並前往https://jiumingshu.pixnet.net/blog/post/16978885-%E9%9B%86%E7%B7%9A%E5%99%A8%28hub%29%E8%88%87%E4%BA%A4%E6%8F%9B%E5%99%A8%28switch%29%E8%88%87%E8%B7%AF%E7%94%B1%E5%99%A8%28router%29%E7%9A%84%E5%B7%AE