wsl2 mirrored mode can't use corporate openvpn to connect

[MonRoi-dev]

Windows Version

Microsoft Windows [Version 10.0.26200.8037]

WSL Version

2.7.0.0

Are you using WSL 1 or WSL 2?

• WSL 2
• WSL 1

Kernel Version

6.6.114.1

Distro Version

Ubuntu-24.04

Other Software

Docker version 28.3.2
Openvpn v2.6.14
wsl config:
[wsl2]
memory=16GB
processors=10
networkingMode=mirrored
dnsTunneling=true
firewall=false
autoProxy=true
vmIdleTimeout=60000

[experimental]
hostAddressLoopback=true
autoMemoryReclaim=gradual

Repro Steps

1. Enable in windows openvpn (im using pritunl client).
2. Go to wsl and request corporate server (git pull or something behind corporate vpn)

Expected Behavior

The server is expected to respond. Git pulled successfully.

Actual Behavior

Connection timeout

Diagnostic Logs

No response

[github-actions]

Logs are required for review from WSL team

If this a feature request, please reply with '/feature'. If this is a question, reply with '/question'.
Otherwise, please attach logs by following the instructions below, your issue will not be reviewed unless they are added. These logs will help us understand what is going on in your machine.

How to collect WSL logs

Download and execute collect-wsl-logs.ps1 in an administrative powershell prompt:

Invoke-WebRequest -UseBasicParsing "https://raw.githubusercontent.com/microsoft/WSL/master/diagnostics/collect-wsl-logs.ps1" -OutFile collect-wsl-logs.ps1
Set-ExecutionPolicy Bypass -Scope Process -Force
.\collect-wsl-logs.ps1

The script will output the path of the log file once done.

If this is a networking issue, please use .\collect-wsl-logs.ps1 -LogProfile networking instead, following the instructions in Collect WSL logs for networking issues

Once completed please upload the output files to this GitHub issue.

See Collect WSL logs (recommended method).

If you choose to email these logs instead of attaching them to the bug, please send them to wsl-gh-logs@microsoft.com with the GitHub issue number in the subject, and include a link to your GitHub issue comment in the message body, and reply with '/emailed-logs'.

[MonRoi-dev]

System logs here
Unfortunately, I couldn't upload it to git.

[MonRoi-dev]

I found a solution. You need to install an OpenVPN client that supports Wintun. I used OpenVPN GUI Community Edition 2.6.19. The client version must support Wintun, so OpenVPN GUI 2.7.0 will no longer work.
In the OVPN configuration file, you need to add windows-driver wintun