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Re: misc/60038: Thinkpad X270 with Ethernet on USBC ifconfig reports wrong speed



The following reply was made to PR misc/60038; it has been noted by GNATS.

From: stephane Tranchemer <stranche%free.fr@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: misc/60038: Thinkpad X270 with Ethernet on USBC ifconfig reports
 wrong speed
Date: Wed, 25 Feb 2026 22:55:39 +0900

 Oh no, I made a mistake in my report... silly me.
 
 The iperf showed a speed of 46.3 Mbits/sec, not MBytes.
 
 Confirmed doing some file transfers, speed caps a something like 5MBytes/s.
 Using a different machine running Windows (yeah I know, don't shout) shows speeds more on par with Gigabit link.
 
 So actually USB-C Ethernet speed is capped, at least on NetBSD 10.1?
 
 


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