[Help] F5-422 10GbE poor performance

[Kier]

I'm running a 10 gigabit ethernet network locally, but my F5-422 is notable by its lack of performance.

• All devices are running with identical Cat 6a cables
• All ports on the Netgear XS712T switch have identical settings
• All devices have MTU 9000

However, iperf3 from my workstation shows dramatically different results for the TNAS compared to my other machines.

Can anyone suggest a resolution?

Mac Mini 2018 (i7) - 9.90 Gbits/sec

Code: Select all

% iperf3 -c 192.168.1.16
Connecting to host 192.168.1.16, port 5201
[  5] local 192.168.1.25 port 56971 connected to 192.168.1.16 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.01   sec  1.16 GBytes  9.92 Gbits/sec                  
[  5]   1.01-2.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   2.01-3.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   3.01-4.00   sec  1.15 GBytes  9.89 Gbits/sec                  
[  5]   4.00-5.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   5.00-6.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   6.00-7.01   sec  1.16 GBytes  9.90 Gbits/sec                  
[  5]   7.01-8.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   8.01-9.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   9.00-10.00  sec  1.15 GBytes  9.90 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.00  sec  11.5 GBytes  9.90 Gbits/sec                  sender
[  5]   0.00-10.01  sec  11.5 GBytes  9.90 Gbits/sec                  receiver

iperf Done.

Mac Mini 2024 (M4) - 9.89 Gbits/sec

Code: Select all

% iperf3 -c 192.168.1.23
Connecting to host 192.168.1.23, port 5201
[  5] local 192.168.1.25 port 58089 connected to 192.168.1.23 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.01   sec  1.16 GBytes  9.88 Gbits/sec                  
[  5]   1.01-2.00   sec  1.15 GBytes  9.89 Gbits/sec                  
[  5]   2.00-3.01   sec  1.16 GBytes  9.90 Gbits/sec                  
[  5]   3.01-4.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   4.01-5.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   5.01-6.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   6.00-7.01   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   7.01-8.01   sec  1.15 GBytes  9.88 Gbits/sec                  
[  5]   8.01-9.01   sec  1.15 GBytes  9.88 Gbits/sec                  
[  5]   9.01-10.00  sec  1.15 GBytes  9.90 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.00  sec  11.5 GBytes  9.89 Gbits/sec                  sender
[  5]   0.00-10.00  sec  11.5 GBytes  9.89 Gbits/sec                  receiver

iperf Done.

TNAS F5-422 - 5.07 Gbits/sec

Code: Select all

% iperf3 -c 192.168.1.15
Connecting to host 192.168.1.15, port 5201
[  5] local 192.168.1.25 port 57054 connected to 192.168.1.15 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.01   sec   620 MBytes  5.17 Gbits/sec                  
[  5]   1.01-2.01   sec   433 MBytes  3.63 Gbits/sec                  
[  5]   2.01-3.01   sec   623 MBytes  5.23 Gbits/sec                  
[  5]   3.01-4.01   sec   812 MBytes  6.81 Gbits/sec                  
[  5]   4.01-5.01   sec   625 MBytes  5.25 Gbits/sec                  
[  5]   5.01-6.01   sec   436 MBytes  3.66 Gbits/sec                  
[  5]   6.01-7.01   sec   548 MBytes  4.59 Gbits/sec                  
[  5]   7.01-8.01   sec   706 MBytes  5.92 Gbits/sec                  
[  5]   8.01-9.01   sec   627 MBytes  5.26 Gbits/sec                  
[  5]   9.01-10.00  sec   623 MBytes  5.23 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.00  sec  5.91 GBytes  5.07 Gbits/sec                  sender
[  5]   0.00-10.01  sec  5.91 GBytes  5.07 Gbits/sec                  receiver

iperf Done.

[CursaYang]

Check the CPU usage (especially single-core performance) of the NAS during the iperf3 test.

[Kier]

Check the CPU usage (especially single-core performance) of the NAS during the iperf3 test.

As far as I can tell, the CPU is unstressed by the iperf3 test - see the video here, showing iperf3 to the TNAS, followed by iperf3 to a Mac Mini, with CPU usage for the TNAS displayed.

https://youtu.be/6vNcSbACYiA

[kaddea]

I guess, the CPU specs are limiting the bandwidth; especially PCIe 2.0 only for the NIC ...

https://www.intel.de/content/www/de/de/ ... tions.html

best,

Mathias

(I also got only 6.5GBits/sec on average)

[TMzethar]

The F5-422 employs an INTEL Apollo Lake J3455 CPU, which is nearly a decade old and has relatively weak performance. Additionally, the 10G network chip in the F5-422 product is implemented via a PCIE2.0 X2 interface.