Planet Technology WGS3-404 - Manual (Page 133)

WGS3 Layer 3 Switch User’s Manual - 125 -
Parameter Description
Area Identity An OSPF area identifier configured for a group of OSPF routers.
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.