bluetooth channels -- not very clear on concept

[Zhang Weiwu]

Hello. Thanks for you all helped me all the way in this week, now I have 
successfully set up a bluetooth LAN access server (on FreeBSD 5.2), I send 
everybody a bluetooth usb dodges. MAC OS notebook works fine, Windows 2000 
dials in with no problem, my FreeBSD notebook works great. Each computer 
access desktop computers in the LAN no problem, surf the Internet etc. A 
Linux user is still fighting his way dialing in, but I think he will figure 
it out very soon. It's the finest day, the sun is shining and we have 
bluetooth LAN... Thank you everyone who helped me!

On my configuration I setup LAN access server listen to channel 1, and 
everyone dials in on that channel. I'm not sure of the concept of 
"channels", sometimes when other people are connected, I use "rfcomm_pppd 
-c -C LAN -l bluetooth-client" and get "no socket available" prompt, then I 
use "rfcomm_pppd -c -C 1 -l bluetooth-client" and it works. Sometimes (not 
very frequently) iBook disconnects and cannot connect anymore unless the 
bluetooth ppp server restart. (Windows notebook no problem.) Is it because 
we are sharing channel No.1? Should I register LAN service on channel one 
through channel six? 

Please give more advices. When the network work fine and I figured out all 
the problems, I'll write a guide on my homepage. I hope it can be useful 
thanks to my mixed OS environment. and I hope you can correct my article by 
then:)

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