Alan Stern wrote: > On Fri, 14 Sep 2007, Carl Karsten wrote: > >> goal is to stress test a bad-ass wifi setup by simulating 500 laptops. >> >> Assuming I can find a 500 usb 802.11b adapters for under $1 each (might >> happen, >> they are small and obsolete.) I need a 'good' way to get them all hooked to >> a >> few laptops. >> >> 8 8 port hubs plugged into 1 8 port will give me 64 ports, but thats 9 hubs, >> or >> about 80 hubs total, or well over $1000, plus a few $100 in usb cables, plus >> a >> big mess just plugging them all in. >> >> I am hoping someone makes a big hub. 128 devices is the most I can plug >> into a >> single OS, right? > > I don't know of any big hubs, sorry. > > Be aware that currently Linux has a limit of 31 ports per hub. You can > change it easily enough: USB_MAXCHILDREN is defined in > include/linux/usb.h. > > If you think about it in terms of dollars per port, you may find that > the financial requirements are impractically high no matter how the > hubs are arranged, unforunately. Guessing at an average retail figure > like $5 per USB port plus wifi adapter, you would need a minimum of > $2500, not counting cables and other incidentals. >
yeah, I'm skeptical that any of this is going to fly, just shopping around to see. Carl K ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
