Users Guide

Table Of Contents
Usage Information
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.
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 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] [vrf vrf-name] 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.
vrf vrf-name — (Optional) Displays AS external (Type 5) 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 IDIdenties the router ID.
Advertising RouterIdenties the advertising router’s ID.
LS Seq NumberIdenties the LS sequence number. This identies old or duplicate LSAs.
Checksum — Displays the Fletcher checksum of an LSA’s complete contents.
626 Layer 3