To verify the OSPF details, use the following command:
Device# show ip ospf 1
Routing Process "ospf 1" with ID 31.31.31.1
Start time: 00:01:46.103, Time elapsed: 03:12:34.745
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 50 msecs
Minimum hold time between two consecutive SPFs 200 msecs
Maximum wait time between two consecutive SPFs 5000 msecs
Incremental-SPF disabled
Initial LSA throttle delay 50 msecs
Minimum hold time for LSA throttle 200 msecs
Maximum wait time for LSA throttle 5000 msecs
Minimum LSA arrival 100 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 1
Number of interfaces in this area is 3
Area has no authentication
SPF algorithm last executed 03:11:47.277 ago
SPF algorithm executed 9 times
Area ranges are
Number of LSA 5. Checksum Sum 0x0212EE
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
To verify the OSPF database details, use the following command:
Device# show ip ospf 1 database
OSPF Router with ID (31.31.31.1) (Process ID 1)
Router Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Link count
31.31.31.1 31.31.31.1 1470 0x8000000C 0x00289A 3
50.50.50.1 50.50.50.1 1745 0x8000000A 0x001018 3
51.51.51.1 51.51.51.1 1500 0x8000000A 0x008EFB 2
Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
30.30.30.2 50.50.50.1 1745 0x80000006 0x00B793
31.31.31.2 51.51.51.1 1500 0x80000006 0x0093AE
To verify the IP route details, use the following command:
Device# 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, m - OMP
n - NAT, Ni - NAT inside, No - NAT outside, Nd - NAT DIA
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
H - NHRP, G - NHRP registered, g - NHRP registration summary
o - ODR, P - periodic downloaded static route, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
& - replicated local route overrides by connected
Gateway of last resort is not set
5.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 5.5.5.0/24 is directly connected, Vlan5
L 5.5.5.2/32 is directly connected, Vlan5
6.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 6.6.6.0/24 is directly connected, Vlan6
L 6.6.6.2/32 is directly connected, Vlan6
30.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 30.30.30.0/24 is directly connected, GigabitEthernet3
L 30.30.30.1/32 is directly connected, GigabitEthernet3
31.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 31.31.31.0/24 is directly connected, GigabitEthernet4
L 31.31.31.1/32 is directly connected, GigabitEthernet4
32.0.0.0/24 is subnetted, 1 subnets
O 32.32.32.0 [110/2] via 30.30.30.2, 03:11:58, GigabitEthernet3
50.0.0.0/32 is subnetted, 1 subnets
O 50.50.50.1 [110/2] via 30.30.30.2, 03:11:58, GigabitEthernet3
51.0.0.0/32 is subnetted, 1 subnets
O 51.51.51.1 [110/2] via 31.31.31.2, 03:12:00, GigabitEthernet4
To verify the IP OSPF route list details, use the following command:
Device# show ip ospf 1 route-list
OSPF Router with ID (31.31.31.1) (Process ID 1)
Base Topology (MTID 0)
Area 1
Intra-area Route List
* 31.31.31.0/24, Intra, cost 1, area 1, Connected
via 31.31.31.1, GigabitEthernet4
* 30.30.30.0/24, Intra, cost 1, area 1, Connected
via 30.30.30.1, GigabitEthernet3
* 6.6.6.0/24, Intra, cost 1, area 1, Connected
via 6.6.6.2, Vlan6
*> 32.32.32.0/24, Intra, cost 2, area 1
via 30.30.30.2, GigabitEthernet3
*> 50.50.50.1/32, Intra, cost 2, area 1
via 30.30.30.2, GigabitEthernet3
*> 51.51.51.1/32, Intra, cost 2, area 1
via 31.31.31.2, GigabitEthernet4
First Hop Forwarding Gateway Tree
31.31.31.1 on GigabitEthernet4, count 1
31.31.31.2 on GigabitEthernet4, count 1
30.30.30.1 on GigabitEthernet3, count 1
30.30.30.2 on GigabitEthernet3, count 2
6.6.6.2 on Vlan6, count 1
To verify the OSPF traffic details, use the following command:
Device# show ip ospf 1 traffic
OSPF Router with ID (31.31.31.1) (Process ID 1)
OSPF queue statistics for process ID 1:
InputQ UpdateQ OutputQ
Limit 0 200 0
Drops 0 0 0
Max delay [msec] 1 1 1
Max size 2 2 2
Invalid 0 0 0
Hello 0 0 0
DB des 0 0 1
LS req 1 1 1
LS upd 1 1 0
LS ack 0 0 0
Current size 0 0 0
Invalid 0 0 0
Hello 0 0 0
DB des 0 0 0
LS req 0 0 0
LS upd 0 0 0
LS ack 0 0 0
Interface statistics:
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Interface GigabitEthernet4
Summary traffic statistics for process ID 1:
OSPF packets received/sent
Type Packets Bytes
RX Invalid 0 0
RX Hello 2435 116880
RX DB des 17 584
RX LS req 2 96
RX LS upd 24 2360
RX LS ack 24 1436
RX Total 2502 121356
TX Failed 0 0
TX Hello 3653 506540
TX DB des 6 704
TX LS req 2 144
TX LS upd 31 4204
TX LS ack 14 1560
TX Total 3706 513152
OSPF header errors
Length 0, Instance ID 0, Checksum 0, Auth Type 0,
Version 0, Bad Source 0, No Virtual Link 0,
Area Mismatch 0, No Sham Link 0, Self Originated 0,
Duplicate ID 0, Hello 0, MTU Mismatch 0,
Nbr Ignored 0, LLS 0, Unknown Neighbor 0,
Authentication 0, TTL Check Fail 0, Adjacency Throttle 0,
BFD 0, Test discard 0
OSPF LSA errors
Type 0, Length 0, Data 0, Checksum 0
To verify the OSPF neighbor details, use the following command:
Device# show ip ospf 1 neighbor
Neighbor ID Pri State Dead Time Address Interface
51.51.51.1 1 FULL/DR 00:00:37 31.31.31.2 GigabitEthernet4
50.50.50.1 1 FULL/DR 00:00:39 30.30.30.2 GigabitEthernet3
To verify the OSPF neighbor summary, use the following command:
Device#show ip ospf 1 neighbor summary
OSPF Router with ID (31.31.31.1) (Process ID 1)
DOWN 0
ATTEMPT 0
INIT 0
2WAY 0
EXSTART 0
EXCHANGE 0
LOADING 0
FULL 2
Total count 2 (Undergoing NSF 0)
To verify the OSPF event details, use the following command:
Device# show ip ospf 1 events
OSPF Router with ID (31.31.31.1) (Process ID 1)
1 Sep 21 21:49:12.406: Generate Changed Type-1 LSA, LSID 31.31.31.1, Seq# 8000000C, Age 0, Area 1
2 Sep 21 21:48:44.064: Rcv Unchanged Type-2 LSA, LSID 31.31.31.2, Adv-Rtr 51.51.51.1, Seq# 80000006, Age 1, Area 1
3 Sep 21 21:48:44.064: Rcv Unchanged Type-1 LSA, LSID 51.51.51.1, Adv-Rtr 51.51.51.1, Seq# 8000000A, Age 1, Area 1
4 Sep 21 21:44:38.726: Rcv Unchanged Type-2 LSA, LSID 30.30.30.2, Adv-Rtr 50.50.50.1, Seq# 80000006, Age 1, Area 1
5 Sep 21 21:44:38.726: Rcv Unchanged Type-1 LSA, LSID 50.50.50.1, Adv-Rtr 50.50.50.1, Seq# 8000000A, Age 1, Area 1
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30 Sep 21 19:01:45.594: End of SPF, Topo Base, SPF time 1ms, next wait-interval 800ms
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74 Sep 21 19:01:44.676: Generic: ospf_external_route_sync 0x1
75 Sep 21 19:01:44.676: Generic: ospf_external_route_sync 0x1
76 Sep 21 19:01:44.676: Generic: ospf_external_route_sync 0x0
77 Sep 21 19:01:44.676: Generic: ospf_external_route_sync 0x0
78 Sep 21 19:01:44.676: Starting External processing, Topo Base in area 1
79 Sep 21 19:01:44.676: Starting External processing, Topo Base
80 Sep 21 19:01:44.676: Generic: ospf_inter_route_sync 0x1
81 Sep 21 19:01:44.676: Generic: ospf_inter_route_sync 0x1
82 Sep 21 19:01:44.676: Starting summary processing, Topo Base, Area 1
83 Sep 21 19:01:44.676: Generic: post_spf_intra 0x0
84 Sep 21 19:01:44.676: Generic: ospf_intra_route_sync 0x1
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To verify the OSPF details in the database summary, use the following command:
Device# show ip ospf 1 database database-summary
OSPF Router with ID (31.31.31.1) (Process ID 1)
Area 1 database summary
LSA Type Count Delete Maxage
Router 3 0 0
Network 2 0 0
Summary Net 0 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Prefixes redistributed in Type-7 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 5 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 3 0 0
Network 2 0 0
Summary Net 0 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 0 0 0
Prefixes redistributed in Type-5 0
Opaque AS 0 0 0
Total 5 0 0
Non-self 4
To verify the OSPF details in the internal database, use the following command:
Device# show ip ospf 1 database internal
OSPF Router with ID (31.31.31.1) (Process ID 1)
Stub Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Mask
6.6.6.255 31.31.31.1 11545 0x0 0x006611 /24
30.30.30.255 31.31.31.1 11546 0x0 0x00032C /24
31.31.31.255 31.31.31.1 11548 0x0 0x00DE4D /24
32.32.32.255 50.50.50.1 11545 0x0 0x00F0FE /24
50.50.50.1 50.50.50.1 11545 0x0 0x005C5C /32
51.51.51.1 51.51.51.1 11547 0x0 0x002092 /32
Router Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Link count
31.31.31.1 31.31.31.1 1498 0x8000000C 0x00289A 3
50.50.50.1 50.50.50.1 1772 0x8000000A 0x001018 3
51.51.51.1 51.51.51.1 1527 0x8000000A 0x008EFB 2
Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
30.30.30.2 50.50.50.1 1772 0x80000006 0x00B793
31.31.31.2 51.51.51.1 1527 0x80000006 0x0093AE
To verify the OSPF details in the database network, use the following command:
Device# show ip ospf 1 database network
OSPF Router with ID (31.31.31.1) (Process ID 1)
Net Link States (Area 1)
LS age: 1772
Options: (No TOS-capability, DC)
LS Type: Network Links
Link State ID: 30.30.30.2 (address of Designated Router)
Advertising Router: 50.50.50.1
LS Seq Number: 80000006
Checksum: 0xB793
Length: 32
Network Mask: /24
Attached Router: 50.50.50.1
Attached Router: 31.31.31.1
LS age: 1527
Options: (No TOS-capability, DC)
LS Type: Network Links
Link State ID: 31.31.31.2 (address of Designated Router)
Advertising Router: 51.51.51.1
LS Seq Number: 80000006
Checksum: 0x93AE
Length: 32
Network Mask: /24
Attached Router: 51.51.51.1
Attached Router: 31.31.31.1
To verify the OSPF details in the database router, use the following command:
Device# show ip ospf 1 database router
OSPF Router with ID (31.31.31.1) (Process ID 1)
Router Link States (Area 1)
LS age: 1498
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 31.31.31.1
Advertising Router: 31.31.31.1
LS Seq Number: 8000000C
Checksum: 0x289A
Length: 60
Number of Links: 3
Link connected to: a Transit Network
(Link ID) Designated Router address: 31.31.31.2
(Link Data) Router Interface address: 31.31.31.1
Number of MTID metrics: 0
TOS 0 Metrics: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 30.30.30.2
(Link Data) Router Interface address: 30.30.30.1
Number of MTID metrics: 0
TOS 0 Metrics: 1
Link connected to: a Stub Network
(Link ID) Network/subnet number: 6.6.6.0
(Link Data) Network Mask: 255.255.255.0
Number of MTID metrics: 0
TOS 0 Metrics: 1
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To verify the OSPF details in the database topology, use the following command:
Device# show ip ospf 1 database topology
OSPF Router with ID (31.31.31.1) (Process ID 1)
Base Topology (MTID 0)
Router Link States (Area 1)
Link ID ADV Router Age Seq# Checksum Link count
31.31.31.1 31.31.31.1 1498 0x8000000C 0x00289A 3
50.50.50.1 50.50.50.1 1772 0x8000000A 0x001018 3
51.51.51.1 51.51.51.1 1527 0x8000000A 0x008EFB 2
Net Link States (Area 1)
Link ID ADV Router Age Seq# Checksum
30.30.30.2 50.50.50.1 1772 0x80000006 0x00B793
31.31.31.2 51.51.51.1 1527 0x80000006 0x0093AE
vWLC_TB1#
vWLC_TB1#show ip ospf 1 request-list
OSPF Router with ID (31.31.31.1) (Process ID 1)
Neighbor 51.51.51.1, interface GigabitEthernet4 address 31.31.31.2
Request list size 0, maximum list size 1
Neighbor 50.50.50.1, interface GigabitEthernet3 address 30.30.30.2
Request list size 0, maximum list size 1
vWLC_TB1#
vWLC_TB1#show ip ospf flood-list
OSPF Router with ID (31.31.31.1) (Process ID 1)
Interface GigabitEthernet4, Queue length 0
Interface GigabitEthernet3, Queue length 0
Interface Vlan6, Queue length 0
To verify the OSPF request details, use the following command:
Device# show ip ospf request-list Gi3 50.50.50.1
OSPF Router with ID (31.31.31.1) (Process ID 1)
Neighbor 50.50.50.1, interface GigabitEthernet3 address 30.30.30.2
Request list size 0, maximum list size 1
To verify the OSPF interface details, use the following command:
Device# show ip ospf interface
GigabitEthernet4 is up, line protocol is up
Internet Address 31.31.31.1/24, Interface ID 10, Area 1
Attached via Network Statement
Process ID 1, Router ID 31.31.31.1, Network Type BROADCAST, Cost: 1
Topology-MTID Cost Disabled Shutdown Topology Name
0 1 no no Base
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 51.51.51.1, Interface address 31.31.31.2
Backup Designated router (ID) 31.31.31.1, Interface address 31.31.31.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:03
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Can be protected by per-prefix Loop-Free FastReroute
Can be used for per-prefix Loop-Free FastReroute repair paths
Not Protected by per-prefix TI-LFA
Index 1/3/3, flood queue length 0
Next 0x0(0)/0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 51.51.51.1 (Designated Router)
Suppress hello for 0 neighbor(s)
Cryptographic authentication enabled
Youngest key id is 1
GigabitEthernet3 is up, line protocol is up
Internet Address 30.30.30.1/24, Interface ID 9, Area 1
Attached via Network Statement
Process ID 1, Router ID 31.31.31.1, Network Type BROADCAST, Cost: 1
Topology-MTID Cost Disabled Shutdown Topology Name
0 1 no no Base
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 50.50.50.1, Interface address 30.30.30.2
Backup Designated router (ID) 31.31.31.1, Interface address 30.30.30.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:06
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Can be protected by per-prefix Loop-Free FastReroute
Can be used for per-prefix Loop-Free FastReroute repair paths
Not Protected by per-prefix TI-LFA
Index 1/2/2, flood queue length 0
Next 0x0(0)/0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 50.50.50.1 (Designated Router)
Suppress hello for 0 neighbor(s)
Cryptographic authentication enabled
Youngest key id is 1
Vlan6 is up, line protocol is up
Internet Address 6.6.6.2/24, Interface ID 16, Area 1
Attached via Interface Enable
Process ID 1, Router ID 31.31.31.1, Network Type BROADCAST, Cost: 1
Topology-MTID Cost Disabled Shutdown Topology Name
0 1 no no Base
Enabled by interface config, including secondary ip addresses
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 31.31.31.1, Interface address 6.6.6.2
No backup designated router on this network
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:01
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Can be protected by per-prefix Loop-Free FastReroute
Can be used for per-prefix Loop-Free FastReroute repair paths
Not Protected by per-prefix TI-LFA
Index 1/1/1, flood queue length 0
Next 0x0(0)/0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
Cryptographic authentication enabled
Youngest key id is 1