| Previous | Table of Contents | Next | Table 8-8 describes some fields that are useful in a troubleshooting environment. Table 8-8 show ip ospf database router output definitions | Field | Description |
| | OSPF Router with id | Router ID number | | Process ID | OSPF process ID | | LS age | Link-state age | | Options | Type of Service options (Type 0 only) | | LS Type | Link-state type | | Link State ID | Link-state ID | | Advertising Router | Advertising router’s ID | | LS Seq Number | Link-state sequence (detects old or duplicate link-state advertisements) | | Checksum | LS checksum (Fletcher checksum of the complete contents of the link-state advertisement) | | Length | Length in bytes of the link-state advertisement | | AS Boundary Router | Definition of router type | | Number of Links | Number of active links | | link ID | Link type | | Link Data | Router interface address | | TOS | Type of Service metric (Type 0 only) | show ip ospf database summary Command The following is sample output from show ip ospf database summary command when no optional arguments are specified. OSPF_Router# show ip ospf database summary OSPF Router with id(190.20.239.66) (Process ID 300) Displaying Summary Net Link States(Area 0.0.0.0) LS age: 1401 Options: (No TOS-capability) LS Type: Summary Links(Network) Link State ID: 155.187.240.0 (summary Network Number) Advertising Router: 155.187.241.5 LS Seq Number: 80000072 Checksum: 0x84FF Length: 28 Network Mask: 255.255.255.0 TOS: 0 Metric: 1 Table 8-9 describes some fields that are useful in a troubleshooting environment. Table 8-9 show ip ospf database summary output definition | F ield | Description |
| | OSPF Router with id | Router ID number | | Process ID | OSPF process ID | | LS age | Link-state age | | Options | Type of Service options (Type 0 only) | | LS Type | Link-state type | | Link State ID | Link-state ID (summary network number) | | Advertising Router | Advertising router’s ID | | LS Seq Number | Link-state sequence (detects old or duplicate link-state advertisements) | | Checksum | LS checksum (Fletcher checksum of the complete contents of the link-state advertisement) | | Length | Length in bytes of the link-state advertisement | | Network Mask | Network mask implemented | | TOS | Type of Service | | Metric | Link-state metric | show ip ospf database database-summary Command Example: The following is sample output from show ip ospf database database-summary command when no optional arguments are specified: OSPF_Router# show ip ospf database database-summary OSPF Router with ID (172.19.65.21) (Process ID 1) Area ID Router Network Sum-Net Sum-ASBR Subtotal Delete Maxage 202 1 0 0 0 1 0 0 AS External 0 0 0 Total 1 0 0 0 1 Table 8-10 describes some fields that are useful in a troubleshooting environment. Table 8-10 show ip ospf database database-summary output definition | Field | Description |
| | Area ID | Area number | | Router | Number of router link-state advertisements in that area | | Network | Number of network link-state advertisements in that area | | Sum-Net | Number of summary link-state advertisements in that area | | Sum-ASBR | Number of summary autonomous system boundary router (ASBR) link-state advertisements in that area | | Subtotal | Sum of Router, Network, Sum-Net, and Sum-ASBR for that area | | Delete | Number of link-state advertisements that are marked “Deleted” in that area | | Maxage | Number of link-state advertisements that are marked “Maxaged” in that area | | AS External | Number of external link-state advertisements | show ip ospf neighbor Command To display OSPF-neighbor information on a per-interface basis, use the show ip ospf neighbor EXEC command. The syntax for this command is as follows: show ip ospf neighbor [type number] [neighbor-id] detail Syntax Description: - type. This optional argument represents the Interface type.
- number. This optional argument represents the Interface number.
- neighbor-id. This optional argument represents the Neighbor ID.
- detail. Displays all neighbors given in detail (list all neighbors).
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