Subject: Re: [Bluez-users] A PAN newbie
From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
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References: <a0580c510503160953311ea8e2@mail.gmail.com>
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Date: Wed, 16 Mar 2005 23:28:59 +0100

Hi Eduardo,

>    I'm starting to use Bluez to create a PAN. I'm using the 2.6.x linux kernel.
> I did the following:
> 
> ####
> GN:
> ####
> 
> Edited the file /etc/bluetooth/hci.conf and enabled the "lm accept,
> master" option.
> 
> # hcid -f /etc/bluetooth/hci.conf
> # sdpd
> # sdptool add GN 
> # modprobe bnep
> # pand --listen --role GN -n
> 
> 
> ####
> PANU:
> ####
> 
> # hcid -f /etc/bluetooth/hci.conf
> # sdpd
> # modprobe bnep
> # pand --connect BT_ADDRESS
> 
> 
>   After the connection establishment I configured a LAN with the 10.0.0.0/24 IP
> configuration. So:
> 
> ####
> GN:
> ####
> 
> # ifconfig bnep0 10.0.0.1 netmask 255.255.255.0
> 
> ####
> PANU:
> ####
> 
> # ifconfig bnep0 10.0.0.2 netmask 255.255.255.0
> 
> 
>   At this point I could ping the two host:
> 
> ####
> GN:
> ####
> 
> # ping 10.0.0.2 # that's ok
> 
> ####
> PANU:
> ####
> 
> # ping 10.0.0.1 # that's ok
> 
> 	So, I tried to add a second PANU with:
> 
> # hcid -f /etc/bluetooth/hci.conf
> # sdpd
> # modprobe bnep
> # pand --connect BT_ADDRESS
> 
> 	It connected with the GN, but when I tried:
> # ifconfig bnep0 10.0.0.3 netmask 255.255.255.0
> # ping 10.0.0.1
> 
> 	The ping could not reach the GN host even the other
> PANU (ping 10.0.0.2). I tried to do a ping from the GN to
> the new PANU and from the old PANU to the new PANU
> and the problem kept. 

you will get a second (bnep1) interface on the master machine and thus a
bridge is needed to connect these.

Regards

Marcel


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