Configure IPV6 IS-IS Basic Function

Configuration Condition

Before using the IPV6 IS-IS protocol, first complete the following tasks:

Configure the link layer protocol to ensure the normal communication at the link layer.
Configure the network layer IP address of the interface to enable the neighboring nodes to be reachable at the network layer.

Multiple IPV6 IS-IS processes can operate at the same time in the system. Each process is identified by different process names.

Table 10-2 Enable the IPV6 IS-IS protocol

Step	Command	Description
Enter the global configuration mode	configure terminal	-
Create the IPV6 IS-IS process and enter the IPV6 IS-IS configuration mode	router isis [area-tag ]	Mandatory By default, the IPV6 IS-IS process does not operate in the system. The process name is area-tag.
Configure the network entity title for the IPV6 IS-IS	net entry-title	Mandatory By default, the network entity title is not configured for the IPV6 IS-IS.
Return to the global configuration mode	exit	-
Enter the interface configuration mode	interface interface-name	-
Enable the IPV6 IS-IS protocol on the interface	ip router isis [area-tag ]	Mandatory By default, the IPV6 IS-IS protocol is not enabled on the interface.

There can be multiple IS-IS processes in one VRF. Table 10-3 Configure the IS-IS VRF attribute

Step	Command	Description
Enter the global configuration mode	configure terminal	-
Enter the IPV6 IS-IS configuration mode	router isis [ area-tag ]	-
Enter the VRF attribute for the IS-IS	vrf vrf-name	Optional By default, the IS-IS process locates at the global VRF.