Command:

show isis database


Mode:

Router>


Syntax:

show isis area-tag database [level-1] [level-2] [l1] [l2] [detail] [lspid]

 

Syntax Description:

area-tag Meaningful name for a routing process. This name must be unique among all IP or Connectionless Network Service (CLNS) router processes for a given router. If an area tag is not specified, a null tag is assumed and the process is referenced with a null tag. If an area tag is specified, output is limited to the specified area. Required for multiarea IS-IS configuration. Optional for conventional IS-IS configuration.
level-1 (Optional) Displays the IS-IS link-state database for Level 1.
level-2 (Optional) Displays the IS-IS link-state database for Level 2.
l1 (Optional) Abbreviation for the level-1 option.
l2 (Optional) Abbreviation for the level-2 option.
detail (Optional) When specified, the contents of each link-state packet (LSP) are displayed. Otherwise, a summary display is provided.
lspid (Optional) Link-state protocol data unit (PDU) identifier. When specified, the contents of a single LSP are displayed by its ID number.

 

Command Description:

To display the IS-IS link-state database, use the show isis database command in EXEC mode.

Each of the options for this command can be entered in an arbitrary string within the same command entry. For example, the following are both valid command specifications and provide the same output: show isis database detail l2 and show isis database l2 detail.


Example:

The following is sample output from the show isis database command when it is specified with no options:

Router# show isis database
IS-IS Level-1 Link State Database
LSPID                  LSP Seq Num     LSP Checksum   LSP Holdtime   ATT/P/OL
0000.0C00.0C35.00-00   0x0000000C      0x5696         792            0/0/0
0000.0C00.40AF.00-00*  0x00000009      0x8452         1077           1/0/0
0000.0C00.62E6.00-00   0x0000000A      0x38E7         383            0/0/0
0000.0C00.62E6.03-00   0x00000006      0x82BC         384            0/0/0
0800.2B16.24EA.00-00   0x00001D9F      0x8864         1188           1/0/0
0800.2B16.24EA.01-00   0x00001E36      0x0935         1198           1/0/0
IS-IS Level-2 Link State Database
LSPID                  LSP Seq Num     LSP Checksum   LSP Holdtime   ATT/P/OL
0000.0C00.0C35.03-00   0x00000005      0x04C8         792            0/0/0
0000.0C00.3E51.00-00   0x00000007      0xAF96         758            0/0/0
0000.0C00.40AF.00-00*  0x0000000A      0x3AA9         1077           0/0/0


Misconceptions:

None.


Related Commands:

None.


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