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show isis database

Syntax

show isis database <system-id> <brief | detail | extensive>

Description

Display the entries in the IS-IS link-state database, which contains data about PDU packets.

Options

brief--(Optional) Display brief information about the entries in the link-state database.

detail--(Optional) Display detailed information about the entries in the link-state database.

extensive--(Optional) Display very detailed information about the entries in the link-state database.

system-id--(Optional) Display the link-state database entries for the specified system.

Default: brief

Required Privilege Level

view

See Also

clear isis database on page 392

Sample Output

Sample Output: show isis database brief
Sample Output: show isis database detail
Sample Output: show isis database extensive

Options at a Glance

Table 34 summarizes which information is included in each of the show isis database command options. In this table, output fields are listed in alphabetical order. In the Output Fields section, the output fields are listed in the order in which they are displayed.

Table 34: Show ISIS Database Output Field Summary
Options
Field Description
All
Checksum--Checksum value of the LSP.
Detail Extensive
IP prefix--Prefix advertised by this LSP.
Detail
IS neighbor--An IS-IS neighbor of the advertising system.
All
Lifetime (secs)--Remaining lifetime of the LSP, in seconds.
All
LSP ID--Link-state PDU (LSP) identifier.
Detail Extensive
lsp-id--Link-state PDU (LSP) identifier.
Detail Extensive
Metric--Metric of the prefix or neighbor.
All
Sequence--Sequence number of the LSP.
Extensive
Additional fields contain internal IS-IS information that is useful only in troubleshooting obscure problems.

 
Output Fields

LSP ID--Link-state PDU (LSP) identifier.

Sequence--Sequence number of the LSP.

Checksum--Checksum value of the LSP.

Lifetime (secs)--Remaining lifetime of the LSP, in seconds.

IP prefix--(Detail and Extensive output only) Prefix advertised by this LSP.

IS neighbor--(Detail output only) An IS-IS neighbor of the advertising system.

Metric--(Detail and Extensive output only) Metric of the prefix or neighbor.

The remaining fields contain internal IS-IS information that is useful only in troubleshooting obscure problems. For more details about these fields, contact your customer support representative.

Sample Output: show isis database brief 
 user@host> show isis database 
 user@host> show isis database brief
 IS-IS level 1 link-state database:
 LSP ID                      Sequence Checksum Lifetime (secs)
 1921.6800.5080.00-00            0x89    0xfad             682
 1921.6800.5081.00-00            0x69   0x8b2b            1103
   2 LSPs
 
 IS-IS level 2 link-state database:
 LSP ID                      Sequence Checksum Lifetime (secs)
 1921.6800.5080.00-00            0x8d    0x7b1             685
 1921.6800.5081.00-00            0x69   0x8b2b            1063
   2 LSPs
Sample Output: show isis database detail 
 user@host> show isis database detail 
 IS-IS level 1 link-state database:
 1921.6800.5080.00-00  Sequence: 0x89, Checksum: 0xfad, Lifetime: 1198 secs
   IS neighbor:    1921.6800.5080.01 Metric:     10
   IS neighbor:    1921.6800.5081.00 Metric:     10
   IS neighbor:    1921.6800.5080.02 Metric:      0
   IP prefix:       192.168.8.198/32 Metric:     10 Internal
   IP prefix:       192.168.8.192/32 Metric:     10 Internal
   IP prefix:       192.168.8.196/32 Metric:     10 Internal
 1921.6800.5081.00-00  Sequence: 0x69, Checksum: 0x8b2b, Lifetime: 1199 secs
   IS neighbor:    1921.6800.5080.00 Metric:     10
   IS neighbor:    1921.6800.5081.02 Metric:      0
   IP prefix:       192.168.8.197/32 Metric:     10 Internal
   IP prefix:       192.168.8.193/32 Metric:     10 Internal
 
 IS-IS level 2 link-state database:
 1921.6800.5080.00-00  Sequence: 0x8d, Checksum: 0x7b1, Lifetime: 1198 secs
   IS neighbor:    1921.6800.5080.01 Metric:     10
   IS neighbor:    1921.6800.5081.00 Metric:     10
   IS neighbor:    1921.6800.5080.02 Metric:      0
   IP prefix:       192.168.8.198/32 Metric:     10 Internal
   IP prefix:       192.168.8.192/32 Metric:     10 Internal
   IP prefix:       192.168.8.196/32 Metric:     10 Internal
 1921.6800.5081.00-00  Sequence: 0x69, Checksum: 0x8b2b, Lifetime: 1199 secs
   IS neighbor:    1921.6800.5080.00 Metric:     10
   IS neighbor:    1921.6800.5081.02 Metric:      0
   IP prefix:       192.168.8.197/32 Metric:     10 Internal
   IP prefix:       192.168.8.193/32 Metric:     10 Internal
Sample Output: show isis database extensive 
 user@host> show isis database extensive 
 IS-IS level 1 link-state database:
 
 1921.6800.5081.00-00  Sequence: 0x89, Checksum: 0x4b4b, Lifetime: 1199 secs
 
   IS neighbor:    1921.6800.5080.00 Metric:     10
   IS neighbor:    1921.6800.5081.02 Metric:      0
 
   IP prefix:       192.168.8.197/32 Metric:     10 Internal
   IP prefix:       192.168.8.193/32 Metric:     10 Internal
 
   Header: LSP id: 1921.6800.5081.00-00, Length: 206 bytes
     Allocated length: 1492 bytes
     Remaining lifetime: 854 secs, Level: 2, Interface: 0
     Estimated free bytes: 1286, Actual free bytes: 1286
     Aging timer expires in: 854 secs
     Protocols: IP
 
   Packet: LSP id: 1921.6800.5081.00-00, Length: 206 bytes, Lifetime: 1199 secs
     Checksum: 0x4b4b, Sequence: 0x89, Attributes: 0x3 <L1 L2>
     NLPID: 0x83, Fixed length: 27 bytes, Version: 1, Sysid length: 0 bytes
     Packet type: 20, Packet version: 1, Max area: 0
 
   TLVs:
     Area address: 47.0005.80ff.f800.0000.0108.0001 (13)
     Speaks: IP
     IP router id: 192.168.5.81
     IP address: 192.168.5.81
     IS neighbor: 1921.6800.5081.02, Metric: 0
     IS neighbor: 1921.6800.5080.00, Metric: 10
       Maximum bandwidth: 622Mbps
       IP address: 192.168.8.192
       Neighbor's IP address: 192.168.8.193
       IP prefix: 192.168.8.193/32
       Administrative groups: 0 <none>
     IS neighbor: 1921.6800.5080.00, Metric: 10
       Maximum bandwidth: 155Mbps
       IP address: 192.168.8.196
       Neighbor's IP address: 192.168.8.197
       IP prefix: 192.168.8.197/32
       Administrative groups: 0 <none>
     IP prefix: 192.168.8.193/32, Internal, Metrics: default 10
     IP prefix: 192.168.8.197/32, Internal, Metrics: default 10
     IS neighbor: 1921.6800.5080.00, Internal, Metrics: default 10
     IS neighbor: 1921.6800.5080.00, Internal, Metrics: default 10
 
 IS-IS level 2 link-state database:
 ...


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