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	Halftux	2013-07-17 , 18:06
	Posts: 878 \| Thanked: 2,535 times \| Joined on Feb 2012 @ Germany	#6

I hope I did understand you right.

Here a small example that it looks like your rasperry pi is connected to the wlan:

Requirements:
N900 with iptables (powerkernel)

Assuming your networks are:

Wlan 192.168.1.x
USB 192.168.2.x

PC in wlan network 192.168.1.10
N900 in wlan 192.168.1.14 and usblan 192.168.2.15
raspberry pi (RPI) in usblan 192.168.2.14

PC

Code:

route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.1.14 dev wlan0

N900

Code:

route delete default

iptables -t nat -A PREROUTING -s 192.168.1.0/16 -i wlan0 -j DNAT --to-destination 192.168.2.15

iptables -t nat -A PREROUTING -s 192.168.2.0/16 -i usb0 -j DNAT --to-destination 192.168.1.14

When you want to use only the local lan (no internet), you don't need the iptable rules. Instead you can activate forwarding:
echo 1 > /proc/sys/net/ipv4/ip_forwarding

RPI

Code:

route add default gw 192.168.2.15 dev usb0

When you need internet don't forget to add a DNS.

__________________
N900: gpxsee, fahrplan, gpscon, genwall, qrcode, hextool, libjansson4, libevent-2.0-5, cnee, psi-plus, mihphoto, shc

Maemo flasher/rescue live image.
Fremantle Harmattan SDK VM

Last edited by Halftux; 2013-07-17 at 18:35. Reason: IP digit error

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