root@TRON:~# 
root@TRON:~# iptables -t nat -vnL PREROUTING
Chain PREROUTING (policy ACCEPT 393 packets, 58682 bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 DNAT       icmp --  *      *       0.0.0.0/0            192.168.0.2         to:10.1.1.1 
    0     0 DNAT       tcp  --  *      *       0.0.0.0/0            192.168.0.2         tcp dpt:8080 to:10.1.1.50:8080 
    0     0 DNAT       udp  --  *      *       0.0.0.0/0            192.168.0.2         udp dpt:8080 to:10.1.1.50:8080 
    0     0 DNAT       tcp  --  *      *       0.0.0.0/0            192.168.0.2         tcp dpt:8081 to:10.1.1.50:8081 
    0     0 DNAT       udp  --  *      *       0.0.0.0/0            192.168.0.2         udp dpt:8081 to:10.1.1.50:8081 
  185 22845 TRIGGER    0    --  *      *       0.0.0.0/0            192.168.0.2         TRIGGER type:dnat match:0 relate:0 
root@TRON:~# 
root@TRON:~# 
root@TRON:~# 
root@TRON:~# 
root@TRON:~# iptables -vnL FORWARD
Chain FORWARD (policy ACCEPT 18 packets, 720 bytes)
 pkts bytes target     prot opt in     out     source               destination         
  963  360K ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED 
   59  7584 lan2wan    0    --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     0    --  br0    br0     0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  *      *       0.0.0.0/0            10.1.1.50           tcp dpt:8080 
    0     0 ACCEPT     udp  --  *      *       0.0.0.0/0            10.1.1.50           udp dpt:8080 
    0     0 ACCEPT     tcp  --  *      *       0.0.0.0/0            10.1.1.50           tcp dpt:8081 
    0     0 ACCEPT     udp  --  *      *       0.0.0.0/0            10.1.1.50           udp dpt:8081 
    0     0 TRIGGER    0    --  vlan2  br0     0.0.0.0/0            0.0.0.0/0           TRIGGER type:in match:0 relate:0 
   59  7584 trigger_out  0    --  br0    *       0.0.0.0/0            0.0.0.0/0           
   41  6864 ACCEPT     0    --  br0    *       0.0.0.0/0            0.0.0.0/0           state NEW 
root@TRON:~#