[Bug 255251] The ue0 device has an unstable network connection

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255251

Jean-Sébastien Pédron <dumbbell@FreeBSD.org> changed:

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--- Comment #6 from Jean-Sébastien Pédron <dumbbell@FreeBSD.org> ---
I'm also getting unstable connections with two Realtek Ethernet USB-C adapters.

The first one is inside a Dell W19TB docking station. The second one is a
standalone adapter. The laptop (a Dell Precision 5540) has no internal RJ45, so
I'm stuck with the external ones...

I also configured if_lagg on top of if_ure to use wifi when I unplug the
Ethernet cable.

The symptoms are losses of connections/packets. I don't see the DOWN/UP events
from ue0 however. Perhaps they are "hidden" by the use of if_lagg. I enabled
if_ure debugging with hw.usb.ure=1 but it doesn't log anything so far.

I will try to capture USB packets using usbdump(8) as described in
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244845 (another bug report
about if_ure) and share everything I can.

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