Question:
Is CGP/Session Reliability required for Framehawk to work through Netscaler Gateway?
Answer:
Yes, CGP/Session reliability has to be enabled on Storefront/DDC for Framehawk to work through Netscaler Gateway as it needs a reconnect ticket for DTLS from NSG
Please refer the the following article to understand how to configure framehawk:
http://docs.citrix.com/en-us/xenapp-and-xendesktop/7-8/hdx/framehawk.html