100 CHAPTER 8: SETTING IP PARAMETERS
Displaying Summary
Network LSAs
This display summarizes all network LSAs in the link state database.
Summary LSAs describe inter-area routes, and enable the condensing of
routing information at area borders. Originating from area border routers,
Type 3 summary-LSAs describe routes to networks while Type 4
summary-LSAs describe routes to AS (autonomous system) boundary
routers.
To display a network LSA summary:
1 Enter the following at the top-level menu:
ip ospf linkStateData summary
The following prompt is displayed:
Enter Area ID [0.0.0.0]:
2 Enter the ID of the OSPF area.
Enter Area mask [0.0.0.0]:
3 Enter the area mask.
Enter LSID [0.0.0.0]:
4 Enter the LSID.
Enter LSID mask [0.0.0.0]:
5 Enter the LSID mask.
Table 25 describes the fields in the link state database network summary
display:
Network Mask IP address mask for the network.
Attached Routers List of routers that are fully adjacent to the designated router
(DR). The ID of the DR is also listed here.
Table 24 Field Attributes for Link State Database Network Display
Field Description
Table 25 Field Attributes for Link State Database Network Summary Display
Field Description
LSID ■ Type 3= IP network number
■ Type 4= ASBR’s OSPF router ID
Router ID Originating router ID
(continued)
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