How enable IPv6 module in LTM

Thanks,

I had seen it, but could you tell me if I have IPV6 GATEWAY licence ready showing the next output ? I see that as Active Modules in my F5:

Local Traffic Manager, 3600(Perpetual) () Local Traffic Manager Module ADD IPV6 GATEWAY -> What is the meaning of this line ? How can I add this module ? Do I Need and additional license ? ADD RATE SHAPING ADD RAMCACHE 50 MBPS COMPRESSION SSL 500 TPS Per Core ADD SSL CMP ADD ANTI-VIRUS CHECKS ADD BASE ENDPOINT SECURITY CHECKS ADD FIREWALL CHECKS ADD NETWORK ACCESS ADD SECURE VIRTUAL KEYBOARD ADD WEB APP ADD MACHINE CERTIFICATE CHECKS ADD PROTECTED WORKSPACE