Reference Guide

Parameters process-id—(Optional) Displays AS external (Type 5) LSA information for a specied OSPF Process ID. If you
do not enter a Process ID, this command applies only to the rst OSPF process.
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 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 — Indenti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 database external
OSPF Router with ID (1.1.1.1) (Process ID 100)
Type-5 AS External
LS age: 11
Options: (No TOS-Capability, No DC, E)
LS type: Type-5 AS External
Link State ID: 12.1.1.0
Advertising Router: 2.2.2.2
LS Seq Number: 0x80000001
Checksum: 0xBBEC
Length: 36
Network Mask: /24
Metric Type: 2
TOS: 0
Metric: 20
Forward Address: 0.0.0.0
External Route Tag: 0
LS age: 11
Options: (No TOS-Capability, No DC, E)
LS type: Type-5 AS External
Link State ID: 13.1.1.0
Advertising Router: 2.2.2.2
LS Seq Number: 0x80000001
Checksum: 0xAEF8
Length: 36
Network Mask: /24
Metric Type: 2
TOS: 0
Metric: 20
Forward Address: 0.0.0.0
External Route Tag: 0
Supported Releases
10.2.0E or later
290 Layer 3