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
150.1.0.0/16 is variably subnetted, 5 subnets, 2 masks
O 150.1.1.1/32 [110/11] via 155.1.146.1, 00:31:41, Ethernet1/1
C 150.1.4.0/24 is directly connected, Loopback0
L 150.1.4.4/32 is directly connected, Loopback0
O 150.1.5.5/32 [110/65] via 155.1.0.5, 00:29:12, Serial2/0
O 150.1.6.6/32 [110/11] via 155.1.146.6, 00:31:41, Ethernet1/1
155.1.0.0/16 is variably subnetted, 4 subnets, 2 masks
C 155.1.0.0/24 is directly connected, Serial2/0
L 155.1.0.4/32 is directly connected, Serial2/0
C 155.1.146.0/24 is directly connected, Ethernet1/1
L 155.1.146.4/32 is directly connected, Ethernet1/1
R4#
R4#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
150.1.5.5 1 FULL/DR 00:01:42 155.1.0.5 Serial2/0
150.1.1.1 1 FULL/DROTHER 00:00:37 155.1.146.1 Ethernet1/1
150.1.6.6 1 FULL/DR 00:00:38 155.1.146.6 Ethernet1/1
R4#
R4#show ip ospf interface
Serial2/0 is up, line protocol is up
Internet Address 155.1.0.4/24, Area 0, Attached via Network Statement
Process ID 1, Router ID 150.1.4.4, Network Type NON_BROADCAST, Cost: 64
Topology-MTID Cost Disabled Shutdown Topology Name
0 64 no no Base
Transmit Delay is 1 sec, State DROTHER, Priority 0
Designated Router (ID) 150.1.5.5, Interface address 155.1.0.5
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
oob-resync timeout 120
Hello due in 00:00:03
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Index 1/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 150.1.5.5 (Designated Router)
Suppress hello for 0 neighbor(s)
Loopback0 is up, line protocol is up
Internet Address 150.1.4.4/24, Area 1, Attached via Network Statement
Process ID 1, Router ID 150.1.4.4, Network Type LOOPBACK, Cost: 1
Topology-MTID Cost Disabled Shutdown Topology Name
0 1 no no Base
Loopback interface is treated as a stub Host
Ethernet1/1 is up, line protocol is up
Internet Address 155.1.146.4/24, Area 1, Attached via Network Statement
Process ID 1, Router ID 150.1.4.4, Network Type BROADCAST, Cost: 10
Topology-MTID Cost Disabled Shutdown Topology Name
0 10 no no Base
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 150.1.6.6, Interface address 155.1.146.6
Backup Designated router (ID) 150.1.4.4, Interface address 155.1.146.4
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 2/3, 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 2, Adjacent neighbor count is 2
Adjacent with neighbor 150.1.1.1
Adjacent with neighbor 150.1.6.6 (Designated Router)
Suppress hello for 0 neighbor(s)
R4#
R4#show frame-relay map
Serial2/0 (up): ip 155.1.0.1 dlci 405(0x195,0x6450), static,
CISCO, status defined, active
Serial2/0 (up): ip 155.1.0.5 dlci 405(0x195,0x6450), static,
CISCO, status defined, active
R4#
R4#show ip ospf
Routing Process "ospf 1" with ID 150.1.4.4
Start time: 00:00:19.468, Time elapsed: 00:32:42.820
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
It is an area border router
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 2. 2 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 00:29:02.700 ago
SPF algorithm executed 7 times
Area ranges are
Number of LSA 12. Checksum Sum 0x04403C
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
Area 1
Number of interfaces in this area is 2 (1 loopback)
Area has no authentication
SPF algorithm last executed 00:31:31.848 ago
SPF algorithm executed 6 times
Area ranges are
Number of LSA 8. Checksum Sum 0x035FA5
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
R4#
R4#show ip ospf database
OSPF Router with ID (150.1.4.4) (Process ID 1)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
150.1.1.1 150.1.1.1 1758 0x80000004 0x007904 1
150.1.4.4 150.1.4.4 1757 0x80000004 0x003D31 1
150.1.5.5 150.1.5.5 1758 0x80000005 0x00496D 2
Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
155.1.0.5 150.1.5.5 1758 0x80000001 0x008295
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
150.1.1.1 150.1.1.1 1903 0x80000001 0x006C9C
150.1.1.1 150.1.4.4 1901 0x80000001 0x00A94F
150.1.4.4 150.1.1.1 1903 0x80000001 0x0037CA
150.1.4.4 150.1.4.4 1901 0x80000001 0x0006F6
150.1.6.6 150.1.1.1 1903 0x80000001 0x000DF0
150.1.6.6 150.1.4.4 1901 0x80000001 0x0040AE
155.1.146.0 150.1.1.1 1903 0x80000001 0x00F37F
155.1.146.0 150.1.4.4 1901 0x80000001 0x00273D
Router Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Link count
150.1.1.1 150.1.1.1 1902 0x80000004 0x0025C6 2
150.1.4.4 150.1.4.4 1901 0x80000005 0x005379 2
150.1.6.6 150.1.6.6 1921 0x80000002 0x005D6E 2
Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
155.1.146.6 150.1.6.6 1921 0x80000001 0x00324E
Summary Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
150.1.5.5 150.1.1.1 1753 0x80000001 0x009A26
150.1.5.5 150.1.4.4 1752 0x80000001 0x007347
155.1.0.0 150.1.1.1 1892 0x80000001 0x00B80E
155.1.0.0 150.1.4.4 1891 0x80000001 0x00912F
R4#