Improving NP6 or NP7 GTP performance
FortiGate models with NP6 or NP7 processors support improving FortiOS GTP performance by enabling the following option:
config system npu
set gtp-support enable
set gtp-enhanced-mode enable
end
There are independent Receive and Transmit queues for GTP-U processes. These queues and their associated resources are initialized when gtp-enhanced-mode
is enabled. After entering this command you should restart your FortiGate to initialize the changes.
If you restore a configuration file, and if that restored configuration file has a different gtp-enhanced-mode
setting, you should restart your FortiGate to initialize the changes.
Some FortiGate models also allows you to select the CPUs that can perform GTP-U packet inspection.
config system npu
set gtp-enhanced-cpu-range {0 | 1 | 2}
end
Where:
0
all CPUs will process GTP-U packets
1
only primary CPUs will process GTP-U packets.
2
only secondary CPUs will process GTP-U packets.