[Voyage-linux] Routing throughput problem - Voyage 0.2pre4 on WRAP

Andrew Niemantsverdriet (spam-protected)
Sat Mar 18 06:09:56 HKT 2006


Would you share you interfaces file so we can have a little more
information.

On Fri, 2006-03-17 at 11:26 -0500, Edwin Whitelaw wrote:
> I've got a WRAP running 0.2pre4 with two NL2511 cards installed (wlan0, 
> wlan1).  wlan1 is in client mode and wlan0 set as an AP.
> 
> Everything associates fine and I can get consistent 4+mbs indicated by 
> iperf when talking to/from the WRAP out either interface.  However, 
> throughput *through* the system, in one radio and out the other, is 
> terrible varying from around 1 mbs down to the 100kbs range.
> 
> I'm using simple routing, no tricks.  No log entries or errors to give a 
> clue.
> 
> I've had an almost identical setup (one radio is a CM9 in 11a managed 
> mode) in the field for months and it works great.  The diagram below 
> shows my test environment.
> 
> DebianPC--copper--OrinocoAP1000/\/11b/\/\wlan1(STA)-WRAP-wlan0(AP)/\/W2K-laptop
> 172.17.1.2                       Ch 6  172.17.1.25    172.17.10.1 Ch 11
> 
> iperf from the PC to/from the WRAP is over 4mbs tested in either direction
> iperf from the laptop is also over 4mbs to/from the WRAP
> iperf from the DebianPC to the laptop is terrible :-(
> 
> Anyone have an idea about what's causing the throughput problem?
> 
> Thanks,
> 
> Edwin
> 





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