On Sunday 25 April 2010 12:02:08 Adam wrote: > >> Downloads over my 802.1g WLAN seem to always be at either of these two > >> speeds. Billon ADSL+WLAN router one end, Intel 5100 on the laptop. Any > >> ideas on how i stop it falling back to the slower speed? > > > > look for a not contested channel? > > I had assumed that congestion would reveal itself as varying speeds, as > expected with multiple users on a shared medium, not step jumps between > the two speeds that i'm seeing... Am I wrong?
Check that you have disabled 802.11b on your router, or you may find that an adjacent client who's running 802.11b will drag your router down to 11Mb/s max (the actual throughput will be lower). While you're experiencing the lower downloads you can run iwlist <iface> scan to see the speed at which your NIC is connecting at. If it is 802.11g it'll say so: Bit Rates:54 Mb/s Extra: Rates (Mb/s): 1 2 5.5 6 9 11 12 18 24 36 48 54 Also, iwconfig <iface> will show you IEEE 802.11g or IEEE 802.11b/g accordingly. -- Regards, Mick
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