slow ethernet speed - but downloads only

[szyper]

Hello,

Recently I'd like to test 21.1 on my little x86 cube box with one ethernet port.
So I prepared two configurations - one with openwrt and one with newest 21.1 opnsense.
To my surprise Opnsense just limiting the speed of my downloads to ~100 Mbps with proper speed ~200-300 Mbps upload.
With replaced disk with openwrt configuration - the speed is normal about max of my ISP (700-900 Mbps).
The difference is of course system (linux vs freebsd) and famous realtek gigabit card/driver.
Both systems use VLAN. I tried to turn off/on offload hwchecksums  - no difference (maybe some combinations could be better).
Any ideas? no traffic shaping, just normal configuration.
Maybe older version of OPNsense?

Thanks for any tips to check.
Regards

[utahbmxer]

Did you turn on IPS?  IPS can have a huge hit on throughput in my experience.

[Pocket_Sevens]

I’d also try 20.7 OPNSense.  I noticed when I upgraded to 21.1 that my performance went down.  I ended up rolling back to 20.7 (and updated to 20.7.. 

[szyper]

I've installed OPNsense, 1 user only, turn on speedtest - so I did not touch IPS-firewall settings.
My i3-4001u, I think, is not an oldie proc, so I think it is a kind of bug in new edition of OPNsense...
Maybe the answer is another thread about suricata performance?

[thowe]

The performance of the hardware should hardly be a problem.

How is the WAN connected?
- PPPoE?
- Problems with the MTU, so that question mentation occurs?

At most some of the usual tunables could help (flow control, RX/TX queues etc.)

[szyper]

Maybe, I will check after some time and future updates...
But the same hardware and OpenWRT and...no problems...so I suspect internal software or tuneables...
Generic install - no any special options just lan and wan - maybe the VLANs have some impact, but in OpenWRT no effects.

Regards