Chapter 8 Hardware Acceleration : NP4 Acceleration : Viewing your FortiGate’s NP4 configuration : NP4lite CLI commands (disabling NP4Lite offloading)
  
NP4lite CLI commands (disabling NP4Lite offloading)
If your FortiGate unit includes an NP4Lite processor the following commands will be available:
Use the following command to disable or enable NP4Lite offloading. By default NP4lite offloading is enabled. If you want to disable NP4Lite offloading to diagnose a problem enter:
diagnose npu nplite fastpath disable
This command disables NP4Lite offloading until your FortiGate reboots. You can also re-enable offloading by entering the following command:
diagnose npu nplite fastpath enable
NP4lite debug command. Use the following command to debug NP4Lite operation:
diagnose npl npl_debug {<parameters>}