show isis adjacency

Syntax

show isis adjacency <system-id> <brief | detail>

Description

Display information about IS-IS neighbors.

Options

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

detail--(Optional) Display detailed information about the entries in the IS-IS link-state database. Entries are listed by system identifier (sysid).

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

Default: brief

Required Privilege Level

view

Sample Output

Sample Output: show isis adjacency brief
Sample Output: show isis adjacency detail

Options at a Glance

Table 33 summarizes which information is included in each of the show isis adjacency command. 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 33: Show IS-IS Adjacency Output Field Summary

Options

Field Description

Detail

Expires in--How long until the adjacency expires, in seconds.

Detail

Circuit type--Bit mask of levels on this interface.

Brief

Hold (secs)--Remaining hold time of the adjacency.

All

Interface--Interface through which the adjacency is made.

Detail

IP addresses--IP address of this neighbor.

All

L--Level.

Detail

Last transition--Time of the last Up/Down transition.

Detail

Priority--Priority to become the designated intermediate system.

Brief

SNPA--Subnetwork point of attachment.

Detail

Speaks--Protocols supported by this neighbor.

All

State--State of the adjacency. It can be Up, Down, New, Initializing, or Rejected.

All

System--System identifier (sysid), printed as a name if possible.

Detail

Up/Down transitions--Count of adjacency status changes from Up to Down or from Down to Up.

Options	Field Description
Detail	Expires in--How long until the adjacency expires, in seconds.
Detail	Circuit type--Bit mask of levels on this interface.
Brief	Hold (secs)--Remaining hold time of the adjacency.
All	Interface--Interface through which the adjacency is made.
Detail	IP addresses--IP address of this neighbor.
All	L--Level.
Detail	Last transition--Time of the last Up/Down transition.
Detail	Priority--Priority to become the designated intermediate system.
Brief	SNPA--Subnetwork point of attachment.
Detail	Speaks--Protocols supported by this neighbor.
All	State--State of the adjacency. It can be Up, Down, New, Initializing, or Rejected.
All	System--System identifier (sysid), printed as a name if possible.
Detail	Up/Down transitions--Count of adjacency status changes from Up to Down or from Down to Up.

Output Fields

Interface--Interface through which the adjacency is made.

System--(Brief output only) System identifier (sysid), printed as a name if possible.

L--Level:

1--Level 1 only
2--Level 2 only
3--Level 1 and Level 2

An exclamation point (!) preceding the level number indicates that the adjacency is missing an IP address.

State--State of the adjacency. It can be Up, Down, New, Initializing, or Rejected.

Hold (secs)--(Brief output only) Remaining hold time of the adjacency.

SNPA--(Brief output only) Subnetwork point of attachment.

Expires in--(Detail output only) How long until the adjacency expires, in seconds.

Priority--(Detail output only) Priority to become the designated intermediate system.

Up/Down transitions--(Detail output only) Count of adjacency status changes from Up to Down or from Down to Up.

Last transition--(Detail output only) Time of the last Up/Down transition.

Circuit type--(Detail output only) Bit mask of levels on this interface.

Speaks--(Detail output only) Protocols supported by this neighbor.

IP addresses--(Detail output only) IP address of this neighbor.

Sample Output: show isis adjacency brief

 user@host> show isis adjacency brief 
 IS-IS adjacency database:
 Interface  System         L State        Hold (secs) SNPA
 so-1/0/0.0 1921.6800.5067 2 Up                    13
 so-1/1/0.0 1921.6800.5067 2 Up                    25
 so-1/2/0.0 1921.6800.5067 2 Up                    20
 so-1/3/0.0 1921.6800.5067 2 Up                    19
 so-2/0/0.0 1921.6800.5066 2 Up                    19
 so-2/1/0.0 1921.6800.5066 2 Up                    17
 so-2/2/0.0 1921.6800.5066 2 Up                    20
 so-2/3/0.0 1921.6800.5066 2 Up                    20
 so-5/0/0.0 ranier         2 Up                    17

Sample Output: show isis adjacency detail

 user@host> show isis adjacency detail 
 IS-IS adjacency database:
 
 1921.6800.5067
   Interface: so-1/0/0.0, Level: 2, State: Up, Expires in: 17 secs
   Priority: 0, Up/Down transitions: 1, Last transition: 02:18:14 ago
   Circuit type: 0, Speaks: IP
   IP addresses: 192.168.129.34
 
 1921.6800.5067
   Interface: so-1/1/0.0, Level: 2, State: Up, Expires in: 20 secs
   Priority: 0, Up/Down transitions: 1, Last transition: 02:18:13 ago
   Circuit type: 0, Speaks: IP
   IP addresses: 192.168.129.38
 
 1921.6800.5067
   Interface: so-1/2/0.0, Level: 2, State: Up, Expires in: 24 secs
   Priority: 0, Up/Down transitions: 1, Last transition: 02:18:23 ago
   Circuit type: 0, Speaks: IP
   IP addresses: 192.168.129.42
 ...

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