Disabling IPv6 Routing for IS-IS

You can disable IP version 6 (IPv6) routing for IS-IS. Disabling IPv6 routing results in the following:

To disable IPv6 routing on the routing device, include the no-ipv6-routing statement:

For a list of hierarchy levels at which you can include this statement, see the statement summary section for this statement.

To re-enable IS-IS, remove the disable statement from the configuration:

[edit protocols]user@host# delete isis no-ipv6-routing