show isis neighbor

show isis neighbor

Displays information about IS-IS neighbors.

Syntax: show isis neighbor [brief | detail]

Description: Displays the information about IS-IS neighbors.

Factory Default: None.

Command Mode: Executive and privileged.

Example 1: The following is sample output from the show isis neighbor command:

router#show isis neighbor

System ID SNPA Interface State HoldTime Type Pri

1000.5000.0002 CL 12 Up 101 L1

.

.

.

Example 2: The following is sample output of the show isis neighbor when hostname dynamic is enabled:

router#show isis neighbor

System ID SNPA Interface State HoldTime Type Pri

NPIshelf2 CL 12 Up 101 L1

NPIshelf3 POS 1/6/1 Up 97 L1

Example 3: In the following is an example the show isis neighbor command is followed by the show isis neighbor detail output including hello processing information:

router>show isis neighbor

System ID SNPA Interface State HoldTime

Type Pri

ISIS-2 POS 1/18/4 Up 93 L1L2

ISIS-1 POS 1/18/1 Up 95 L2

router>show isis neighbor detail

System ID SNPA Interface State HoldTime

Type Pri

ISIS-2 POS 1/18/4 Up 101 L1L2

hello monitored by module, best hold time from module 1/18

ISIS-1 POS 1/18/1 Up 99 L2

hello monitored by server

router#

Table 3-7. Fields Displayed by show isis neighbor
Field Description

System ID

The system identifier of the neighboring system, in either xxxx.xxxx.xxxx or hostname format.

SNPA

The neighbor's MAC address on a broadcast network.

Interface

The interface over which the adjacency was established.

State

The state of the neighboring router.

HoldTime

How many seconds until the adjacency is deleted (unless it is reset).

Type

The type of adjacency. Types can be either L1 for Level 1 or L2 for Level 2.

Priority

The priority assigned to each router.

Related Commands: hostname dynamic
show isis
show isis database
show isis hostname
show isis interface
show isis topology

router#show isis neighbor System ID SNPA Interface State HoldTime Type Pri 1000.5000.0002 CL 12 Up 101 L1 . . .

router#show isis neighbor System ID SNPA Interface State HoldTime Type Pri NPIshelf2 CL 12 Up 101 L1
NPIshelf3 POS 1/6/1 Up 97 L1

router>show isis neighbor System ID SNPA Interface State HoldTime Type Pri ISIS-2 POS 1/18/4 Up 93 L1L2 ISIS-1 POS 1/18/1 Up 95 L2 router>show isis neighbor detail System ID SNPA Interface State HoldTime Type Pri ISIS-2 POS 1/18/4 Up 101 L1L2 hello monitored by module, best hold time from module 1/18 ISIS-1 POS 1/18/1 Up 99 L2 hello monitored by server router#

**Table 3-7.** Fields Displayed by show isis neighbor
Field	Description
System ID	The system identifier of the neighboring system, in either xxxx.xxxx.xxxx or hostname format.
SNPA	The neighbor's MAC address on a broadcast network.
Interface	The interface over which the adjacency was established.
State	The state of the neighboring router.
HoldTime	How many seconds until the adjacency is deleted (unless it is reset).
Type	The type of adjacency. Types can be either L1 for Level 1 or L2 for Level 2.
Priority	The priority assigned to each router.

   Source File Name: ISIS.fm
    HTML File Name: ISIS52.html
    Last Updated: 02/25/05 at 14:55:50

show isis neighbor

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