Users Guide

Table Of Contents
Link State ID Identifies the router ID.
Advertising Router Identifies the advertising routers ID.
LS Seq Number Identifies the LS sequence number. This identifies old or duplicate LSAs.
Checksum Displays the Fletcher checksum of an LSAs complete contents.
Length Displays the LSA length in bytes.
Network Mask Identifies 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 external
OSPF Router with ID (111.2.1.1) (Process ID 10)
Type-5 AS External
LS age: 1424
Options: (No TOS-capability, No DC, E)
LS type: Type-5 AS External
Link State ID: 110.1.1.0
Advertising Router: 111.2.1.1
LS Seq Number: 0x80000009
Checksum: 0xc69a
Length: 36
Network Mask: /24
Metric Type: 2
TOS: 0
Metric: 20
Forward Address: 110.1.1.1
External Route Tag: 0
Supported
Releases
10.2.0E or later
show ip ospf database network
Displays information about network Type 2 LSA information.
Syntax
show ip ospf [process-id] [vrf vrf-name] database network
Parameters
process-id (Optional) Displays network Type2 LSA information for a specified OSPF process ID.
If you do not enter a process ID, this command applies only to the first OSPF process.
vrf vrf-name (Optional) Displays network Type2 LSA information for a specified OSPF process
ID corresponding to a VRF.
Default Not configured
Command Mode EXEC
Usage
Information
LS AgeDisplays the LS age.
OptionsDisplays optional capabilities.
LS TypeDisplays the LS type.
Link State IDIdentifies the router ID.
Advertising RouterIdentifies the advertising routers ID.
LS Seq NumberIdentifies the LS sequence number. This identifies old or duplicate LSAs.
ChecksumDisplays the Fletcher checksum of an LSAs complete contents.
LengthDisplays the LSA length in bytes.
Network MaskIdentifies the network mask implemented on the area.
TOSDisplays the ToS options. The only option available is zero..
MetricDisplays the LSA metric.
Example
OS10# show ip ospf 10 database network
OSPF Router with ID (111.2.1.1) (Process ID 10)
960 Layer 3