Administrator Guide

show isis neighbors
Display information about neighboring (adjacent) routers.
Syntax
show isis [vrf vrf-name] neighbors [level-1 | level-2] [detail] [interface]
Parameters
vrf vrf-name (OPTIONAL) Enter the keyword vrf followed by the name of the VRF to display adjacent
router information corresponding to that VRF.
level-1 (OPTIONAL) Displays information about Level 1 IS-IS neighbors.
level-2 (OPTIONAL) Displays information about Level 2 IS-IS neighbors.
detail (OPTIONAL) Displays detailed information about neighbors.
interface (OPTIONAL) Enter the following keywords and the interface information:
• For a 1-GigabitEthernet interface, enter the keyword GigabitEthernet then the
slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then
the slot/port information.
•
For a port channel interface, enter the keywords port-channel then a number.
• For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.
Command Modes
• EXEC
• EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100–ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Added support for VRF. Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
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 following example.
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.
842 Intermediate System to Intermediate System (IS-IS)