This information from the Huawei Enterprise Technology Exchange community about the computer network is very good, recommended to everyone!
The following is a link to a series of articles:
"Big Pulpit 01" Using TCP/IP model to understand data communication process
Http://support.huawei.com/ecommunity/bbs/10217323.html
"Number of Big pulpit 02" IP subnetting (VLSM)
Http://support.huawei.com/ecommunity/bbs/10217327.html
"Number of Big pulpit 03" IP Routing Basics
Http://support.huawei.com/ecommunity/bbs/10217335.html
"Number of big Pulpit 04" Static Route Rollup (Route aggregation)
Http://support.huawei.com/ecommunity/bbs/10217501.html
The longest matching principle of route selection for the "number of big pulpit 05"
Http://support.huawei.com/ecommunity/bbs/10217509.html
"The Big pulpit 06" Overview of Dynamic routing protocols and Rip
Http://support.huawei.com/ecommunity/bbs/10217895.html
Introduction and configuration of the "number of big Pulpit 07" OSPF protocol (above)
Http://support.huawei.com/ecommunity/bbs/10217901.html
Introduction and configuration of the "number of big Pulpit 08" OSPF Protocol (next)
Http://support.huawei.com/ecommunity/bbs/10217905.html
"Number of big Pulpit 09" Two-layer exchange basis
Http://support.huawei.com/ecommunity/bbs/10218775.html
"Number of big pulpit 10" VLAN, Trunk concept and configuration
Http://support.huawei.com/ecommunity/bbs/10218783.html
Introduction to Computer network tutorial