Re: usb-Atmel - Ad0-Hoc - ZyAIR B-200 - Wifi Link OK, TCP/IP Link dead

Hi again Joerg,

thx for the clarification. However - have you seen this strange behaviour 
somewhere before ?

wlan0 (WE) : Buffer for request 8B1B too small (0<14)
wlan0 (WE) : Buffer for request 8B1B too small (0<14)
wlan0 (WE) : Buffer for request 8B1B too small (0<14)

The only reference I found in google has it's Mailbox deactivated due to 
inactivity...

On Tuesday 15 July 2003 22:15, Joerg Albert wrote:
> Hi Joerg,
>
> just saw your second posting - you've got it working, kind of.
>
> Some remarks left:
> > > What are "virtual" network devices?
> >
> > OK - Virtual Network Devices. I call always Virtual Network Device a
> > device that is used to attach an existing network Device on the computer.
> > In this case - the wlan-devices you see through iwconfig are the real
> > ones - while the wlan-device you see through ifconfig is the virtual one
> > - virtually attached to the wireless device in my point of view :)
> > (e.g. I have worked with so many Intranet based stuff that I start
> > developing my own vocabulary. b.e. if you use a /32 Network to connect 2
> > sites together, I call this Network the "Transit" subnet etc.)... be
> > gentle ;) I might become too old for this stuff *lol*
>
> IMHO they are "real" network devices - they've simply got a physical
> layer different to wired Ethernet. Different collision avoidance,
> packaging etc., but they still are 802.xx devices.

Yes - they are - but they are on a different phisical layer as you said :)

> > Is there something like a packet-Sniffer that tells me what is going on
> > on the W-Lan - Wireless part ?
>
> yes. I use a Prism2 PCMCIA card with wlan-ng in monitor mode for testing
> (Prism2 USB devices should work as well) and ethereal >= 0.9.9 .
> Just call
> 	./sniff.sh wlan0 12
> 	ifconfig wlan0 up
> 	ethereal -i wlan0
> with sniff.sh as
>
> #!/bin/bash
> # file: sniff.sh
> echo "setting dev $1 to sniff on channel $2"
> wlanctl-ng $1 lnxreq_wlansniff enable=true channel=$2 \
>   prismheader=true wlanheader=true keepwepflags=true stripfcs=false
>
> This will show you all WLAN traffic on channel 12.

Yeah - between te time I wrote my Mail and you wrote yours - I found that tool 
too :) Downloaded it - but not using it yet ;)

> The only problem here is to decrypt WEP in the trace (I'm using ancient
> sta fw 0.8.3 which needs WEP support in the driver).

I'll check it out. Thx for the Hint.

Cheers

	Joerg M.
-- 
The only reward of virtue is virtue.
		-- Ralph Waldo Emerson
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