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43-3
Cisco ASDM User Guide
OL-16647-01
Chapter 43 Monitoring Routing
Monitoring OSPF LSAs
Type 3
Type 3 LSA are summary link advertisements that are passed between areas. They describe the networks
within an area.
Fields
• Process—Display only. Displays the OSPF process for the LSA.
• Area—Display only. Displays the OSPF area for the LSA.
• Destination—Display only. Displays the address of the destination network being advertised.
• Advertiser—Display only. Displays the ID of the ABR that sent the LSA.
• Age—Display only. Displays the age of the link state.
• Sequence #—Display only. Displays the link state sequence number. The link state sequence number
is used to detect old or duplicate LSAs.
• Checksum—Display only. Displays the checksum of the contents of the LSA.
Modes
The following table shows the modes in which this feature is available:
Type 4
Type 4 LSAs are summary link advertisements that are passed between areas. They describe the path to
the ASBR. Type 4 LSAs do not get flooded into stub areas.
Fields
• Process—Display only. Displays the OSPF process for the LSA.
• Area—Display only. Displays the OSPF area for the LSA.
• Router ID—Display only. Displays the router ID of the ASBR.
• Advertiser—Display only. Displays the ID of the ABR that sent the LSA.
• Age—Display only. Displays the age of the link state.
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• — • ——
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• — • ——