Owner's Manual

266 OSPF Commands
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The following example displays OSPF database router information.
The following table describes fields shown in the display:
Console# show ip ospf database summary
OSPF Router with id 190.20.239.66
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
Field Description
OSPF Router with id Router ID number.
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 The ID of the advertising router.
LS Seq Number Link-state sequence (detects old or duplicate LSAs).
Checksum Checksum (Fletcher checksum of the complete contents of the LSA).
Length Length in bytes of the link-state advertisement.
Network Mask Network mask implemented.
TOS Type of service.
Metric Link-state metric.