Deployment Guide

Usage Information The following describes the show ip ospf database asbr-summary command shown in the following
example.
Field Description
LS Age Displays the LSA’s age.
Options Displays the optional capabilities available on router. The following options can be found in
this item:
TOS-capability or No TOS-capability is displayed depending on whether the router
can support Type of Service.
DC or No DC is displayed depending on whether the originating router can support
OSPF over demand circuits.
E or No E is displayed on whether the originating router can accept AS External LSAs.
LS Type Displays the LSA’s type.
Link State ID Displays the Link State ID.
Advertising Router Identies the advertising router’s ID.
Checksum Displays the Fletcher checksum of the LSA’s complete contents.
Length Displays the length in bytes of the LSA.
Network Mask Displays the network mask implemented on the area.
TOS Displays the Type of Service (TOS) options. Option 0 is the only option.
Metric Displays the LSA metric.
Example
Dell#show ip ospf 100 database asbr-summary
OSPF Router with ID (1.1.1.10) (Process ID 100)
Summary Asbr (Area 0.0.0.0)
LS age: 1437
Options: (No TOS-capability, No DC, E)
LS type: Summary Asbr
Link State ID: 103.1.50.1
Advertising Router: 1.1.1.10
LS Seq Number: 0x8000000f
Checksum: 0x8221
Length: 28
Network Mask: /0
TOS: 0 Metric: 2
LS age: 473
Options: (No TOS-capability, No DC, E)
LS type: Summary Asbr
Link State ID: 104.1.50.1
Advertising Router: 1.1.1.10
LS Seq Number: 0x80000010
Checksum: 0x4198
Length: 28
--More--
Related Commands show ip ospf database — displays OSPF database information.
938 Open Shortest Path First (OSPFv2 and OSPFv3)