Wireless Management System enables service providers to build and operate wireless networks with extended coverage (e.g. networks that cover university campuses, resort areas, whole cities, or metropolitan areas). Such wireless networks provide the perfect infrastructure for offering mobile Internet access, VoIP telephony, and IPTV services to subscribers. The Wireless Management System utilizes the 2.4Ghz and the 5Ghz WiFi bands and is compatible with the 802.11 a/b/g/n/ac standards. The system provides centralized management, monitoring and provisioning of a network of wireless Nodes. It also performs roaming between network nodes, flood and broadcast prevention, and billing for ISP sessions.