This book shows how to build and analyse wireless networks, exploring how an enterprise wireless network with the highest levels of security can be built. The book also explains how to configure wireless network equipment in order implement various network architectures and levels of security. The contents describe how to set up every component of the network, from the client supplicant and the access-points, through to the supporting servers (e.g. RADIUS). Much of the infrastructure is based upon Linux and open source software, but the book also addresses configuration of equipment from three of the largest wireless network equipment providers: Cisco, Alacatel-Lucent (Aruba) and Meru. Furthermore, the book contains coverage of more theoretical topics on performance analysis and monitoring wireless LANs, including the new 802.11n standard.