Nortel Networks NN47200-503 Link State Database information, Ospf dialog Link State Database tab

248IP Routing Configuration and Management

Link State Database information

The Link State Database tab of the OSPF dialog is used to view link state information. To view OSPF link states, use the following procedure:

Step Action

1Select IP Routing > OSPF from the Device Manager menu. The OSPF dialog will open. Select the Link State Database tab. This tab is illustrated below.

OSPF dialog - Link State Database tab

2Using the fields provided, view the link state database. These fields are described in the following table.

Link State Database fields

Field	Description
AreaId	The unique identifier of the Area the link state
	advertisement was received from.
Type	The type of link state advertisement. Each link state
	type has a separate advertisement format.
Lsid	The Link State ID is a link state type-specific field
	containing either a Router ID or an IP address. This
	field identifies the section of the routing domain that
	is being described by the advertisement.
RouterId	The unique identifier of the originating router in the
	Autonomous System.
Sequence	This field is used to detect old or duplicate link state
	advertisements by assigning an incremental number
	to duplicate advertisements. The higher the sequence
	number, the more recent the advertisement.

Nortel Ethernet Routing Switch 5500 Series

Configuration-IP Routing Protocols

NN47200-503 03.01 Standard

5.127 August 2007

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