Low speed for Atheros AR8151

by Ashley Guest   Last Updated December 06, 2018 15:02 PM

I hope someone can help! i've just cat6 cable through my house and hardwired my HTPC, I decided to do a quick speed test and was only getting ~91 Mb/s both devices have GB ports so i was expecting something higher. The HTPC runs Ubuntu 16.04.5 LTS (GNU/Linux 4.4.0-116-generic x86_64).

i did a:


and got:

02:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet (rev c0)

and with

sudo ethtool enp2s0 | grep Speed

and got back: Speed: 100Mb/s

i found this: https://ubuntuforums.org/showthread.php?t=1677122, but when i follow the instructions i get:

Makefile:173: *** *** Aborting the build. *** This driver is not supported on kernel versions older than 2.4.0. Stop.

which i guess is fair enough as the post is pretty old, what are my options get a faster speed? am i doing something wrong?

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