Reference Guide

Command
History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
Use this command to confirm that the neighbor adjacencies are operating
correctly. If you suspect that they are not, you can verify the specified area
addresses of the routers by using the show isis neighbors command.
The following describes the show isis neighbors command shown in the
Example below.
Field Description
System Id The value that identifies a system in an area.
Interface The interface, slot, and port in which the router was
discovered.
State The value providing status about the adjacency state. The
range is Up and Init.
Type This value displays the adjacency type (Layer 2, Layer 2 or
both).
Priority IS-IS priority advertised by the neighbor. The neighbor with
highest priority becomes the designated router for the
interface.
Uptime Displays the interfaces uptime.
Circuit Id The neighbor’s interpretation of the designated router for the
interface.
Example
The bold sections below identify that Multi-Topology IS-IS is enabled.
Dell#show isis neighbors
System Id Interface State Type Priority Uptime Circuit Id
TEST Te 7/1 Up L1L2(M) 127 09:28:01 TEST.02
!
Dell#show isis neighbors detail
System Id Interface State Type Priority Uptime Circuit Id
TEST Te 7/1 Up L1L2(M) 127 09:28:04 TEST.02 Area Address(es):
49.0000.0001
IP Address(es): 25.1.1.3*
MAC Address: 0000.0000.0000
Hold Time: 28
Link Local Address: fe80::201:e8ff:fe00:492c
Topology: IPv4 IPv6 , Common (IPv4 IPv6 )
Adjacency being used for MTs: IPv4 IPv6
Dell#
854
Intermediate System to Intermediate System (IS-IS)