系统全局架构与网络拓扑规划
On the surface, it's rigorous VLAN isolation and dual-layer routing; behind the scenes, it's all metaphysical forwarding and untraceable DNS loops.
表面上是严谨的 VLAN 隔离与双层路由，背地里全是玄学转发和查不出原因的 DNS 环路。