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[solved] Massive performance problems floating rules vs interface rules

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Gunni:
Hi there I have many performance issues with OPNsense. Here is one of them:
I have GBit Ethernet connected with about 20 VLANs.
I can iPerf between two VLANs at about 930 MBits/sec
When running the iPerf3 server on the OPNsense I get the following behaviour:

Firewall disabled: about 930 MBits/sec

Firewall enabled, Port 5201 opened in floating rules (tried different rule positions, top, middle, bottom): about 930 MBits/sec

Firewall enabled, Port 5201 opened in interrface rules (first rule): about 25 MBits/sec

I got more, but maybe this one is an easier one :D

System information:
OPNsense 21.7.2
OPNsense Cluster:
Master: 24 core Xeon @ 1,9GHz 192GB RAM
Backup: VM on ESX, 8 cores @2,2 GHz 16GB RAM

mimugmail:
Just dont use the implementation on OPN itself ... it performs more than bad :(

Gunni:
So I should not use OPNsense? Well that is a bold answer in an OPNsense forum.

Greelan:
Lol. He was just referring to iperf

Gunni:
But as you can see in my post iPerf works fine if using the floating rule or disabling the firewall.
So iperf is not the problem but OPNsense is.

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