Site to Site VPN setup between Google Cloud Platform and Fortigate 2of2 by Cloud Ace

Site-to-Site VPN setup between Google Cloud Platform and Fortigate by Cloud Ace Ltd. (Thailand), Google Cloud Platform Premier Partner.
2018 Application Development Partner of the Year - GLOBAL

[@nhunguyen222]

i can not ping from Premise to Google Cloud. how can i fix it . i did check routing table, disabled NAT already

[@jasonjoseph5713]

why nat disabled for Lan to GCP