This is my route table:

Destination Gateway Genmask Flags Metric Ref Use Iface
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0
192.168.3.13 * 255.255.255.255 UH 0 0 0 tun0
192.168.3.0 192.168.3.13 255.255.255.0 UG 0 0 0 tun0
192.168.2.0 * 255.255.255.0 U 0 0 0 br0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default 10.64.64.64 0.0.0.0 UG 0 0 0 ppp0

My WL500 pings 192.168.3.0 network but the clients that connect to WL500 through the br0 interface can't. I think that the problem is that tun0 is a WAN interface so it's blocked. How can I change this to a LAN interface?