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show ip ospf database summary
Display the network summary (type 3) LSA routing information.
Syntax
show ip ospf process-id database summary [link-state-id] [adv-router ip-
address]
Parameters
process-id Enter the OSPF process ID to show a specific process. If you do not enter a
process ID, the command applies only to the first OSPF process.
link-state-id (OPTIONAL) Specify LSA ID in dotted decimal format. The LSA ID value depends
on the LSA type, and it can be one of the following:
● the network’s IP address for Type 3 LSAs or Type 5 LSAs
● the router’s OSPF router ID for Type 1 LSAs or Type 4 LSAs
● the default destination (0.0.0.0) for Type 5 LSAs
adv-router ip-
address
(OPTIONAL) Enter the keywords adv-router then the IP address of an
Advertising Router to display only the LSA information about that router.
Command Modes
● EXEC
● EXEC Privilege
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The following describes the show ip ospf process-id database summary command shown in
the following example.
Item Description
LS Age Displays the LSA age.
Options Displays the optional capabilities available on router. The following options can be
found in this item:
● TOS-capability or No TOS-capability is displayed depending on whether the
router can support Type of Service.
● DC or No DC is displayed depending on whether the originating router can
support OSPF over demand circuits.
● E or No E is displayed on whether the originating router can accept AS External
LSAs.
LS Type Displays the LSA type.
Link State ID Displays the Link State ID.
Advertising
Router
Identifies the router ID of the LSA’s originating router.
LS Seq Number Displays the link state sequence number. This number allows you to identify old or
duplicate LSAs.
Checksum Displays the Fletcher checksum of an LSA’s complete contents.
Length Displays the length in bytes of the LSA.
Network Mask Displays the network mask implemented on the area.
TOS Displays the TOS options. Option 0 is the only option.
Metric Displays the LSA metrics.
Example
#show ip ospf 100 database summary
848 Open Shortest Path First (OSPFv2 and OSPFv3)