Reference Guide

Usage Information
• 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.
• 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 10 database asbr-summary
OSPF Router with ID (1.1.1.1) (Process ID 100)
Summary Asbr (Area 0.0.0.1)
LS age: 32
Options: (No TOS-Capability, No DC)
LS type: Summary Asbr
Link State ID: 8.1.1.1
Advertising Router: 2.2.2.2
LS Seq Number: 0x80000001
Checksum: 0xB595
Length: 28
Network Mask: /0
TOS: 0 Metric: 0
Supported Releases 10.2.0E or later
show ip ospf database external
Displays information about the AS external (Type 5) LSAs.
Syntax
show ip ospf [process-id] database external
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.
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