The following features and services can disable CTF:
Client Data Analytics
Client Data Usage monitoring
IDS/IPS
Application Analytics
BGP Multipath
IPSec Tunnels + Source NAT
VTI Tunnels
GRE Tunnels
NEMO/DMNR (GRE tunnels)
DMVPN/NHRP (GRE tunnels)
Manual QoS
Hotspot /w throttling (Manual QoS)