24-Port Layer 3 Switch Management Guide

IP R OUTING C OMMANDS
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The following shows output when using the router keyword.
Console#show ip ospf database router
OSPF Router with id(10.1.1.253)
Displaying Router Link States(Area 10.1.0.0)
Link State Data Router (Type 1)
-------------------------------
LS age: 233
Options: Support External routing capability
LS Type: Router Links
Link State ID: 10.1.1.252 (Originating Router's Router ID)
Advertising Router: 10.1.1.252
LS Sequence Number: 80000011
LS Checksum: 0x7287
Length: 48
Router Role: Area Border Router
Number of Links: 1
-------------------------------------------------------
Link ID: 10.1.7.0 (IP Network/Subnet Number)
Link Data: 255.255.255.0 (Network's IP address mask)
Link Type: Connection to a stub network
Number of TOS metrics: 0
Metrics: 1
Console#
Field Description
OSPF Router id Router ID
LS age Age of LSA (in seconds)
Options Optional capabilities associated with the LSA
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)
LS Checksum Checksum of the complete contents of the LSA
Length The length of the LSA in bytes
Router Role Description of router type, including:
None, AS Boundary Router, Area Border Router, or Virtual
Link
Number of Links Number of links described by the LSA