Retransmission
Queue length:
An integer representing the current length of the
retransmission queue of the specified neighbor router ID of
the specified interface.
Dead Time:
The amount of time, in seconds, to wait before the router
assumes the neighbor is unreachable.
10.9.10
Link State Database
Choose the menu
Routing→OSPF→Link State Database
to load the following page.
Figure10-57 Link State Database
Entry Description:
Link State Database
Process:
Select one OSPF Process to display its link state database.
Area ID:
Displays the ID of the area to which the LSA belongs.
Advertising Router:
Displays the ID of the router that advertising the LSA.
LSA Type:
The format and function of the link state advertisement. One
of the following: Router, Network, Network-Summary,
ASBR-Summary, External (Type 5), NSSA-External (Type 7).
Link State ID:
The Link State ID identifies the piece of the routing domain
that is being described by the advertisement. The value of
the LS ID depends on the advertisement's LS type.
Age:
The time since the link state advertisement was first
originated, in seconds.
Sequence:
The sequence number field is an unsigned 32-bit integer. It
is used to detect old and duplicate link state advertisements.
The larger the sequence number, the more recent the
advertisement.
Checksum:
The checksum is used to detect data corruption of an
advertisement. This corruption can occur while an
advertisement is being flooded, or while it is being held in a
router's memory. This field is the checksum of the complete
contents of the advertisement, except the LS age field.
Options:
The Options field in the link state advertisement header
indicates which optional capabilities are associated with the
advertisement.
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