routeros双ADSL负载平衡脚本

# may/25/2013 09:26:48 by RouterOS 5.20

/ip firewall mangle
add action=mark-connection chain=input disabled=no in-interface=pppoe-out1 new-connection-mark=wan1_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=pppoe-out2 new-connection-mark=wan2_conn passthrough=yes
add action=mark-routing chain=output connection-mark=wan1_conn disabled=no new-routing-mark=to_wan1 passthrough=yes
add action=mark-routing chain=output connection-mark=wan2_conn disabled=no new-routing-mark=to_wan2 passthrough=yes
add action=mark-connection chain=prerouting disabled=no dst-address-type=!local in-interface=wan1 new-connection-mark=wan1_conn passthrough=yes \
    per-connection-classifier=both-addresses-and-ports:2/0
add action=mark-connection chain=prerouting disabled=no dst-address-type=!local in-interface=wan1 new-connection-mark=wan2_conn passthrough=yes \
    per-connection-classifier=both-addresses-and-ports:2/1
add action=mark-connection chain=prerouting disabled=no dst-address-type=!local in-interface=wan2 new-connection-mark=wan1_conn passthrough=yes \
    per-connection-classifier=both-addresses-and-ports:2/0
add action=mark-connection chain=prerouting disabled=no dst-address-type=!local in-interface=wan2 new-connection-mark=wan2_conn passthrough=yes \
    per-connection-classifier=both-addresses-and-ports:2/1
add action=mark-routing chain=prerouting connection-mark=wan1_conn disabled=no in-interface=wan1 new-routing-mark=to_wan1 passthrough=yes
add action=mark-routing chain=prerouting connection-mark=wan2_conn disabled=no in-interface=wan1 new-routing-mark=to_wan2 passthrough=yes
add action=mark-routing chain=prerouting connection-mark=wan1_conn disabled=no in-interface=wan2 new-routing-mark=to_wan1 passthrough=yes
add action=mark-routing chain=prerouting connection-mark=wan2_conn disabled=no in-interface=wan2 new-routing-mark=to_wan2 passthrough=yes
	
/ip firewall nat
add action=masquerade chain=srcnat disabled=no out-interface=pppoe-out1
add action=masquerade chain=srcnat disabled=no out-interface=pppoe-out2

/ip route
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=pppoe-out1 routing-mark=to_wan1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=pppoe-out2 routing-mark=to_wan2 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=pppoe-out1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=2 dst-address=0.0.0.0/0 gateway=pppoe-out2 scope=30 target-scope=10

这个脚本是从老外Alex复制来的。

亲证好用，他原来是4线的。

可以往上加，修改2/0 2/1 为4/0 4/1 4/2 4/3网银也好用，并且下载带宽可以叠加。

interfaces里，拨号端是 wan1 wan2； 

接局域网是 lanPPPOE拨号是 pppoe-out1和pppoe-out2，使用这个默认名字比较好。

这几个符号改来改去，比较容易混淆。

网卡界面和拨号需要手动添加一下，主要是mangle和route两部分。

复制后，在new terminal里面粘贴就可以了。