DMVPN with OSPF

Refer the previous Topology and Continue with the Below Configuration:

R1:
!
interface loopback 0
ip address 1.1.1.1 255.255.255.255
!
router ospf 100
network 1.1.1.1 0.0.0.0 area 0
network 192.168.0.1 0.0.0.0 area 0
!
STEP:2
!
interface loopback 0
ip ospf network broadcast
!
interface GigabitEthernet1/0
ip ospf priority 255
!
R2:
!
interface loopback 0
ip address 2.2.2.2 255.255.255.255
!
router ospf 100
network 2.2.2.2 0.0.0.0 area 0
network 192.168.0.2 0.0.0.0 area 0
!
STEP:2
!
interface loopback 0
ip ospf network broadcast
!
R3:
!
interface loopback 0
ip address 3.3.3.3 255.255.255.255
!
router ospf 100
network 3.3.3.3 0.0.0.0 area 0
network 192.168.0.3 0.0.0.0 area 0
!
STEP:2
!
interface loopback 0
ip ospf network broadcast
!


OUTPUT:

R1:
R1#show ip ospf neighbor 

Neighbor ID     Pri   State           Dead Time   Address         Interface
2.2.2.2           1   FULL/DROTHER    00:00:34    192.168.0.2     Tunnel0
3.3.3.3           1   FULL/BDR        00:00:31    192.168.0.3     Tunnel0
R1#
R1#
R1#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       + - replicated route, % - next hop override

Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
C        1.1.1.1 is directly connected, Loopback0
      2.0.0.0/32 is subnetted, 1 subnets
O        2.2.2.2 [110/1001] via 192.168.0.2, 00:04:40, Tunnel0
      3.0.0.0/32 is subnetted, 1 subnets
O        3.3.3.3 [110/1001] via 192.168.0.3, 00:03:52, Tunnel0
      10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        10.0.0.0/24 is directly connected, GigabitEthernet1/0
L        10.0.0.1/32 is directly connected, GigabitEthernet1/0
      192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.0.0/24 is directly connected, Tunnel0
L        192.168.0.1/32 is directly connected, Tunnel0
R1#
R2:
R2#show ip ospf neighbor 

Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.1.1           1   FULL/DR         00:00:33    192.168.0.1     Tunnel0
R2#show ip route         
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       + - replicated route, % - next hop override

Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
O        1.1.1.1 [110/1001] via 192.168.0.1, 00:04:36, Tunnel0
      2.0.0.0/32 is subnetted, 1 subnets
C        2.2.2.2 is directly connected, Loopback0
      3.0.0.0/32 is subnetted, 1 subnets
O        3.3.3.3 [110/1001] via 192.168.0.3, 00:04:01, Tunnel0
      10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        10.0.0.0/24 is directly connected, GigabitEthernet2/0
L        10.0.0.2/32 is directly connected, GigabitEthernet2/0
      192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.0.0/24 is directly connected, Tunnel0
L        192.168.0.2/32 is directly connected, Tunnel0
R2#
R3:
R3#show ip ospf neighbor 

Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.1.1           1   FULL/DR         00:00:34    192.168.0.1     Tunnel0
R3#show ip route         
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       + - replicated route, % - next hop override

Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
O        1.1.1.1 [110/1001] via 192.168.0.1, 00:04:32, Tunnel0
      2.0.0.0/32 is subnetted, 1 subnets
O        2.2.2.2 [110/1001] via 192.168.0.2, 00:04:32, Tunnel0
      3.0.0.0/32 is subnetted, 1 subnets
C        3.3.3.3 is directly connected, Loopback0
      10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        10.0.0.0/24 is directly connected, GigabitEthernet3/0
L        10.0.0.3/32 is directly connected, GigabitEthernet3/0
      192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.0.0/24 is directly connected, Tunnel0
L        192.168.0.3/32 is directly connected, Tunnel0
R3#


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