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Extreme reduction of bandwidth on 100Mbit line

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thebraz:
Hello,

I installed the Zenarmor plugin in a well working VM installation of Opnsense.

The host is the following Windows 11 PC:

- Intel Core i7 12700
- 128 GB RAM
- Intel(R) Ethernet Connection (17) I219-LM
- Micron 3400 NVMe 1TB
- ST2000DM008-2UB02 (actually the VM is installed on this HDD)

The OPNSense VM has a static IP and is performing basic functions:

- acts as Internet gateway for internal network
- a few nat port-forwarding
- traffic shaping for some internal IPs

Following the details of the VM:

- last version (7.0.14) of Virtualbox Hypervisor
- 16 GB RAM
- 500 GB HDD space
- one core (tried 4 core but had only stability problems) assigned to the VM
- two Intel PRO/1000 MT desktop network cards in bridge mode, every card has its internal IP

When there is no ZenArmor i can obtain all the 100Mbit up/down bandwidth.
When ZenArmor (free) is installed (doesn't seem netmap mode matters, I tried all the option) I barely reach 20 MBit in both directions.
This behaviour even stopping / bypassyng ZenArmor.

Uninstalling ZenArmor revert the system to full bandwidth.

If someone could give advice on how to proceed it's be greatly appreciated.

Thanks in advance

Patrick M. Hausen:
A Windows 11 system with a desktop/development hypervisor is not a suitable environment for a production firewall.

thebraz:
Thank you for your post, I was aware of the implication.

For test purpose, I didn't mention production anywhere, should be good.

Is someone able to give some advice in order to the performace problem? Didn't experience it with any other product I tested before.

Best regards

sy:
Hi,

Are you sure it is the same even if Zenarmor is stopped?

thebraz:
Hi,

yeah, stopping ZenArmor didn't change the behaviour at all.

Best Regards

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