(The full scan version Cui Beiliang (CCIE) edited and published this book by Electronic Industry Publishing House on the outstanding problems of the current network (such as bandwidth control, service priority, BT download, QQ chat, authentication and billing, network security, remote interconnection and wireless access, etc. ), starting from the actual needs of network management, and giving various solutions. The whole and systematic introduction of RouterOS in the network construction and management of various applications in the book. The book consists of seventeen chapters, including RouterOS installation, command line introduction, NAT configuration, routing principle and configuration, VLAN differentiation of switches and trunk routing, PPPoE server setup and billing management, rate control and QoS implementation, firewall configuration and application, user access logging, multi-exit redundancy and load balancing, wireless network configuration, user management, introduction and application of various protocols (including VRRP, EoIP, RIP, OSPF, ARP, NTP, SNMP), bandwidth Quiz, network monitoring and network security, etc. Chapter 17 introduces the deployment and use of SolarWinds network management software in large-scale networks, making complex network management clear at a glance, intuitive and efficient. This book is suitable for all network management personnel, especially for network management personnel in small and medium-sized enterprises, Internet cafes, hotels and operators; it is especially for network enthusiasts who want to master network technology, improve their skills, and can use them for practice. It is a rare test guide book.)