Lucent Technologies P550 - Manual (Page 196)

Configuring the OSPF Routing Protocol (Layer 3)
9 -14 Cajun P550/P220 Switch Operation Guide
5. Use Table 9-10 for a description of the OSPF Link State Database Search results.
Table 9-10. OSPF Link State Database Parameters
Parameter Definition
Detail Link Displays a link to the LSA Detail dialog box.
Area ID Displays the 32-bit identifier of the area from which the
LSA was received.
Type Displays the format and function of the LSA.
Types include:
• Router Links - These packets describe the states of the
router’s links to the area and are only flooded within a
particular area.
• Network Links - These packets are generated by
Designated Routers and describe the set of routers
attached to a particular network.
• Summary Network - These summaries are generated
by Area Border Routers and describe inter-area routes
to various networks. Then can also be used for
aggregating routes.
• Summary AS Border - This describes links to
Autonomous System Border Routers and are
generated by Area Border Routers.
• AS External - These packets are generated by
Autonomous System Border Routers and describe
routes to destination external to the Autonomous
system. They are flooded everywhere except stub
areas.
• Multicast Group - These packets are generated by
multicast groups.
• NSSA External - These packets are generated by Area
Border Routers and describe routes within the NSSA
(Not-So-Stubby-Area).
LS ID Displays the piece of routing domain that is being described
by the advertisement. Depending on the advertisements LS
type, the LS ID displays different values.
Router ID Displays the 32-bit number that uniquely identifies the
originating router in the Autonomous System.
Sequence Displays the sequence number.
Age Displays the age (in seconds) of the LSA.
Checksum Displays the checksum of the complete contents of the
advertisement, except the age field.