Reference Guide

• Options—Displays the optional capabilities available on the router.
• 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.
• Network Mask—Identies the network mask implemented on the area.
• TOS—Displays the ToS options. Option 0 is the only option.
• 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]interface or show ip ospf [process-id]
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.
• interface — (Optional) Enter the interface information:
• ethernet — Enter the Ethernet interface information (1 to 48)
• port channel — Enter the port-channel interface number (1 to 128).
• vlan — Enter the VLAN interface number (1 to 4094).
Default Not congured
Command Mode EXEC
Example
OS10# show ip ospf interface
ethernet1/1/1 is up, line protocol is up
Internet Address 10.0.0.2/24, Area 0.0.0.0
Process ID 200, Router ID 10.0.0.2, Network Type broadcast, Cost: 1
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 10.0.0.2, Interface address 10.0.0.2 (local)
Backup Designated router (ID) , Interface address 0.0.0.0
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Layer 3 319