routerboard rb450g gateway+loadbalancing
pc x86 mikrotik level 6 =hotspot + usermanager
pc x86 squid+thundercache
rb450g
ethernet1=internet optical fibre 10mb static dst addess =118.94.123.12/24 (118.94.123.13to15) provide by isp for example
ethernet2=internet adsl 2mb failover and route skype and some sites=192.168.0.2/24
ethernet3=squid box
ethernet4=x86 pc mikrotik level6
ethernet5=none
bridge1=port =ethernet3+ethernet4=192.168.200.1/24
x86 mikrotik pc
ethernet1=gateway=192.168.200.2/24
ethernet2=squid box=192.168.240.2/24
ethernet3=local=10.5.60.1/24 hotspot+pppoe
port forwarding on rg450g gateway
ip firewall nat
add chain=dstnat action=dst-nat to-addresses=192.168.200.3 to-ports=82
protocol=tcp dst-address=118.94.123.12 dst-port=5800 (choose port not use)
usermanager+webfig= http://192.168.200.2 webfig http://192.168.200.2/userman on local network
add chain=dstnat action=dst-nat to addresses=192.168.200.2 to-port=80
protocol=tcp dst-addresses=118.94.123.12 dst-port=8290 (choose port not use)