default gateway: 172.17.2.52 | | GigEth1 GigEth2 [ DNS / DHCP server: 172.17.2.53 ]---+-----------[ MAP-BR ] ------+ | | | | | LAN WAN pppoe | [openwrt-build 192.168.1.100] ---- [tl-wdr4300] ------[ agg-rtr ]-+ GigEth1 GigEth2