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Ext. Link State Data Base tab fields


Field Description
Type
This field is the external-LSA that describe routes to destinations external to the Autonomous System.
Lsid
The Link State ID is an LS type-specific field containing either a router ID or an IP address. It identifies the piece of the routing domain that is being described by the advertisement.
RouterId
A 32-bit integer uniquely identifying the router in the autonomous system.
Sequence
The sequence number is a signed 32-bit integer that identifies old and duplicate link state advertisements.
Age
The age in seconds of the link state advertisement.
Checksum
This field is the checksum of the complete contents of the advertisement, excepting the age field. The age field is excepted so that an advertisement's age can be incremented without updating the checksum. The checksum used is the same that is used for ISO connectionless datagrams. It is commonly referred to as the Fletcher checksum.
Advertisement
Hex representation of the entire link state advertisement, including the header.


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