ros多线负载脚本

                                     ros 多线pcc负载均衡脚本
#注意ros里面区分大小写的，意义不同,实测版本为ros3.30 ,宽带全部为电信。日期：2012.1.3
#-----------------------------参数配置------------------------
:global n 6
:global LanIp 192.168.0.1
#n--多少条外线,“LanIp”---内网ip
#-----------------------------参数配置完------------------------
/ip address 
add address=($LanIp . "/" . "255.255.255.0") interface=lan comment=lan 
/ip dns set primary-dns=202.96.128.86 secondary-dns=202.96.134.133 allow-remote-requests=yes cache-size=2048 cache-max-ttl=1w max-udp-packet-size=512
/ip pool 
add name=PPOE ranges=10.10.10.50-10.10.10.80
/ppp profile 
add name="pppoe_profile" local-address=PPOE remote-address=PPOE use-compression=default use-vj-compression=default use-encryption=default only-one=yes change-tcp-mss=default dns-server=202.96.134.133,202.96.128.16
/interface pppoe-client
:for i from 1 to $n do={add name=("pppoe-out" . $i) max-mtu=1440 max-mru=1440 interface=("wan" . $i) user=("user". $i) password=("password". $i) profile=default service-name="" ac-name="" add-default-route=no dial-on-demand=no use-peer-dns=no allow=pap,chap,mschap1,mschap2 disable=no} 
/ip firewall mangle
add action=change-mss chain=forward comment="" disabled=no new-mss=1440 protocol=tcp tcp-flags=syn
:for i from 1 to $n do={add action=mark-connection chain=input in-interface=("pppoe-out" . $i) comment="" disabled=no  new-connection-mark=("pppoe-out" . $i . "_conn") passthrough=yes}
:for i from 1 to $n do={add action=mark-routing chain=output comment="" connection-mark=("pppoe-out" . $i . "_conn") disabled=no new-routing-mark=(to_pppoe-out . $i) passthrough=yes}
:for i from 1 to $n do={add action=mark-connection chain=prerouting comment="" disabled=no dst-address-type=!local in-interface=lan new-connection-mark=("pppoe-out" . $i . "_conn")  passthrough=yes per-connection-classifier=("both-addresses-and-ports:" . ($n). "/" . ($i-1)) src-address=192.168.0.0/24}
:for i from 1 to $n do={add action=mark-routing chain=prerouting comment="" connection-mark=("pppoe-out" . $i . "_conn") disabled=no in-interface=lan new-routing-mark=(to_pppoe-out . $i) passthrough=yes src-address=192.168.0.0/24}
/ip route
:for i from 1 to $n do={add comment=("adsl" . $i) disabled=no distance=1 dst-address=0.0.0.0/0 gateway=("pppoe-out" . $i) routing-mark=(to_pppoe-out . $i) check-gateway=ping}
:for i from 1 to $n do={add check-gateway=ping comment=("pppoe-out" . $i) disabled=no distance=10 dst-address=0.0.0.0/0 gateway=("pppoe-out" . $i)}
/ip firewall nat
:for i from 1 to $n do={add action=masquerade chain=srcnat comment=("adsl" . $i) disabled=no out-interface=("pppoe-out" . $i)}