Simple definition
A specialized hardware processor that accelerates network processing on some FortiGate.
Technical definition
Network Translates support part of the training, NAT, IPsec or inspection according to the model and active functions.
What is it used for ?
Add performance without simply asking the generalist CPU.
Practical example
An eligible stream can be overloaded to the NPU to reduce the CPU load.
Common issues
- Function incompatible with the offload
- Different diagnostic between CPU and NPU streams
- Misinterpretation of meters
Related terms
Key takeaway: Exact behavior and commands may vary depending on versions, products and architectures.