[r6]int g0/0/0

[r6-GigabitEthernet0/0/0]ip add 172.16.65.1 29

R11

[r11]int g0/0/0

[r11-GigabitEthernet0/0/0]ip add 172.16.65.2 29

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

[r11-GigabitEthernet0/0/1]ip add 172.16.65.9 29

[r11-GigabitEthernet0/0/1]int l0

[r11-LoopBack0]ip add 172.16.66.1 24

R12

[r12]int g0/0/0

[r12-GigabitEthernet0/0/0]ip add 172.16.65.10 29

area 3

R7

[r7]int g0/0/1

[r7-GigabitEthernet0/0/1]ip add 172.16.97.1 29

R8

[r8]int g0/0/0

[r8-GigabitEthernet0/0/0]ip add 172.16.97.2 29

[r8-GigabitEthernet0/0/0]int g0/0/1

[r8-GigabitEthernet0/0/1]ip add 172.168.97.9 29

[r8-GigabitEthernet0/0/1]int l0

[r8-LoopBack0]ip add 172.16.98.1 24

R9

[r9]int g0/0/0

[r9-GigabitEthernet0/0/0]ip add 172.16.97.10 29

area 4

R9

[r9]int g0/0/1

[r9-GigabitEthernet0/0/1]ip add 172.16.129.1 29

[r9-GigabitEthernet0/0/1]int l0

[r9-LoopBack0]ip add 172.16.130.1 24

R10

[r10]int g0/0/0

[r10-GigabitEthernet0/0/0]ip add 172.16.129.2 29

[r10-GigabitEthernet0/0/0]int l0

[r10-LoopBack0]ip add 172.16.131.1 24

RIP

R12

[r12]int l0

[r12-LoopBack0]ip add 172.16.160.1 20

[r12-LoopBack0]int l1

[r12-LoopBack1]ip add 172.16.176.1 20

第二步 配置动态路由

R1

[r1]ospf 1 router-id 1.1.1.1

[r1-ospf-1]a 1

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

[r1-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255

R2

[r2]ospf 1 router-id 2.2.2.2

[r2-ospf-1]a 1

[r2-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255

R3

[r3]ospf 1 router-id 3.3.3.3

[r3-ospf-1]a 1

[r3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.7.255

[r3-ospf-1-area-0.0.0.1]q

[r3-ospf-1]a 0

[r3-ospf-1-area-0.0.0.0]network 172.16.1.1 0.0.0.0

R5

[r5]ospf 1 router-id 5.5.5.5

[r5-ospf-1]a 0

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

R6

[R6]ospf 1 router-id 6.6.6.6

[R6-ospf-1]a 0

[R6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.3.255

[R6-ospf-1-area-0.0.0.0]q

[R6-ospf-1]area 2

[R6-ospf-1-area-0.0.0.2]network 172.16.65.1 0.0.0.0

R7

[r7]ospf 1 router-id 7.7.7.7

[r7-ospf-1]a 0

[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.7.255

[r7-ospf-1-area-0.0.0.0]q

[r7-ospf-1]a 3

[r7-ospf-1-area-0.0.0.3]network 172.16.97.1 0.0.0.0

R8

[r8]ospf 1 router-id 8.8.8.8

[r8-ospf-1]a 3

[r8-ospf-1-area-0.0.0.3]network 172.16.0.0 0.0.255.255

R9

[r9]ospf 1 router-id 9.9.9.9

[r9-ospf-1]a 3

[r9-ospf-1-area-0.0.0.3]network 172.16.97.10 0.0.0.0

[r9-ospf-1-area-0.0.0.3]q

[r9-ospf-1]ospf 2 router-id 9.9.9.9

[r9-ospf-2]a 4

[r9-ospf-2-area-0.0.0.4]network 172.16.128.0 0.0.3.255

R10

[r10]ospf 1 router-id 10.10.10.10

[r10-ospf-1]a 4

[r10-ospf-1-area-0.0.0.4]network 172.16.0.0 0.0.255.255

R11

[r11]ospf 1 router-id 11.11.11.11

[r11-ospf-1]a 2

[r11-ospf-1-area-0.0.0.2]network 172.16.0.0 0.0.255.255

R12

[r12]ospf 1 router-id 12.12.12.12

[r12-ospf-1]a 2

[r12-ospf-1-area-0.0.0.2]network 172.16.65.10 0.0.0.0

[r12]rip 1

[r12-rip-1]v 2

[r12-rip-1]network 172.16.0.0

第三步 修改MGRE类型

R3

[r3]int t0/0/0

[r3-Tunnel0/0/0]ospf network-type p2mp

R5

[r5]int t0/0/0

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

R6

[r6]int t0/0/0

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

R7

[r7]int t0/0/0

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

第四步 area 4和RIP 区域 配置 重发布

R9

[r9]ospf 1

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

R12

[r12]ospf 1

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

第五步 R10 配置缺省指向R9

R9

[r9-ospf-1]ospf 2

[r9-ospf-2]default-route-advertise

第六步 做区域汇总和特殊区域 减少LSA更新量

汇总

R3

[r3]ospf 1

[r3-ospf-1]a 1

[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0

[r3]ip route-static 172.16.32.0 19 NULL 0

R6

[r6]ospf 1

[r6-ospf-1]a 2

[r6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0

[r6]ip route-static 172.16.64.0 19 NULL 0

R7

[r7]ospf 1

[r7-ospf-1]a 3

[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.224.0

[r7]ip route-static 172.16.96.0 19 NULL 0

R9

[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

[r9]ip route-static 172.16.128.0 19 NULL 0

R12

[r12]ospf 1

[r12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0

[r12]ip route-static 172.16.160.0 19 NULL 0

特殊区域

a1

[r1]ospf 1

[r1-ospf-1]a 1

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

[r2]ospf 1

[r2-ospf-1]a 1

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

[r3]ospf

[r3-ospf-1]a 1        

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

a3

[r7]ospf 1

[r7-ospf-1]a 3

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

[r8]ospf 1

[r8-ospf-1]a 3

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

[r9]ospf 1

[r9-ospf-1]a 3

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

a2

[r6]ospf 1

[r6-ospf-1]a 2

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

[r11]ospf 1

[r11-ospf-1]a 2

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

[r12]ospf 1

[r12-ospf-1]a 2

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

第七步 配置NAT

R3

[r3]acl 2000

[r3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255

[r3-acl-basic-2000]q

[r3]int Serial 4/0/0

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

R7

[r7]acl 2000

[r7-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255

[r7-acl-basic-2000]q

[r7]int g 0/0/0

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

R6

[r6]acl 2000

[r6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255

[r6-acl-basic-2000]q

[r6]int s 4/0/0

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

第八步 修改HELLO时间

[r3]int t 0/0/0

[r3-Tunnel0/0/0]ospf timer hello 5

[r5]int t 0/0/0

[r5-Tunnel0/0/0]ospf timer hello 5

[r6]int t 0/0/0

[r6-Tunnel0/0/0]ospf timer hello 5

[r7]int t 0/0/0

[r7-Tunnel0/0/0]ospf timer hello 5

第九步 手工认证

[r1]ospf 1

[r1-ospf-1]area 1

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

[r2]ospf 1

[r2-ospf-1]area 1

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

[r3]ospf 1

[r3-ospf-1]area 1

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