最后配置nat转换规则，进入ip firewall nat中配置action=masquerade，分别对2条线路做伪装：
/ip firewall nat
add action=masquerade chain=srcnat out-interface=wan1 add action=masquerade chain=srcnat out-interface=wan2
命令代码如下：
# 添加ADSL1的pppoe-out帐户密码并取取消自动添加网关及DNS
/interface pppoe-client add name=\password=\
/interface pppoe-client add name=\password=\
# 激活pppoe-out拨号
/interface pppoe-client enable pppoe-out1 /interface pppoe-client enable pppoe-out2
# 添加本地连接配置
/ip address add address=192.168.1.254/255.255.255.0 interface=lan1 comment=\
# 设置DNS缓存
/ip dns set primary-dns=\allow-remote-requests=yes
# 设置MSS值为1440
/ip firewall mangle add action=\disabled=no new-mss=\
# 设置input
/ip firewall mangle add action=\disabled=no in-interface=\passthrough=yes
/ip firewall mangle add action=\disabled=no in-interface=\passthrough=yes
# 设置output
/ip firewall mangle add action=\connection-mark=\passthrough=yes
/ip firewall mangle add action=\
connection-mark=\passthrough=yes
# PCC设置
/ip firewall mangle add action=\disabled=no dst-address-type=\new-connection-mark=\
per-connection-classifier=\/ip firewall mangle add action=\disabled=no dst-address-type=\new-connection-mark=\
per-connection-classifier=\
/ip firewall mangle add action=\connection-mark=\
new-routing-mark=\/ip firewall mangle add action=\connection-mark=\
new-routing-mark=\
/ip route add comment=1 disabled=no distance=1 dst-address=\gateway=\/ip route add comment=2 disabled=no distance=1 dst-address=\gateway=\
/ip route add check-gateway=\comment=\disabled=no distance=\dst-address=\
/ip route add check-gateway=\comment=\disabled=no distance=\dst-address=\
# 配置pppoe-out数据转发共享及标记
/ip firewall nat add action=\out-interface=\
/ip firewall nat add action=\out-interface=\
