R4#
R4#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
O 12.0.0.0/8 [110/74] via 14.0.0.1, 00:03:06, Ethernet1/0
O IA 13.0.0.0/8 [110/74] via 14.0.0.1, 00:12:06, Ethernet1/0
14.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 14.0.0.0/8 is directly connected, Ethernet1/0
L 14.0.0.4/32 is directly connected, Ethernet1/0
O IA 23.0.0.0/8 [110/138] via 14.0.0.1, 00:03:06, Ethernet1/0
O 25.0.0.0/8 [110/84] via 14.0.0.1, 00:03:06, Ethernet1/0
R4#
R4#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
14.0.0.1 1 FULL/BDR 00:00:37 14.0.0.1 Ethernet1/0
R4#
R4#show ip ospf virtual-links
R4#
R4#show ip ospf
Routing Process "ospf 1" with ID 14.0.0.4
Start time: 00:00:27.292, Time elapsed: 00:12:50.824
Supports only single TOS(TOS0) routes
Supports opaque LSA
Supports Link-local Signaling (LLS)
Supports area transit capability
Supports NSSA (compatible with RFC 3101)
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
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 1
Area has no authentication
SPF algorithm last executed 00:03:05.320 ago
SPF algorithm executed 5 times
Area ranges are
Number of LSA 10. Checksum Sum 0x057930
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 5
Flood list length 0
R4#
R4#show ip ospf interface
Ethernet1/0 is up, line protocol is up
Internet Address 14.0.0.4/8, Area 0, Attached via Network Statement
Process ID 1, Router ID 14.0.0.4, Network Type BROADCAST, Cost: 10
Topology-MTID Cost Disabled Shutdown Topology Name
0 10 no no Base
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 14.0.0.4, Interface address 14.0.0.4
Backup Designated router (ID) 14.0.0.1, Interface address 14.0.0.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:04
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Index 1/1, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 1
Last flood scan time is 0 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 14.0.0.1 (Backup Designated Router)
Suppress hello for 0 neighbor(s)
R4#
R4#show ip ospf database
OSPF Router with ID (14.0.0.4) (Process ID 1)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
14.0.0.1 14.0.0.1 191 0x80000004 0x003722 4
14.0.0.4 14.0.0.4 729 0x80000002 0x00746C 1
25.0.0.2 25.0.0.2 2 (DNA) 0x80000006 0x0042F0 4
25.0.0.5 25.0.0.5 7 (DNA) 0x80000002 0x005060 1
Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
14.0.0.4 14.0.0.4 729 0x80000001 0x005D97
25.0.0.5 25.0.0.5 3 (DNA) 0x80000001 0x00398B
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
13.0.0.0 14.0.0.1 758 0x80000001 0x00DD03
13.0.0.0 25.0.0.2 12 (DNA) 0x80000001 0x00F69D
23.0.0.0 14.0.0.1 758 0x80000001 0x00DDB8
23.0.0.0 25.0.0.2 12 (DNA) 0x80000001 0x00F1D8
R4#