IP Routing Features

Configuring OSPF

The OSPF link state display shows contents of the LSA database, one table for each area. The following information is shown:

Table 16-8. CLI Display of OSPF Link State Information

This Field...

Displays...

 

 

LSA Type

Type of LSA. The possible types are:

 

Router

 

Network

 

Summary

 

AsbSummary

 

 

Link State ID

LSA ID for this LSA. The meaning depends on the LSA type.

 

 

Advertised Router

Router ID of the router that originated this LSA.

ID

 

 

 

Age

Current age (in seconds) of this LSA.

 

 

Sequence #

Sequence number of the current instance of this LSA.

 

 

Chksum(Hex)

LSA checksum value.

 

 

Other options for this command: The status keyword is optional and can

be omitted. The output can be filtered to show a subset of the total output by specifying the area-id, link-state-id, router-id, LSA type, or sequence-numberoptions.

The advertise keyword displays the hexadecimal data in the specified LSA packet, the actual contents of the LSAs. This can also be filtered as above by including the area-id, link-state-id, router-id, LSA type, or sequence-numberoptions.

The full syntax of the command is as follows:

Syntax: show ip ospf link-state [status advertise] [<area-id> link-state-id <link- state-id> router-id <router-id> type <router network summary as-summary> sequence-number <sequence#>]

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