colemar commented 3 months ago

Is your feature request related to a problem? Please describe. Cannot tell WSL2 to leave eth0 alone, that is don't set IP address, mask, routes.

Describe the solution you'd like Some setting in .wslconfig like: networkingMode = noip

Describe alternatives you've considered Add this to /etc/wsl.conf

[boot]
command = ip address flush dev eth0

Why? Because being unable to make networkingMode = bridged work, I resorted to this solution:

wsl --shutdown
open Hyper-V Manager / Virtual Switch Manager
click on Virtual Switches / WSL
enable External Network and select the LAN interface
Click Apply
Start WSL Ubuntu 22.04.2
sudo -i

vi /usr/lib/systemd/network/wsl_external.network

[Match]
Name=eth0
[Network]
Description=WSLBridge
DHCP=true

vi /etc/wsl.conf
```
[boot]
systemd=true
```
echo "nameserver 192.168.0.1" > /etc/resolv.conf
systemctl enable systemd-networkd
systemctl enable systemd-resolved
wsl --shutdown
Start WSL Ubuntu 22.04.2
ip addr shows that eth0 has two ip addresses: 172.x.x.x.x and 192.168.0.x (the first I believe is related to NAT)
ip route shows two default routes

Additional context WSL version: 2.1.5.0 Kernel version: 5.15.146.1-2 WSLg version: 1.0.60 MSRDC version: 1.2.5105 Direct3D version: 1.611.1-81528511 DXCore version: 10.0.25131.1002-220531-1700.rs-onecore-base2-hyp Windows version: 10.0.19045.4412

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