Avaya 580 사용자 설명서

15-26

User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1

Chapter 15

6.  To update all LSA entries in the database, select Refresh Table. 

7.  To display the details of a specific link state advertisement (LSA), select 

Details from the Detail Link column The LSA Detail Web page 
displays with additional search information (

Detail Link

A link to the LSA Detail Web page.

Area ID

The 32-bit identifier of the area from which the LSA was 
received.

Type

The LSA format and function. 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. They 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 destinations 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

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

The 32-bit number that uniquely identifies the originating 
router in the Autonomous System.

Sequence

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.