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Subject: Re: [Bluez-users] How can I access Internet over PAN?
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Fri, 09 Sep 2005 01:17:09 +0200

Hi Gadfly,

> I want to access Internet through PAN . I have to BT
> modules that work propely on two ARM9 platform (linux
> 2.4.18) .And I can create a BNEP connection between
> the PANU and the NAP following the steps in the
> HOWTO-PAN. 
> 
> 1.
> on NAP side:
> pand --listen --master --role=NAP
> on PANU side:
> pand -c <bt_addr>
> 
> 2.
> on NAP side:
> ifconfig bnep0 10.0.0.1
> on PANU side:
> ifconfig bnep0 10.0.0.2
> 
> Utill now,I can ping each other!
> $ pand --show
> bnep0 4A:49:4E:00:15:2D NAP
> 
> 3.
> on NAP side:
> brctl addbr pan0
> ifconfig pan0 10.0.0.1
> brctl setfd pan0 0
> brctl stp pan0 disable
> brctl addif pan0 eth0
> 
> $ brctl show
> bridge name     bridge id        STP enabled    
> interfaces
> pan0         8000.0000c0ffee08       no          eth0
> 
> on PANU side:
> route add default gw 10.0.0.1
> 
> Then,on PANU I ping the eth0 IP address of NAP ,but it
> says on "NETDEV WATCHDOG: eth0: transmit timed out "! 
> 
> What's the problem? How can I access Internet over
> PAN??
> 
> Do I have to enable ip_forward and iptables? But the
> 2.4.18 kernel seems don't work with these! I have
> build in iptables,but I still can't use "iptables"
> command!

it is a bad idea to bridge between eth0 and pan0. Use IP forwarding and
masquerading for this.

And the 2.4.18 is not a good choice. Try to update it, because I stopped
supporting it a long time ago.

Regards

Marcel




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