Concept Guide

Item Description
• 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.
Opaque Type Displays the Opaque type eld (the rst 8 bits of the Link State ID).
Opaque ID Displays the Opaque type-specic ID (the remaining 24 bits of the Link State ID).
Example
Dell>show ip ospf 1 database opaque-area
OSPF Router with ID (3.3.3.3) (Process ID 1)
Type-10 Opaque Link Area (Area 0)
LS age: 1133
Options: (No TOS-capability, No DC, E)
LS type: Type-10 Opaque Link Area
Link State ID: 1.0.0.1
Advertising Router: 10.16.1.160
LS Seq Number: 0x80000416
Checksum: 0x376
Length: 28
Opaque Type: 1
Opaque ID: 1
Unable to display opaque data
LS age: 833
Options: (No TOS-capability, No DC, E)
LS type: Type-10 Opaque Link Area
Link State ID: 1.0.0.2
Advertising Router: 10.16.1.160
LS Seq Number: 0x80000002
Checksum: 0x19c2
--More--
Related Commands show ip ospf database — displays OSPF database information.
show ip ospf database opaque-as
Display the opaque-as (type 11) LSA information.
Syntax
show ip ospf process-id database opaque-as [link-state-id] [adv-router ip-
address]
Parameters
process-id Enter the OSPF process ID to show a specic process. If you do not enter the process ID,
the command applies only to the rst OSPF process.
link-state-id (OPTIONAL) Specify LSA ID in dotted decimal format. The LSA ID value depends on the
LSA type, and it can be one of the following:
956 Open Shortest Path First (OSPFv2 and OSPFv3)