OcNOS-RON : Layer 3 Guide : Intermediate System to Intermediate System Command Reference : IS-IS Show Commands : show clns is-neighbors
show clns is-neighbors
Use this command to display IS neighbor adjacencies.
Command Syntax
show clns is-neighbors (detail|)
show clns WORD is-neighbors (detail|)
show clns is-neighbors IFNAME (detail|)
show clns WORD is-neighbors IFNAME (detail|)
Parameters
detail
Detailed information.
WORD
Information for a single IS-IS area.
IFNAME
Information for a single interface.
Command Mode
Exec mode and Privileged Exec mode
Applicability
This command was introduced before OcNOS version 1.3.
Example
#show clns is-neighbors detail
Tag abc: VRF : default
System Id Interface State Type Priority Circuit Id
0000.0000.0003 eth1 Up L1 64 0000.0000.0003.01
L1 Adjacency ID: 1
L2 Adjacency ID: 2
Uptime: 00:12:31
Area Address(es): 52
IP Address(es): 11.11.11.2
Level-1 Protocols Supported: IPv4
Adjacency advertisement: Advertise
#
Table 3-72 explains the fields in the output.
 
Table 3-72: show clns is-neighbors output 
Field
Description
Tag
Name that identifies the IS-IS area.
VRF
VRF name.
System Id
Uniquely identifies a system within an area.
Interface
Interface from which the system was learned.
State
Adjacency state:
Init: Router is an IS and is waiting for an IS-IS hello message. IS-IS regards the neighbor as not adjacent.
Up: IS is considered reachable
Type
Type of adjacency:
L1: Router adjacency for level 1 routing only
L2: Router adjacency for level 2 only
L1L2: Router adjacency for level 1 and level 2 routing
Priority
IS-IS priority that the respective neighbor is advertising. The highest priority neighbor is elected the designated IS-IS router for the interface.
Circuit Id
Number that the router uses to uniquely identify its IS-IS interface. When the interface is attached to a broadcast network, the Circuit ID is concatenated with System ID of the designated router for the interface.
Adjacency ID
Adjacency identifier.
Uptime
How long the adjacency has existed.
Area Addresses
Area addresses associated with the intermediate-system adjacencies.
IPv4/IPv6 address(es)
IP addresses of the ES or IS.
Protocols Supported
IPv4 and/or IPv6.
Adjacency advertisement
Restart: Suppress or Advertise.
Last modified date: 08/28/2023