All materials are taken from the site acerfans. ru. A description of the network at a more or less deep level will take more than one page. Hundreds of books, publications, FAQ. In this article, I will try to explain the operation of the network at the level that is necessary for building and configuring a home network. Naturally, a lot of things will just be missed or greatly simplified .. The network's work is described in more detail in the books of Olifer, as well as in the first and second semesters of CCNA. If you have any questions (and you will have them), we will ask them in this section of the forum ..