configure isis area system-id

configure isis area area_name system-id [automatic | system_id]


This command configures the system ID for an IS-IS router process.

Syntax Description

area_name Specifies the area name of the IS-IS process to which to add the system ID.
automatic Sets the system ID to the system MAC address.
system_id Specifies the 6-byte system ID using three sets of four hexadecimal digits, where each set is separated by a period. For example: 001B.1F62.1201.


Automatic (system MAC address is used).

Usage Guidelines

The system ID must be a unique ID within the AS. Typically a system MAC address is used as the system ID. Sometimes a combination of one of the router's IP addresses and 2 prefix bytes are used. The assignment of the system ID may vary depending on how the AS is chosen to be administered.


The following example configures an IS-IS system ID for areax:

configure isis area areax system-id 001B.1F62.1201


This command was first available in ExtremeXOS 12.1.

Platform Availability

This command is available on platforms with a Core or Premier license as described in the ExtremeXOS and Switch Engine 31.7 Feature License Requirements document.