实验要求：
R1
R1undo info-center e
R1interface GigabitEthernet0/0/0
R1-GigabitEthernet0/0/0ip address 172.16.32.129 29
R1-GigabitEthernet0/0/0interface LoopBack0
R1-LoopBack0ip address 172.16.33.1 25
R2
R2undo info-center e
Info: Information center is disabled.
R2interface GigabitEthernet0/0/0
R2-GigabitEthernet0/0/0ip address 172.16.32.130 29
R2-GigabitEthernet0/0/0interface LoopBack0
R2-LoopBack0ip address 172.16.33.129 25
R3
R3undo info-center e
Info: Information center is disabled.
R3interface GigabitEthernet0/0/0
R3-GigabitEthernet0/0/0ip address 172.16.32.131 29
R3-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R3-GigabitEthernet0/0/1ip address 34.1.1.1 24
R3-GigabitEthernet0/0/1interface LoopBack0
R3-LoopBack0ip address 172.16.34.1 25
R3-LoopBack0ip address 172.16.34.1 25
Error: The address already exists.
R3-LoopBack0interface Tunnel0/0/0
R3-Tunnel0/0/0ip address 172.16.0.129 29
R4
R4undo info-center e
Info: Information center is disabled.
R4interface GigabitEthernet0/0/0
R4-GigabitEthernet0/0/0ip address 34.1.1.2 24
R4-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R4-GigabitEthernet0/0/1ip address 45.1.1.2 24
R4-GigabitEthernet0/0/1interface GigabitEthernet0/0/2
R4-GigabitEthernet0/0/2ip address 46.1.1.2 24
R4-GigabitEthernet0/0/2interface GigabitEthernet4/0/0
R4-GigabitEthernet4/0/0ip address 47.1.1.2 24
R4-GigabitEthernet4/0/0interface LoopBack0
R4-LoopBack0ip address 4.4.4.4 24
R5
R5interface GigabitEthernet0/0/0
R5-GigabitEthernet0/0/0ip address 45.1.1.1 24
R5-GigabitEthernet0/0/0
R5-GigabitEthernet0/0/0
R5-GigabitEthernet0/0/0interface LoopBack0
R5-LoopBack0ip address 172.16.1.1 25
R5-LoopBack0interface Tunnel0/0/0
R5-Tunnel0/0/0ip address 172.16.0.130 29
R6
R6interface GigabitEthernet0/0/0
R6-GigabitEthernet0/0/0ip address 46.1.1.1 24
R6-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R6-GigabitEthernet0/0/1ip address 172.16.96.1 30
R6-GigabitEthernet0/0/1interface LoopBack0
R6-LoopBack0ip address 172.16.1.129 25
R6-LoopBack0interface Tunnel0/0/0
R6-Tunnel0/0/0ip address 172.16.0.131 29
R7
R7interface GigabitEthernet0/0/0
R7-GigabitEthernet0/0/0ip address 47.1.1.1 24
R7-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R7-GigabitEthernet0/0/1ip address 172.16.64.1 30
R7-GigabitEthernet0/0/1interface LoopBack0
R7-LoopBack0ip address 172.16.2.1 25
R7-LoopBack0interface Tunnel0/0/0
R7-Tunnel0/0/0ip address 172.16.0.132 29
R8
R8interface GigabitEthernet0/0/0
R8-GigabitEthernet0/0/0ip address 172.16.64.2 30
R8-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R8-GigabitEthernet0/0/1ip address 172.16.64.5 30
R8-GigabitEthernet0/0/1interface LoopBack0
R8-LoopBack0ip address 172.16.65.1 25
R9
R9]interface GigabitEthernet0/0/0
R9-GigabitEthernet0/0/0ip address 172.16.64.6 30
R9-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R9-GigabitEthernet0/0/1ip address 172.16.128.1 30
R9-GigabitEthernet0/0/1interface LoopBack0
R9-LoopBack0ip address 172.16.129.1 25
R10
R10interface GigabitEthernet0/0/0
R10-GigabitEthernet0/0/0
R10-GigabitEthernet0/0/0
R10-GigabitEthernet0/0/0ip address 172.16.128.2 30
R10-GigabitEthernet0/0/0interface LoopBack0
R10-LoopBack0ip address 172.16.129.129 25
R11
R11interface GigabitEthernet0/0/0
R11-GigabitEthernet0/0/0ip address 172.16.96.2 30
Error: Unrecognized command found at '^' position.
R11-GigabitEthernet0/0/0interface GigabitEthernet0/0/1
R11-GigabitEthernet0/0/1ip address 172.16.96.5 30
R11-GigabitEthernet0/0/1interface LoopBack0
R11-LoopBack0ip address 172.16.97.1 25
R12
R12interface GigabitEthernet0/0/0
R12-GigabitEthernet0/0/0ip address 172.16.96.6 30
R12-GigabitEthernet0/0/0interface LoopBack0
R12-LoopBack0ip address 172.16.160.1 20
R12-LoopBack0interface LoopBack1
R12-LoopBack1ip address 172.16.176.1 20
R12-LoopBack1ip route-static 172.16.160.0 19 NULL0
R12ip route-static 172.16.160.0 19 NULL0
一、建立缺省路由
R3 ip route-static 0.0.0.0 0 34.1.1.2
R5 ip route-static 0.0.0.0 0 45.1.1.2
R6 ip route-static 0.0.0.0 0 46.1.1.2
R7 ip route-static 0.0.0.0 0 47.1.1.2
二、建立虚拟端口
R3
int Tunnel 0/0/0
ip add 172.16.0.129 29
tunnel-protocol gre p2mp
source 34.1.1.1
dis nhrp peer all
R5
int Tunnel 0/0/0
ip add 172.16.0.130 29
tunnel-protocol gre p2mp
source GigabitEthernet 0/0/0
nhrp entry 172.16.0.129 34.1.1.1 register
R6
int Tunnel 0/0/0
ip add 172.16.0.131 29
tunnel-protocol gre p2mp
source GigabitEthernet 0/0/0
nhrp entry 172.16.0.129 34.1.1.1 register
R7
int Tunnel 0/0/0
ip add 172.16.0.132 29
tunnel-protocol gre p2mp
source GigabitEthernet 0/0/0
nhrp entry 172.16.0.129 34.1.1.1 register
R3int Tunnel 0/0/0
R3-Tunnel0/0/0nhrp entry multicast dynamic
R3dis nhrp peer all
三、配置ospf协议
R1
ospf 1 router-id 1.1.1.1
area 1
net 172.16.32.0 0.0.1.255
R2
ospf 1 router-id 2.2.2.2
area 1
net 172.16.32.0 0.0.1.255
R3
ospf 1 router-id 3.3.3.3
area 0
net 172.16.0.129 0.0.0.0
area 1
net 172.16.32.0 0.0.3.255
R5
ospf 1 router-id 5.5.5.5
area 0
net 172.16.0.0 0.0.1.255
R6
ospf 1 router-id 6.6.6.6
area 0
net 172.16.0.0 0.0.1.255
area 2
net 172.16.96.1 0.0.0.0
R7
ospf 1 router-id 7.7.7.7
area 0
net 172.16.0.0 0.0.3.255
area 3
net 172.16.64.1 0.0.0.0
R8
ospf 1 router-id 8.8.8.8
area 3
net 172.16.64.0 0.0.1.255
R9
ospf 1 router-id 9.9.9.9
area 3
net 172.16.64.6 0.0.0.0
area 4
net 172.16.128.0 0.0.1.255
R10
ospf 1 router-id 10.10.10.10
area 4
net 172.16.128.0 0.0.1.255
R11
ospf 1 router-id 11.11.11.11
area 2
net 172.16.96.0 0.0.1.255
R12
ospf 1 router-id 12.12.12.12
area 2
net 172.16.96.6 0.0.0.0
rip 1
vers 2
net 172.16.0.0
四、更改接口类型：dis ospf interface Tunnel 0/0/0
R3
int Tunnel 0/0/0
ospf network-type broadcast
R5int Tunnel 0/0/0
ospf network-type broadcast
R6int Tunnel 0/0/0
R6-Tunnel0/0/0ospf network-type broadcast
R7int Tunnel 0/0/0
R7-Tunnel0/0/0ospf network-type broadcast
五、修改其他路由的优先级，让R3称为DR
R5int Tunnel 0/0/0
R5-Tunnel0/0/0ospf dr-priority 0
R6int Tunnel 0/0/0
R6-Tunnel0/0/0ospf dr-priority 0
R7int Tunnel 0/0/0
R7-Tunnel0/0/0ospf dr-priority 0
六、进程重发布：
R9
ospf 1
area 4
undo net 172.16.128.0 0.0.1.255
ospf 2
area 4
net 172.16.128.0 0.0.1.255
ospf 1
import-route ospf 2
ospf 2
import-route ospf 1
R12ospf 1
import-route rip
七、LSA路由优化路由汇总：
R3
ospf 1
area 1
abr-summary 172.16.32.0 255.255.224.0
R7
ospf 1
area 3
abr-summary 172.16.64.0 255.255.224.0
R6
ospf 1
area 2
abr-summary 172.16.96.0 255.255.224.0
R12
ospf 1
asbr-summary 172.16.160.0 255.255.224.0
R9
ospf 1
asbr-summary 172.16.128.0 255.255.224.0
八、配置末梢区域：
R1
ospf 1
area 1
stub
R2
ospf 1
area 1
stub
R3
ospf 1
area 1
stub no-summary
R6
ospf 1
area 2
nssa no-summary
R7
ospf 1
area 3
nssa no-su
nssa no-summary
R8
ospf 1
area 3
nssa
R9
ospf 1
area 3
nssa
R11
ospf 1
area 2
nssa
R12
ospf 1
area 2
nssa
R9ospf 2
R9-ospf-2undo import-route ospf 1
R9-ospf-2default-route-advertise
九、公网部分配置：
R3 ip route-static 172.16.32.0 19 NULL 0
R6 ip route-static 172.16.96.0 19 NULL 0
R7 ip route-static 172.16.64.0 19 NULL 0
R9 ip route-static 172.16.128.0 19 NULL 0
R12 ip route-static 172.16.160.0 19 NULL 0
R3
acl 2000
rule permit source 172.16.0.0 0.0.255.255
int g0/0/1
nat outbound 2000
R6
acl 2000
rule permit source 172.16.0.0 0.0.255.255
int g0/0/0
nat outbound 2000
R7
acl 2000
rule permit source 172.16.0.0 0.0.255.255
int g0/0/0
nat outbound 2000
测试：任意区域路由器去上网
