Task - Initial OSPF Configuration
Solutions:
R1-R10:
router ospf 1
network 172.16.0.0 0.0.255.255 area 0Verification:
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
172.16.3.3 1 FULL/DR 00:00:38 172.16.13.3 GigabitEthernet0/1
172.16.2.2 1 FULL/DR 00:00:38 172.16.12.2 GigabitEthernet0/0
R1#sh ip route ospf
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
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 29 subnets, 2 masks
O 172.16.2.2/32 [110/2] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.3.3/32 [110/2] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.4.4/32 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
[110/3] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.5.5/32 [110/3] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.6.6/32 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.7.7/32 [110/4] via 172.16.12.2, 00:01:48, GigabitEthernet0/0
O 172.16.8.8/32 [110/4] via 172.16.13.3, 00:01:38, GigabitEthernet0/1
O 172.16.9.9/32 [110/5] via 172.16.13.3, 00:01:28, GigabitEthernet0/1
[110/5] via 172.16.12.2, 00:01:28, GigabitEthernet0/0
O 172.16.10.10/32 [110/3] via 172.16.13.3, 00:01:58, GigabitEthernet0/1
O 172.16.23.0/24 [110/2] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.24.0/24 [110/2] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.25.0/24 [110/2] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.34.0/24 [110/2] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.36.0/24 [110/2] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.45.0/24 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
[110/3] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.46.0/24 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
[110/3] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.56.0/24 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
[110/3] via 172.16.12.2, 00:02:46, GigabitEthernet0/0
O 172.16.57.0/24 [110/3] via 172.16.12.2, 00:01:48, GigabitEthernet0/0
O 172.16.68.0/24 [110/3] via 172.16.13.3, 00:01:38, GigabitEthernet0/1
O 172.16.78.0/24 [110/4] via 172.16.13.3, 00:01:38, GigabitEthernet0/1
[110/4] via 172.16.12.2, 00:01:38, GigabitEthernet0/0
O 172.16.79.0/24 [110/4] via 172.16.12.2, 00:01:28, GigabitEthernet0/0
O 172.16.89.0/24 [110/4] via 172.16.13.3, 00:01:28, GigabitEthernet0/1
O 172.16.103.0/24 [110/2] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
O 172.16.106.0/24 [110/3] via 172.16.13.3, 00:02:36, GigabitEthernet0/1
R1# sh ip ospf
Routing Process "ospf 1" with ID 172.16.1.1
Start time: 06:47:21.880, Time elapsed: 00:05:13.817
Supports only single TOS(TOS0) routes
Supports opaque LSA
Supports Link-local Signaling (LLS)
Supports area transit capability
Supports NSSA (compatible with RFC 3101)
Supports Database Exchange Summary List Optimization (RFC 5243)
Event-log enabled, Maximum number of events: 1000, Mode: cyclic
router is not originating router-LSAs with maximum metric
Initial SPF schedule delay 5000 msecs
Minimum hold time between two consecutive SPFs 10000 msecs
Maximum wait time between two consecutive SPFs 10000 msecs
Incremental-SPF disabled
Minimum LSA interval 5 secs
Minimum LSA arrival 1000 msecs
LSA group pacing timer 240 secs
Interface flood pacing timer 33 msecs
Retransmission pacing timer 66 msecs
EXCHANGE/LOADING adjacency limit: initial 300, process maximum 300
Number of external LSA 0. Checksum Sum 0x000000
Number of opaque AS LSA 0. Checksum Sum 0x000000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
Number of areas transit capable is 0
External flood list length 0
IETF NSF helper support enabled
Cisco NSF helper support enabled
Reference bandwidth unit is 100 mbps
Area BACKBONE(0)
Number of interfaces in this area is 3 (1 loopback)
Area has no authentication
SPF algorithm last executed 00:02:58.328 ago
SPF algorithm executed 9 times
Area ranges are
Number of LSA 19. Checksum Sum 0x08C946
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
R10#sh ip ospf
Routing Process "ospf 1" with ID 172.16.10.10
Start time: 06:49:01.543, Time elapsed: 00:05:21.795
Supports only single TOS(TOS0) routes
Supports opaque LSA
Supports Link-local Signaling (LLS)
Supports area transit capability
Supports NSSA (compatible with RFC 3101)
Supports Database Exchange Summary List Optimization (RFC 5243)
Event-log enabled, Maximum number of events: 1000, Mode: cyclic
router is not originating router-LSAs with maximum metric
Initial SPF schedule delay 5000 msecs
Minimum hold time between two consecutive SPFs 10000 msecs
Maximum wait time between two consecutive SPFs 10000 msecs
Incremental-SPF disabled
Minimum LSA interval 5 secs
Minimum LSA arrival 1000 msecs
LSA group pacing timer 240 secs
Interface flood pacing timer 33 msecs
Retransmission pacing timer 66 msecs
EXCHANGE/LOADING adjacency limit: initial 300, process maximum 300
Number of external LSA 0. Checksum Sum 0x000000
Number of opaque AS LSA 0. Checksum Sum 0x000000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
Number of areas transit capable is 0
External flood list length 0
IETF NSF helper support enabled
Cisco NSF helper support enabled
Reference bandwidth unit is 100 mbps
Area BACKBONE(0)
Number of interfaces in this area is 3 (1 loopback)
Area has no authentication
SPF algorithm last executed 00:04:46.209 ago
SPF algorithm executed 4 times
Area ranges are
Number of LSA 19. Checksum Sum 0x08C946
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0