Connectivity Guide

Default Not congured
Command Mode EXEC
Usage Information Output:
• LS age—Displays the LS age.
• Options—Displays optional capabilities.
• LS Type—Displays the LS 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. This 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] [vrf vrf-name] database summary
Layer 3 561