Administrator Guide

Parameters
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 slot/port or number information:
● For a 1-Gigabit Ethernet 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 40-Gigabit Ethernet interface, enter the keyword fortyGigE 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.
vrf vrf-name (OPTIONAL) Enter the keyword vrffollowed by the name of the VRF to display
adjacent router information corresponding to that VRF
Command Modes
● EXEC
● EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048-ON and S4048-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.
Type This value displays the adjacency type (Layer 2, Layer 2 or both).
Priority IS-IS priority the neighbor advertises. 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.
858 Intermediate System to Intermediate System (IS-IS)