Chapter 50
| IP Routing Commands
Open Shortest Path First (OSPFv2)
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The following shows output when using the summary keyword.
Console#show ip ospf database summary
OSPF Router with ID (0.0.0.0) (Process ID 1)
Summary Link States (Area 0.0.0.0)
LS Age: 1
Options: 0x0 (*|-|-|-|-|-|-|-)
LS Type: summary-LSA
Link State ID: 192.168.10.0 (summary Network Number)
Advertising Router: 2.1.0.0
LS Seq Number: 80000005
Checksum: 0x479d
Length: 28
Network Mask: /24
TOS: 0 Metric: 0
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Table 11: show ip ospf database router - display description
Field Description
OSPF Router ID Router ID
LS Age Age of LSA (in seconds)
Options Optional capabilities associated with the LSA
Flags Indicate if this router is a virtual link endpoint, an ASBR, or an ABR
LS Type Router Link - LSA describes the router's interfaces.
Link State ID Router ID of the router that originated the LSA
Advertising
Router
Advertising router ID
LS Sequence
Number
Sequence number of LSA (used to detect older duplicate LSAs)
Checksum Checksum of the complete contents of the LSA
Length The length of the LSA in bytes
Link connected
to
Link-state type, including transit network, stub network, or virtual link
Link ID Link type and corresponding Router ID or network address
Link Data Router ID for transit network
Network's IP address mask for stub network
Neighbor Router ID for virtual link
Number of TOS
metrics
Type of Service metric – This router only supports TOS 0 (or normal service)
TOS Type of Service – This router only supports TOS 0 (or normal service)
Metric Cost of the link
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