Connectivity Guide
Parameters
• process-id—(Optional) Displays AS external Type 5 LSA information for a specied 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 specied OSPF Process ID 
corresponding to a VRF.
Default Not congured
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 ID — Identies the router ID.
• Advertising Router — Identies the advertising router’s ID.
• LS Seq Number — Identies the LS sequence number. This identies old or duplicate LSAs.
• Checksum — Displays the Fletcher checksum of an LSA’s complete contents.
• Length — Displays the LSA length in bytes.
• Network Mask — Identies 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 specied 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 network Type2 LSA information for a specied OSPF process ID 
corresponding to a VRF.
Layer 3 555










