WiFi performance

Liam Proven lproven at gmail.com
Sat Jun 20 14:34:06 UTC 2015


On 20 June 2015 at 08:58, Petter Adsen <petter at synth.no> wrote:
> I've been given an HP G62 laptop from a family friend, that I'm trying
> to get up and running with vivid instead of the Windows install that it
> came with.
>
> lspci gives me this on the WiFi interface:
> 02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 [Condor Peak]
>
> The problem is that I'm getting absolutely abysmal performance. The
> router it's connected to is a TP-Link Archer C5 running OpenWRT, and
> according to the OpenWRT webui, it opens a connection with a bitrate of
> 150Mbps.
>
> On average, I get about 2Mbps when downloading or copying files over
> NFS. Running iperf3, I get an average of 11Mbps over TCP, and 27Mbps
> over UDP. This is from another vivid box, connected to the router via
> gigabit Ethernet.
>
> Any suggestions on things I could try to get better performance, apart
> from replacing the WiFi card?


First steps in isolating the problem:

[1] Try on a different WLAN

[2] Try with a cable.

-- 
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