---
# System prepended metadata

title: 3.11.2.1.3
tags: [E2.4, filter]

---

# 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)