L2TP 内网穿透H3C配置参考链接:https://www.h3c.com/cn/Service/Document_Software/Document_Center/Routers/Catalog/H3C_ER_G2/ER3100G2/Configure/Typical_Configuration_Example/H3C_ER_L2TP_VPN_CE-6W101/#_Ref460923080 H3C、华为、锐捷、Tenda这些路由器,有VPN配置选项,通过弱口令或爆破进入系统可以配置VPN进行内网穿透,横向移动等