Connectivity Guide

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.
• vrf vrf-name — (Optional) Displays LSA information for a specied OSPF process ID corresponding to a
VRF.
Default Not congured
Command Mode EXEC
Usage Information
• LS Age—Displays the LS age.
• Options—Displays the optional capabilities available on the router.
• 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.
• Network Mask—Identies the network mask implemented on the area.
• TOS—Displays the ToS options. The only option available is zero.
• Metric—Displays the LSA metric.
Example
OS10# show ip ospf 10 database summary
OSPF Router with ID (111.2.1.1) (Process ID 10)
Summary Network (Area 0.0.0.0)
LS age: 623
Options: (No TOS-capability, No DC)
C: Summary Network
Link State ID: 115.1.1.0
Advertising Router: 111.111.111.1
LS Seq Number: 0x800001e8
Checksum: 0x4a67
Length: 28
Network Mask: /24
TOS: 0 Metric: 0
Supported Releases 10.2.0E or later
show ip ospf interface
Displays the congured OSPF interfaces. You must enable OSPF to display output.
Syntax
show ip ospf interface [process-id] [vrf vrf-name] interface or show ip ospf
[process-id] [vrf vrf-name] interface [interface]
Parameters
• process-id — (Optional) Displays information for an OSPF process ID. If you do not enter a process ID, this
command applies only to the rst OSPF process.
• vrf vrf-name — (Optional) Displays information for an OSPF instance corresponding to a VRF.
• interface — (Optional) Enter the interface information:
– ethernet — Enter the Ethernet interface information, from 1 to 48.
– port channel — Enter the port-channel interface number, from 1 to 128.
Layer 3 463