[MLB-WIRELESS] Having trouble setting Channels on Roamabouts in Linux RH 7.3

[Chris Drake]

Try the following

(note: use orinoco_cs driver, it is better than wvlan_cs)

Enter the following into a script, easiest way to explain how to change 
channels

WIRELESSDEV=
CHANNEL=
ESSID=
iwconfig $WIRELESSDEV mode ad-hoc channel $CHANNEL essid $ESSID
iwpriv $WIRELESSDEV force_reset set 1
echo ""
echo "Viewing information to see if it worked"
echo ""
iwconfig $WIRELESSDEV

You can only change channels if the device is in 'ad-hoc'. If you want to 
change channel for 'managed' mode read your Access point manual. 
Please note Ad-hoc requires an essid to be put in. 
The last line is to reset the card. My computer has trouble enabling the new 
information into the card and fails to accept it until you reset it with 
iwpriv. 
By-The-Way to anyone else who is reading this, in order for the cards to 
communicate they all need to be on the same channel.

Hope this helps,

Chris

On Tuesday 09 July 2002 11:18 am, you wrote:
> Have 3 cards in the Linux box want to keep 2 on the same channel (channel
> 5) and 1 on other channel (channel 2)
>
> I can set different frequency i.e. 2.422, 2.427 using iwconfig which is the
> same as channel I suppose.
>
> But if I try to use iwconfig to set the channel it does not work here is my
> syntax
>
> iwconfig eth3 channel 5
>
> error for wireless request "Set Frequency" (8b04) :
> SET failed on device eth3: Operation was not supported
>
>
> this happens on any card when I try to change the channel.
>
> Any help would be greatly appreciated.
>
> Thanks
> Mikel
>
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