OpenWRT + OpenVPN problem

Hello friends! I have a problem. I have a OpenWRT router with a 3g dongle, and I want to use OpenVPN. When the VPN is up, I can ping from the router, but from the other clients I can't even access the internet. The routes

Without VPN (working OK):

 route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         10.64.64.64     0.0.0.0         UG    0      0        0 3g-3g
10.64.64.64     *               255.255.255.255 UH    0      0        0 3g-3g
192.168.5.0     *               255.255.255.0   U     0      0        0 br-lan

With OpenVPN

 route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         10.2.3.9        128.0.0.0       UG    0      0        0 tun0
default         10.64.64.64     0.0.0.0         UG    0      0        0 3g-3g
10.2.3.1        10.2.3.9        255.255.255.255 UGH   0      0        0 tun0
10.2.3.9        *               255.255.255.255 UH    0      0        0 tun0
10.64.64.64     *               255.255.255.255 UH    0      0        0 3g-3g
128.0.0.0       10.2.3.9        128.0.0.0       UG    0      0        0 tun0
187.176.xxx.xxx    10.64.64.64     255.255.255.255 UGH   0      0        0 3g-3g
192.168.5.0     *               255.255.255.0   U     0      0        0 br-lan

Where 10.2.3.1 is the VPN IP (the internal one).

Any clue on how to fix it? Thanks!

http://ift.tt/1dvHQ0Z