Improving GUI and CLI responsiveness (dedicated management CPU)

The GUI and CLI of FortiGate units with NP7, NP6, or NP6XLite (SOC4) processors may become unresponsive when the system is under heavy processing load. This can occur if NP processor interrupts overload the CPU, preventing CPU cycles from being used for management tasks. You can improve GUI and CLI responsiveness by using the following command to dedicate CPU core 0 to management tasks.

config system npu

set dedicated-management-cpu enable

end

All management tasks are then processed by CPU 0. NP processor interrupts that would normally be handed by CPU 0 are added to CPU 1, resulting in CPU 1 processes more interrupts. The dedicated-management-cpu option is disabled by default.

This feature is supported on:

• FortiGates with NP7 processors and 4-digit model numbers, for example the FortiGate-1800F and 1801F

• FortiGates with NP6 processors and 4-digit model numbers. for example the FortiGate-1000E and 1001E

• FortiGates with NP6XLite (SOC4) processors except the FortiGate-200F and 201F.