Re: [hostap] WPA/RSN IBSS scp throughput is only 1/10 of Open IBSS?

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On Mon, Mar 06, 2017 at 01:03:42PM +0800, Xuebing Wang wrote:
> I am using 2 Ubuntu PCs to build a RSN IBSS, and RSN IBSS scp throughput is
> only 1/10 of Open IBSS.
> -  Ubuntu 1: Ubuntu 14.04.5 on Lenovo Thinkpad intel wifi chip 802.11n
> (wpa_supplicant v2.1)
> -  Ubuntu 2: Ubuntu 16.04.1 on desktop PC with ath9k (wpa_supplicant v2.4)

> My conf file is as below. ipv6 scp throughput is about 70KB/s.

> After change to (key_mgmt=NONE) (from key_mgmt=WPA-PSK), ipv6 scp throughput
> is about 750KB/s (10 times higher).
> 
> Is this expected? Should I try the latest wpa_supplicant?
> 
> I first saw this on my OpenWRT board (wpa_supplicant v2.5-devel), so
> wpa_supplicant version seems not directly relevant?

wpa_supplicant is not involved in actual transmission and encryption of
the Data frames, so it is unlikely to make any difference which version
is used. The throughput results are dependent on the used hardware and
driver, so this would be a question to the driver/hardware vendors
rather than this mailing list.

-- 
Jouni Malinen                                            PGP id EFC895FA

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