experiment.........

Configure basic routing information ：

[R1]interface  g0/0/0

[R1-GigabitEthernet0/0/0]ip address 172.16.0.105 29

[R1-GigabitEthernet0/0/0]int l 0

[R1-LoopBack0]ip address  172.16.0.1 29

[R2]int g0/0/0

[R2-GigabitEthernet0/0/0]ip address 162.16.0.106 29

[R2-GigabitEthernet0/0/0]int l 0

[R2-LoopBack0]ip address  172.16.0.9  29

[R3]interface  g0/0/0

[R3-GigabitEthernet0/0/0]ip address 172.16.0.107  29

[R3-GigabitEthernet0/0/0]int  l 0

[R3-LoopBack0]ip address  172.16.0.17 29

[R3]int Serial  4/0/0

[R3-Serial4/0/0]ip address  172.16.0.113  29

[ISP]int l 0

[ISP-LoopBack0]ip address  172.16.0.25  29

[ISP-LoopBack0]q

[ISP]int Serial  4/0/0

[ISP-Serial4/0/0]ip address  172.16.0.114 29

[ISP-Serial4/0/0]int Serial 4/0/1

[ISP-Serial4/0/1]ip address  172.16.0.122  29

[ISP-Serial4/0/1]int Serial 3/0/0

[ISP-Serial3/0/0]ip address  172.16.0.130  29

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

[ISP-GigabitEthernet0/0/0]ip address  172.16.0.138  29

[R5]int  Serial 4/0/0

[R5-Serial4/0/0]ip address  172.16.0.121  29

[R5-Serial4/0/0]int  l 0

[R5-LoopBack0]ip address  172.16.0.33   29

[R6]int Serial 4/0/0

[R6-Serial4/0/0]ip address 172.16.0.129  29

[R6-Serial4/0/0]int l  0

[R6-LoopBack0]ip address 172.16.0.41 29

[R6]int g0/0/0

[R6-GigabitEthernet0/0/0]ip address  172.16.0.169 29

[R7]interface  g0/0/0

[R7-GigabitEthernet0/0/0]ip address  172.16.0.137  29

[R7-GigabitEthernet0/0/0]int l  0

[R7-LoopBack0]ip address  172.16.0.49 29

[R7-LoopBack0]int  g0/0/1

[R7-GigabitEthernet0/0/1]ip address  172.16.0.145  29

  

[R8]int g0/0/0

[R8-GigabitEthernet0/0/0]ip address   172.16.0.146  29

[R8-GigabitEthernet0/0/0]int g0/0/1

[R8-GigabitEthernet0/0/1]ip address  172.16.0.153  29

[R8-GigabitEthernet0/0/1]int l0

[R8-LoopBack0]ip address  172.16.0.57  29

[R9]int g0/0/0

[R9-GigabitEthernet0/0/0]ip address  172.16.0.154 29

[R9-GigabitEthernet0/0/0]int g0/0/1

[R9-GigabitEthernet0/0/1]ip address 172.16.0.161 29

[R9-GigabitEthernet0/0/1]int l 0

[R9-LoopBack0]ip address  172.16.0.65 29

  

[R10]int g0/0/0

[R10-GigabitEthernet0/0/0]ip address  172.16.0.162  29

[R10-GigabitEthernet0/0/0]int l 0

[R10-LoopBack0]ip address  172.16.0.73  29

  

[R11]int g0/0/0

[R11-GigabitEthernet0/0/0]ip address  172.16.0.170  29

[R11-GigabitEthernet0/0/0]int g0/0/1

[R11-GigabitEthernet0/0/1]ip address 172.16.0.177 29

[R11-GigabitEthernet0/0/1]int l 0

[R11-LoopBack0]ip address  172.16.0.81  29

[R12]int g0/0/0

[R12-GigabitEthernet0/0/0]ip address  172.16.0.178 29

[R12]int  l 0

[R12-LoopBack0]ip address 192.168.1.1 24

[R12-LoopBack0]int  l  1

[R12-LoopBack1]ip address  192.168.2.1  24

The Conduit

[R3]int t0/0/0

[R3-Tunnel0/0/0]ip address  172.16.0.185  29

[R3-Tunnel0/0/0]tunnel-protocol  gre p2mp

[R3-Tunnel0/0/0]source  172.16.0.113

[R3-Tunnel0/0/0]nhrp  network-id  100

[R5]int t0/0/0

[R5-Tunnel0/0/0]ip address 172.16.0.186 29

[R5-Tunnel0/0/0]tunnel-protocol  gre  p2mp

[R5-Tunnel0/0/0]source  Serial 4/0/0

[R5-Tunnel0/0/0]nhrp  network-id  100

[R5-Tunnel0/0/0]nhrp entry 172.16.0.185 172.16.0.113 register

[R6]int  t0/0/0

[R6-Tunnel0/0/0]ip address 172.16.0.187 29

[R6-Tunnel0/0/0]tunnel-protocol  gre  p2mp

[R6-Tunnel0/0/0]source  Serial 4/0/0

[R6-Tunnel0/0/0]nhrp  network-id  100

[R6-Tunnel0/0/0]nhrp  entry  172.16.0.185 172.16.0.113  register

[R7]int t0/0/0

[R7-Tunnel0/0/0]ip address  172.16.0.188 29

[R7-Tunnel0/0/0]tunnel-protocol  gre  p2mp

[R7-Tunnel0/0/0]source  g0/0/0

[R7-Tunnel0/0/0]nhrp  network-id  100

[R7-Tunnel0/0/0]nhrp  entry  172.16.0.185  172.16.0.113 register

[R3]ip route-static 0.0.0.0  0 172.16.0.114

[R5]ip route-static  0.0.0.0   0   172.16.0.122

[R6]ip route-static 0.0.0.0   0  172.16.0.130

[R7]ip route-static 0.0.0.0   0  172.16.0.138

[R3-Tunnel0/0/0]nhrp entry multicast dynamic

[R3-Tunnel0/0/0]ospf network-type broadcast

[R5-Tunnel0/0/0]ospf dr-priority 0

[R5-Tunnel0/0/0]ospf network-type broadcast

[R6-Tunnel0/0/0]ospf dr-priority 0

[R6-Tunnel0/0/0]ospf network-type broadcast

[R7-Tunnel0/0/0]ospf dr-priority 0

[R7-Tunnel0/0/0]ospf network-type broadcast

MGRE Declare

[R3]ospf 1 router-id  3.3.3.3

[R3-ospf-1]area 0

[R3-ospf-1-area-0.0.0.0]network  172.168.0.113 0.0.0.0

[R3-ospf-1-area-0.0.0.0]network 172.168.0.185 0.0.0.0

[R5]ospf  1 router-id  5.5.5.5

[R5-ospf-1]area 0

[R5-ospf-1-area-0.0.0.0]network  172.16.0.121  0.0.0.0

[R5-ospf-1-area-0.0.0.0]network 172.16.0.33 0.0.0.7

[R5-ospf-1-area-0.0.0.0]network  172.16.0.186  0.0.0.0

[R6]ospf  1 router-id  6.6.6.6

[R6-ospf-1]area 0

[R6-ospf-1-area-0.0.0.0]network  172.16.0.40  0.0.0.7

[R6-ospf-1-area-0.0.0.0]network  172.16.0.129  0.0.0.0

[R6-ospf-1-area-0.0.0.0]network  172.16.0.187  0.0.0.0

[R7]ospf 1 router-id  7.7.7.7

[R7-ospf-1]area 0

[R7-ospf-1-area-0.0.0.0]network  172.16.0.48  0.0.0.7

[R7-ospf-1-area-0.0.0.0]network 172.16.0.188  0.0.0.0、

area4 Reissue

[R10]ospf  1 router-id  10.10.10.10

[R10-ospf-1]area 4

[R10-ospf-1-area-0.0.0.4]network  172.16.0.72  0.0.0.7

[R10-ospf-1-area-0.0.0.4]network  172.16.0.162 0.0.0.0

[R9]ospf 2 router-id 9.9.9.9

[R9-ospf-2]area  4

[R9-ospf-2-area-0.0.0.4] network 172.16.0.64 0.0.0.7

[R9-ospf-2-area-0.0.0.4]network 172.16.0.161 0.0.0.0

[R9]ospf 2 router-id 9.9.9.9

[R9-ospf-2]import-route  ospf  1

[R9-ospf-2]ospf 1 router-id 9.9.9.9

[R9-ospf-1]import-route  ospf  2

area3 Announcement of

[R9-ospf-1]area 3

[R9-ospf-1-area-0.0.0.3]network  172.16.0.154  0.0.0.0

[R8]ospf  1 router-id  8.8.8.8

[R8-ospf-1]area 3

[R8-ospf-1-area-0.0.0.3]network  172.16.0.56  0.0.0.7

[R8-ospf-1-area-0.0.0.3]network  172.16.0.146  0.0.0.0

[R8-ospf-1-area-0.0.0.3]network  172.16.0.153  0.0.0.0

[R7]ospf 1 router-id  7.7.7.7

[R7-ospf-1]area 3

[R7-ospf-1-area-0.0.0.3]network  172.16.0.145  0.0.0.0

area1 Announcement of

[R1]ospf 1  router-id  1.1.1.1

[R1-ospf-1]area 1

[R1-ospf-1-area-0.0.0.1]network  172.16.0.0  0.0.0.7

[R1-ospf-1-area-0.0.0.1]network  172.16.0.105  0.0.0.0

[R2]ospf 1 router-id 2.2.2.2

[R2-ospf-1]area 1

[R2-ospf-1-area-0.0.0.1]network  172.16.0.8  0.0.0.7

[R2-ospf-1-area-0.0.0.1]network  172.16.0.106   0.0.0.0

[R3-ospf-1]area 1

[R3-ospf-1-area-0.0.0.1]network  172.16.0.16  0.0.0.7

[R3-ospf-1-area-0.0.0.1]network  172.16.0.107  0.0.0.0

area2 Announcement and reissue of

[R6]ospf 1 router-id  6.6.6.6

[R6-ospf-1]area 2

[R6-ospf-1-area-0.0.0.2]network  172.16.0.169  0.0.0.0

[R11]ospf 1 router-id  11.11.11.11

[R11-ospf-1]area 2

[R11-ospf-1-area-0.0.0.2]network  172.16.0.80  0.0.0.7

[R11-ospf-1-area-0.0.0.2]network   172.16.0.170  0.0.0.0

[R11-ospf-1-area-0.0.0.2]network  172.16.0.177  0.0.0.0

[R12]ospf 1 router-id  12.12.12.12

[R12-ospf-1]area 2

[R12-ospf-1-area-0.0.0.2]network  172.16.0.178  0.0.0.0

[R12-rip-1]network   192.168.1.0

[R12-rip-1]network  192.168.2.0

  

[R12]rip  

[R12-rip-1]import-route  ospf  1

[R12]ospf 1 router-id 12.12.12.12

[R12-ospf-1]import-route  rip  1

Summary ：

[R12-GigabitEthernet0/0/0]rip summary-address 192.168.0.0 255.255.252.0

[R12]ip route-static 192.168.0.0   23  NULL  0

[R3-ospf-1-area-0.0.0.1]abr-summary 172.16.0.0   255.255.224.0

[R6-ospf-1-area-0.0.0.2]abr-summary 172.16.0.0   255.255.192.0

[R7-ospf-1-area-0.0.0.3]abr-summary 172.16.0.0   255.255.192.0

[R9-ospf-1-area-0.0.0.4]asbr-summary 172.16.0.0   255.255.192.0

[R12-ospf-1]asbr-summary 192.168.0.0 255.255.252.0