Comments on: Wifi Access Point on my desktop with USB dongles https://billauer.se/blog/2014/06/linux-realtek-hostapd/ Anything I found worthy to write down. Thu, 26 Mar 2026 13:15:15 +0000 hourly 1 http://wordpress.org/?v=3.1.2 By: eli https://billauer.se/blog/2014/06/linux-realtek-hostapd/comment-page-1/#comment-1312 eli Sun, 21 Jan 2018 07:11:27 +0000 https://billauer.se/blog/?p=4325#comment-1312 Check the CPU consumption when running an ARM-based machine. There's an issue with cache coherency on these platforms. Even though 10 Mbit/s is very low even with this in mind. On a Lenovo laptop positioned well against a dongle connected to a regular PC: Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 10.1.2.3 port 5001 connected with 10.10.10.10 port 36436 [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.2 sec 26.0 MBytes 21.5 Mbits/sec Check the CPU consumption when running an ARM-based machine. There’s an issue with cache coherency on these platforms. Even though 10 Mbit/s is very low even with this in mind.

On a Lenovo laptop positioned well against a dongle connected to a regular PC:

Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
————————————————————
[ 4] local 10.1.2.3 port 5001 connected with 10.10.10.10 port 36436
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.2 sec 26.0 MBytes 21.5 Mbits/sec

]]> By: Angel G https://billauer.se/blog/2014/06/linux-realtek-hostapd/comment-page-1/#comment-1311 Angel G Sat, 20 Jan 2018 23:52:39 +0000 https://billauer.se/blog/?p=4325#comment-1311 It'd be interesting to see iperf performance numbers. I hardly get over 10 Mbit/s between my RPI3 with USB RT5370 and Intel Centrino n1030 card.... It’d be interesting to see iperf performance numbers. I hardly get over 10 Mbit/s between my RPI3 with USB RT5370 and Intel Centrino n1030 card….

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