Re: [Aironet] Re: 11 Mbps

[Karl M Y. <kmy...@co...>]

I have only got 5.5Mbps. my test was having 12 ftp sessions open and moving
data at once. Do you think this is a good test? How did you test?

Also, isn't the _default_ "basic rate" configurable via the
/proc/aironet/ethx/Config file ? 

On Sun, Jan 30, 2000 at 04:50:40PM +0100, Jonas Sanamon wrote:
> On Sat, 29 Jan 2000 06:40:49 -0800 air...@cs... wrote:
> 
> ---Snip---
> >The speed is 4.3 Mbps (ftp) or 4.85 Mbps (netperf -H)
> >Which is great - although not quite the 11Mbps I expected.
> >
> ---Snip---
> 
> You will _Never_ get 11 Mbps, because this is the raw data rate on the air.
> Add to this the encapsulation protocol overhead, the header being transmitted
> in "basic rate" which by default is 1 Mbps.
> Also keep in mind that we´re talking half duplex here, so add the time it
> takes for the receiving card to acknowledge the data...
> 
> Me tests indicate a maximun throughput of abt. 7.2 Mbps (using ftp), with
> basic rate set to 11 Mbps (which i think violates the IEEE 802.11 standard).
> 
> BTW, you won´t get 10 Mbps on a 10 Mps ethernet eigther in half duplex mode...
> 
> Regards,
> /Jonas
> 
> 
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