Re: Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread Stefan Sperling
On Wed, Jan 14, 2015 at 08:24:02PM +, Christian Weisgerber wrote: > On 2015-01-14, Stefan Sperling wrote: > > > 15Mbit/s sounds as if it maxes out at 18Mbit/s (the highest QPSK rate) > > and never switches to OFDM rates (24 - 54 Mbit/s). > > IEEE 802.11 still uses a shared medium and CSMA/CA

Re: Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread jkusn...@gmail.com
2015-01-14 17:41 GMT+01:00 Stefan Sperling > OpenBSD's implementation of rate adaptation is basic. It's possible > that you'll see the AP sending data frames at less than 54Mbit/s under > normal conditions. You'll probably see better results with other OSs > since they have better tuned wifi stac

Re: Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread Christian Weisgerber
On 2015-01-14, Stefan Sperling wrote: > 15Mbit/s sounds as if it maxes out at 18Mbit/s (the highest QPSK rate) > and never switches to OFDM rates (24 - 54 Mbit/s). IEEE 802.11 still uses a shared medium and CSMA/CA, right? (Wikipedia says so.) So the transfer between two nodes is effectively h

Re: Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread Christian Weisgerber
On 2015-01-14, Ján Kušniar wrote: > Even though it's running 54Mbit 802.11g, I can't get over ~15Mbit/s. Uh, what figures do you expect? Those "54 Mbit/s" are raw modem speed. You'll never get throughput anywhere close to that. I get ~20 Mbit/s between my OpenBSD laptop with iwn(4) and a D-Li

Re: Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread Stefan Sperling
On Wed, Jan 14, 2015 at 04:40:00PM +0100, Ján Kušniar wrote: > Hello, > > I've set up a small wifi AP using alix 3d2 computer board and Mikrotik > R52nM mini PCI wireless adapter. Works great except for wireless > throughput. It's running 5.6 stable, usual AP setup (wifi adapter in > hostap mode,

Alix3d2 + AR9280 wireless access point performance

2015-01-14 Thread Ján Kušniar
Hello, I've set up a small wifi AP using alix 3d2 computer board and Mikrotik R52nM mini PCI wireless adapter. Works great except for wireless throughput. It's running 5.6 stable, usual AP setup (wifi adapter in hostap mode, dhcpd, nat in pf). No sysctls or anything not mentioned in FAQ was modifi