Reference Guide

Command Mode EXEC
Usage Information Output:
LS age—Displays the LS age.
Options—Displays optional capabilities.
LS Type—Displays the Link State type.
Link State ID—Identies the router ID.
Advertising Router—Identies the advertising router’s ID.
LS Seq Number—Identies the LS sequence number (identies old or duplicate LSAs).
Checksum—Displays the Fletcher checksum of an LSA’s complete contents.
Length—Displays the LSA length in bytes.
TOS—Displays the ToS options. The only option available is zero..
Metric—Displays the LSA metric.
Example
OS10# show ip ospf 10 database router
OSPF Router with ID (111.2.1.1) (Process ID 10)
Router (Area 0.0.0.0)
LS age: 1419
Options: (No TOS-capability, No DC, E)
LS type: Router
Link State ID: 111.2.1.1
Advertising Router: 111.2.1.1
LS Seq Number: 0x8000000d
Checksum: 0x9bf2
Length: 60
AS Boundary Router
Number of Links: 3
Link connected to: a Transit Network
(Link ID) Designated Router address: 110.1.1.2
(Link Data) Router Interface address: 110.1.1.1
Number of TOS metric: 0
TOS 0 Metric: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 111.1.1.1
(Link Data) Router Interface address: 111.1.1.1
Number of TOS metric: 0
TOS 0 Metric: 1
Link connected to: a Transit Network
(Link ID) Designated Router address: 111.2.1.1
(Link Data) Router Interface address: 111.2.1.1
Number of TOS metric: 0
TOS 0 Metric: 1
Supported Releases
10.2.0E or later
show ip ospf database summary
Displays the network summary (Type 3) LSA routing information.
Syntax
show ip ospf [process-id] database summary
Parameters process-id—(Optional) Displays LSA information for a specic OSPF process ID. If you do not enter a process
ID, this command applies only to the rst OSPF process.
Layer 3 373