# 3.11.2.1.3&6&7 wan pc-->lan pc <h3>硬體環境</h3> 準備一台switch接DUT WAN port & mikrotik RA port & WAN PC(有cola soft要送封包的那台) <h3>port forward</h3> LAN PC port全開 ![image](https://hackmd.io/_uploads/B111mEm2a.png) <h3>Colasoft</h3> 題目要求(a_1檔) ![image](https://hackmd.io/_uploads/H15RgEmha.png) * Eth 2 Dst Address改成DUT eth0 MAC ![image](https://hackmd.io/_uploads/HJlTgN7n6.png) * IPv6改成DUT的v6 IP ![image](https://hackmd.io/_uploads/ByXWbV72a.png) * IPv4 &IPv6照題目要求 ![image](https://hackmd.io/_uploads/HytO-Em36.png) * Send ![image](https://hackmd.io/_uploads/BkJ0W473T.png) --- 3.11.2.1.3 4over6 filter splithorizon 1(LAN不能收到) 4over6 filter splithorizon 0(LAN收到) 3.11.2.1.6 4over6 filter encap_src_check 1(pattern1送pattern2不送) 4over6 filter encap_src_check 0(都送) 3.11.2.1.7 4over6 filter in6src_gw_only 1(pattern1送pattern2不送) 4over6 filter in6src_gw_only 0(都送)