Answer
From Junos Space Network Management Platform Release 14.1R2 onward, you can discover and manage devices by using IPv6 addresses. Junos Space Platform supports the management of devices configured with only IPv4 addresses, only IPv6 addresses, or both.
From Junos Space Network Management Platform Release 15.1R1 onward, you can configure nodes in the Junos Space fabric with only IPv4 addresses or both IPv4 and IPv6 addresses (dual stack).
For more information, click Junos Space IPv6 Support Overview.