How to set up IPSec VPN tunnel on RT-AC88U?

Newest firmware is installed: 3.0.0.4.384_45717 Im trying to make a IPsec VPN tunnel to a external VPN server but i cant find the option in my router ? I got below info to put in my router: Connect IPsec vpn to – 212.130.xxx.xxx AES-256 PFS Fase1 IKE ALGO - AES 256 IKE Auth ALGO – MD5 IKE SA lifetime – 7800 DH: 5 Fase2 IPsec encryption – AES 256 IPsec auth algo – MD5 IPsec SA lifetime – 3600 DH: 5 Passphrase: XXX Thank you in advance. Kr, Anders