Connectivity Guide

Default Not congured
Command Mode EXEC
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 network
OSPF Router with ID (111.2.1.1) (Process ID 10)
Network (Area 0.0.0.0)
LS age: 1356
Options: (No TOS-capability, No DC, E)
LS type: Network
Link State ID: 110.1.1.2
Advertising Router: 112.2.1.1
LS Seq Number: 0x80000008
Checksum: 0xd2b1
Length: 32
Network Mask: /24
Attached Router: 111.2.1.1
Attached Router: 112.2.1.1
Supported Releases 10.2.0E or later
show ip ospf database nssa external
Displays information about the NSSA-External Type 7 LSA.
Syntax
show ip ospf [process-id] [vrf vrf-name] database nssa external
Parameters
• process-id — (Optional) Displays NSSA-External Type7 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 NSSA-External Type7 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 ID — Identies the router ID.
Layer 3 457