enable isis

enable isis {area area_name}


This command enables the specified IS-IS router process on the current virtual router.

Syntax Description

area_name Specifies the name of the IS-IS router process to be enabled.



Usage Guidelines

If no area name is specified, all IS-IS router processes on the current virtual router are enabled. Once a router process is enabled, IS-IS PDUs are sent and processed provided that the following conditions are met:
  • The router process has a system ID and area address configured.

  • At least one associated VLAN interface has IPv4 or IPv6 forwarding enabled.

This command has no effect on router processes that are already enabled.


The following command enables the IS-IS process named areax:

enable isis area areax


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 32.2 Feature License Requirements document.