# mar/21/2017 13:02:05 by RouterOS 6.38.5
#
/interface bridge
add name=bridge4.0
add name=bridge5.0
/interface ethernet
set [ find default-name=ether4 ] master-port=ether3
/interface bridge port
add bridge=bridge5.0 interface=ether1
add bridge=bridge5.0 interface=ether3
add bridge=bridge4.0 interface=ether2
add bridge=bridge4.0 interface=ether5
/interface bridge settings
set use-ip-firewall=yes
/ip address
add address=10.61.5.8/24 interface=bridge5.0 network=10.61.5.0
add address=10.61.4.8/24 interface=bridge4.0 network=10.61.4.0
/ip dns
set allow-remote-requests=yes servers=8.8.8.8
/ip firewall mangle
add action=mark-connection chain=prerouting in-interface=bridge5.0 \
    new-connection-mark=ISP1_conn passthrough=yes
add action=mark-routing chain=prerouting connection-mark=ISP1_conn \
    new-routing-mark=to_ISP1 passthrough=yes
add action=mark-connection chain=prerouting in-interface=bridge4.0 \
    new-connection-mark=ISP2_conn passthrough=yes
add action=mark-routing chain=prerouting connection-mark=ISP2_conn \
    new-routing-mark=to_ISP2 passthrough=yes
/ip firewall nat
add action=masquerade chain=srcnat out-interface=bridge4.0 src-address=\
    10.61.5.0/24
add action=masquerade chain=srcnat out-interface=bridge5.0 src-address=\
    10.61.4.0/24
/ip route
add distance=1 gateway=10.61.5.1 routing-mark=to_ISP1
add distance=1 gateway=10.61.4.1 routing-mark=to_ISP2
add distance=1 gateway=10.61.5.1,10.61.4.1
/ip route rule
add disabled=yes dst-address=10.61.5.0/24 table=main
add disabled=yes dst-address=10.61.4.0/24 table=main
add disabled=yes src-address=10.61.5.1/32 table=to_ISP1
add disabled=yes src-address=10.61.4.1/32 table=to_ISP2
add disabled=yes routing-mark=to_ISP1 table=to_ISP1
add disabled=yes routing-mark=to_ISP2 table=to_ISP2