Chapter 8 Hardware Acceleration : Hardware acceleration overview : Network processors (NP1, NP2, NP3, NP4 and NP6) : Configuring NP accelerated VPN encryption/decryption offloading : Example
  
Example
You could configure the offloading of encryption and decryption for an IPsec SA that was sent to the network processor.
config system npu
set enc-offload-antireplay enable
set dec-offload-antireplay enable
set offload-ipsec-host enable
end