In this report configuration of virtual local networks of a smaller hotel „VLAN“ will be explained and how important the role of VLAN is in such a situations, project name is „Hotel VLAN organisation“. The aim of this project is to configure the VLAN networks and video security system in the hotel. This report can be divided into two parts. First part of the report refers to a brief explanation of the Ethernet,without Ethernet virtual local networks would not exist, because they are based on one of the ethernet standards and a detailed explanation of the VLAN-s, types of VLAN and the reason why are VLAN- so special and being used in many smaller or more complex networks. In the report will be shown all the „MirkoTik“ devices used in project and software named „WinBox“ by which they are all configured with. The first part also shows configurtaion of the video system in hotel and how to place it in the seperate VLAN to restric access to the system from the unwanted people.The scond part of the report refers to configuration of VLAN networks on „MirkoTik“ devices using „WinBox“ software (VLAN, DHCP, NAT) and configuration of the video security system. At the end of the report a diagram of the network connected in the labaratory will be shown with pictures and an explanation.