LevelOne GSW-2600TXM User Manual

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Type

The link state advertisement type:

RtrLSA: Router LSA – All area routers advertise the state of links

from the router itself to the its local area.

NetLSA: Network LSA – The designated router for each Area

advertises the link state for each transit area; i.e., an area
with more than one attached router. This LSA includes
information about each router attached to the area,
including the designated router itself.

SumLSA: Summary LSA – Advertise the cost to a specific subnetwork

outside the router’s area, or the cost to a specific
autonomous system boundary router.

ExtLSA: External LSA – Advertises link state information for each

known network outside the autonomous system.

Link State ID

The identifier for the router originating this entry, usually in the form of
an IP address.

Router ID

The IP address of the originating router.

Sequence No

The link state sequence number, used to remove previous duplicate
LSAs.

Age

The number of seconds since this LSA was originated.

Note:

To scroll through the table, use the <Next Page> and <Prev Page> buttons. To
display a specific page, set the page number in the Page field and select
<Apply>.

Displaying the Neighbor Table
Each router exchanges link state information with all neighbors physically attached to
the same network segment. This table displays a summary of the link state for all
adjacent neighbors. (Note that neighboring routers are discovered by this device via
Hello messages.).

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