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D-Link DES-3326S User Manual

Page 153

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DES-3326S Layer 3 Fast Ethernet Switch User’s Guide

Switch Management and Operating Concepts

153

Link-State Advertisement

Link-State Age

Optio

Link-State ID

Advertising Router

Link-State Sequence Numb

Link-State Checksum

Header

ns

Link-State Type

er

Length

Figure 5-28. Link-State Advertisement Header

Field Description

Link State Age

The time is seconds since
the link state
advertisement was
originated.

Options The

optional

capabilities

supported by the
described portion of the
routing domain.

Link State Type

The type of the link state
advertisement. Each link
state type has a separate
advertisement format.

The link state type are as
follows:

Type Description

1 Router Links

2 Network

Links