[Bluez-users] PAN

[Bluez-users] PAN

[ALBERT RIBAS GUASCH]

Hello all!!

I'm sorry for my lasts postings, I didn't know how
to ask questions and I started annoying you, I hope
now I'll do it in the right way (not changing the
subject!!).

Well, I already solved the problem with rfcomm, and
now I'm trying to set up a PAN between two Belkin
USB dongles. The thing is, when I have both USB
plugged into my computer, I just can get one of them
UP RUNNING, the other one is not possible to
initialize, so it continues with DOWN, I want to
create the PAN but I only have one computer to test
it. Is this possible to do? 

Thank you very much!!

Albert



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Re: [Bluez-users] PAN

[Marcel Holtmann]

Hi Albert,

> Well, I already solved the problem with rfcomm, and
> now I'm trying to set up a PAN between two Belkin
> USB dongles. The thing is, when I have both USB
> plugged into my computer, I just can get one of them
> UP RUNNING, the other one is not possible to
> initialize, so it continues with DOWN, I want to
> create the PAN but I only have one computer to test
> it. Is this possible to do? 

getting both dongles running on the same computer is possible and you
can use up to 16 dongles, PCMCIA cards or serial adapters at the same
time. But it is not possible to create a PAN between two dongles on the
same computer. You won't see any traffic between them, because
everything goes over the loopback interface.

Regards

Marcel




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Re: [Bluez-users] PAN

[ALBERT RIBAS GUASCH]

Hi!!

I already have two computers to try the PAN on them
with two USB dongles,  but I still have some problems.

In one computer I run:

modprobe bnep
hcid
pand --listen --role GN

And in the other one:
modprobe bnep
hcid
pand --connect 00:0A:3A:50:20:3C

then, I look at ifconfig (on both sides) and the
connection is ok for a while, but when I check
ifconfig again it has disappeared!!

Then, If _I do a pand --show on the client side, I
see nothing, but on the master side, it is shown as
if the connection was still ok!

Could you help me to mantain stable this connection??

Thank you!!!!

ALBERT

----- Missatge original -----
De: Marcel Holtmann <marcel@holtmann.org>
Data: Dimarts, Abril 20, 2004 1:07 pm
Assumpte: Re: [Bluez-users] PAN

> Hi Albert,
> 
> > Well, I already solved the problem with rfcomm, and
> > now I'm trying to set up a PAN between two Belkin
> > USB dongles. The thing is, when I have both USB
> > plugged into my computer, I just can get one of them
> > UP RUNNING, the other one is not possible to
> > initialize, so it continues with DOWN, I want to
> > create the PAN but I only have one computer to test
> > it. Is this possible to do? 
> 
> getting both dongles running on the same computer
is possible and you
> can use up to 16 dongles, PCMCIA cards or serial
adapters at the same
> time. But it is not possible to create a PAN
between two dongles on 
> thesame computer. You won't see any traffic
between them, because
> everything goes over the loopback interface.
> 
> Regards
> 
> Marcel
> 
> 
> 

Re: [Bluez-users] PAN

[Marcel Holtmann]

Hi Albert,

> I already have two computers to try the PAN on them
> with two USB dongles,  but I still have some problems.
> 
> In one computer I run:
> 
> modprobe bnep
> hcid
> pand --listen --role GN
> 
> And in the other one:
> modprobe bnep
> hcid
> pand --connect 00:0A:3A:50:20:3C
> 
> then, I look at ifconfig (on both sides) and the
> connection is ok for a while, but when I check
> ifconfig again it has disappeared!!
> 
> Then, If _I do a pand --show on the client side, I
> see nothing, but on the master side, it is shown as
> if the connection was still ok!
> 
> Could you help me to mantain stable this connection??

try to use "ifconfig -a" so you also see unconfigured interfaces. Do you
have somekind of DHCP running? What Bluetoth chip is on the Belkin
dongles (check with "hciconfig -a")? Run "hcidump -w <file>" as root on
one machine and send us the binary dump file. Do you see any errors when
calling dmesg?

Regards

Marcel




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Re: [Bluez-users] PAN

[ALBERT RIBAS GUASCH]

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Hi Marcel,

If I do an hciconfig -a, i get the following info:

hci0:
Type: USB
	BD Address: 00:0A:3A:50:14:BC ACL MTU: 192:8  SCO
MTU: 64:8
	UP RUNNING PSCAN ISCAN 
	RX bytes:3963 acl:82 sco:0 events:60 errors:0
	TX bytes:3210 acl:37 sco:0 commands:19 errors:0
	Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH HOLD SNIFF PARK 
	Link mode: SLAVE ACCEPT 
	Name: 'BlueZ (0)'
	Class: 0x000100
	Service Classes: Unspecified
	Device Class: Computer, Uncategorized
	HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1)
LMP Subver: 0x20d
	Manufacturer: Cambridge Silicon Radio (10)

I don't get any errors on calling dmesg, but I have
DHCP running in eth0 , does this have any influence
on the bluetooth connection?

Now, I've managed to assign IP to bnep0 in both
machines,and when everything is stable, I can ping
from one machine to the other, but I've checked that
sometimes bnep0 gets down, I can see it with
ifconfig -a, and I can assign the IP again, but how
can I do to mantain bnep0 stable?
It is something very strange because sometimes it
works fine for five minutes, others is just a pair
of minutes, and in one of the tests it's been
working for twenty minutes!

I send you the output on hcidump -w before doing a
pair of pings.

Thank you very much!!!!

Albert


----- Missatge original -----
De: Marcel Holtmann <marcel@holtmann.org>
Data: Dimarts, Abril 27, 2004 1:58 pm
Assumpte: Re: [Bluez-users] PAN

> Hi Albert,
> 
> > I already have two computers to try the PAN on them
> > with two USB dongles,  but I still have some
problems.
> > 
> > In one computer I run:
> > 
> > modprobe bnep
> > hcid
> > pand --listen --role GN
> > 
> > And in the other one:
> > modprobe bnep
> > hcid
> > pand --connect 00:0A:3A:50:20:3C
> > 
> > then, I look at ifconfig (on both sides) and the
> > connection is ok for a while, but when I check
> > ifconfig again it has disappeared!!
> > 
> > Then, If _I do a pand --show on the client side, I
> > see nothing, but on the master side, it is shown as
> > if the connection was still ok!
> > 
> > Could you help me to mantain stable this
connection??
> 
> try to use "ifconfig -a" so you also see
unconfigured interfaces. 
> Do you
> have somekind of DHCP running? What Bluetoth chip
is on the Belkin
> dongles (check with "hciconfig -a")? Run "hcidump
-w <file>" as 
> root on
> one machine and send us the binary dump file. Do
you see any errors 
> whencalling dmesg?
> 
> Regards
> 
> Marcel
> 
> 
> 

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[Bluez-users] pan

[bees]

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Hi,All:
    I have established a PAN connection, the GN is PC(windowsXP),while the
PANU is Linux。when I connect the GN successfully, I can't "ping" each other,
why?
the GN:
IP : 192.168.0.201
netmask: 255.255.255.0
gateway: 192.168.0.201


PANU
ip: 192.168.0.205
netmask:255.255.255.0
gateway:192.168.0.201

any help will be appreciated

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