Wireless Network Access
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Wireless Network VLANS - How to Implement Wireless VLANS
The wireless access points operate as bridges with no routing defined anywhere on the wireless network segment. All VLANs are defined on the wired switches and mapped with specific SSIDs at each access point. The maximum number of VLANs and SSIDs per access point that can be mapped is 16. The wireless client attaches or associates with a specific SSID which in turn will map client with membership in a specific VLAN.
There is an option to configure the maximum number of wireless client associations allowed per SSID improving network performance and availability. The access point is assigned a primary SSID with the 802.11 standard, advertising it with beacons on that segment to all wireless clients. There is a guest SSID defined that companies should define a VLAN policy for that group or with access control list security policies denying access to the corporate network. Guest traffic for the most part should be directed across the internet unless they have specific network rights.
VLAN membership of each wireless client is assigned considering what servers are most accessed, specific company department and security rights. Device types such as a scanner with less security won't be assigned the same VLAN as an engineering group with sensitive information and 802.1x security.
VLAN 1 is the default native VLAN and doesn't tag traffic. The native VLAN number assigned on the wired switches must match the VLAN assigned at all attached access points on that network segment. The native VLAN is sometimes assigned to network management traffic or the RADIUS server. Companies will implement access control lists at each network switch to filter traffic securing the management VLAN traffic. With most designs the native VLAN isn't mapped to a SSID except with connecting root bridges and non root bridges. Define an infrastructure SSID for infrastructure devices such as a repeater or workgroup hub and map the native VLAN allowing those devices to associate with non root bridge and root bridges.
Wireless clients configured with 802.1x authentication will have a RADIUS server configured with mapped SSIDs per wireless client. This is called RADIUS SSID control. The server sends the list to the access point where the client is allowed to associate with an access point should they be a member of one or several SSIDs. RADIUS VLAN control assigns each client with a specific VLAN and default SSID. The mapping can be overridden with the RADIUS sever configuration. During authentication the wireless client is assigned to that specific VLAN. The employee however can't be a member of any wired VLAN except that. Policy group filters or class map policies can be defined per VLAN. You should deny all infrastructure devices to be members of any non-infrastructure SSID. Wireless clients will see all broadcasts and multicasts of all mapped VLANs unless 802.1x per VLAN encryption is implemented with TKIP, MIC and broadcast keys.
Trunking is implemented to switch traffic between network segments that have multiple VLANs defined. Each VLAN defines a separate broadcast domain comprised of a group of employees with a company department. The trunk is a physical switch port interface with defined Ethernet subinterfaces configured with 802.1q or ISL encapsulation. Those packets are tagged with specific VLAN number before it is sent between access point and wired network switch. The access point Ethernet interface is configured as a hybrid trunk. Access control lists should be defined at the wired switch Ethernet interface that drops packets from VLANs not defined with any SSID.
VLAN 100 = 192.168.37.x - SSID = Engineers
VLAN 200 = 192.168.38.x - SSID = Guest
VLAN 300 = 192.168.39.x - SSID = Sales
Shaun Hummel is the author of Cisco Wireless Network Design Guide and has a web site focused on information technology job search solutions and online technical interviews.
http://www.networkjobsolutions.com
About the Author
Shaun Hummel, CCNP, is a Senior Network Engineer with 11 years experience in enterprise network planning, design, and implementation. He has worked for various private and public companies in Canada and the United States improving infrastructure, security, and management. He has written Network Planning and Design Guide, Cisco Wireless Network Design Guide and Network Assessment Guide.
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TiVo Wireless-N Network Adapter $89.99 Use this network adapter to create a wireless-N connection between your TiVo DVR and the Internet via your home wireless network to receive fast access to on-demand movies, Web videos and music. |
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Outdoor Wireless Access Point $69.99 The TL-WA5210G 2.4GHz High Power Wireless Outdoor CPE is dedicated to WISP CPE solution and long distance wireless network solutions. It integrates the functions of a Wireless |
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TRENDnet Wireless-N Access Point $63.99 This wireless access point allows you to create a scalable high-speed Wireless-N network or connect a wired device to an existing wireless network. MIMO technology increases wireless coverage, and WPA/WPA2 encryption protects your wireless network. |
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Patras Wireless Network $63.73 High Quality Content by WIKIPEDIA articles Patras Wireless Network (PWN) is, historically, the first citywide, wireless community network in Greece. It is run and maintained by the users of the network. It serves 150 people, covering a mountainous area of 60 km .Patras Wireless Network was established in 2001 after a company of 4 friends put together the money to purchase an Orinoco Wireless Access Point. The AP was installed on a TV tower in Aroe which has a vantage point of the whole city of Patras. The first private, citywide wireless connection in Greece was established then. Author: Surhone, Lambert M./ Tennoe, Mariam T./ Henssonow, Susan F. Binding Type: Paperback Number of Pages: 68 Publication Date: 2010/11/20 Language: English Dimensions: 6.00 x 9.02 x 0.16 inches |
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Municipal Wireless Network $82.85 Municipal wireless network (Municipal WiFi, Muni WiFi or MuniFi) is the concept of turning an entire city into a Wireless Access Zone (WAZ), with the ultimate goal of making wireless access to the Internet a universal service. This is usually done by providing municipal broadband via WiFi to large parts or all of a municipal area by deploying a wireless mesh network. The typical deployment design uses hundreds of routers deployed outdoors, often on utility poles. The operator of the network acts as a wireless internet service provider. Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 114 Publication Date: 2010/04/19 Language: English Dimensions: 5.98 x 9.01 x 0.27 inches |
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Guide to Wireless Network Security $134.75 With the rapid deployment of wireless networks in business environments, IT professionals must implement security mechanisms that are equivalent to those existing today for wire-based networks. This volume is an authoritative, clearly-presented guide to key foundation topics and technology frameworks for designing and maintaining secure, reliable operations. From basic concepts to designing principles to deployment, all critical concepts and phases are explained in detail. The book also includes coverage of wireless security testing techniques and intrusion prevention techniques. Through extensive hands-on examples, Guide to Wireless Network Security demonstrates how to install, configure and troubleshoot firewalls and wireless network security applications; evaluate, implement and manage wireless secure remote access technologies; and deploy a variety of Virtual Private Networks, intrusion detection systems and intrusion prevention systems, in conjunction with information warfare countermeasures. |
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Wireless Multimedia Network Technologies $364.83 Wireless Multimedia Network Technologies addresses emerging concepts for developing third generation wireless systems, and covers both theoretically and technologically feasible improvements. Internationallyrecognized specialists have contributed originals chapters on several core wireless technologies including intelligent and flexible radio access, wireless mobile, ATM networks, channel modeling and internet services, cluster mobile switching centers, and service control quality. Wireless Multimedia Network Technologies is essential reading for professionals, engineers and scientists working in these areas. Author: Ganesh, Rajamani/ Pahlavan, Kaveh/ Zvonar, Zoran Series Title: Kluwer International Series in Engineering Computer Science Series Number: 524 Binding Type: Hardcover Number of Pages: 388 Publication Date: 1999/09/30 Language: English Dimensions: 9.46 x 6.44 x 1.05 inches |
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Broadband Fixed Wireless Access $129 Presents an overview of the emerging WiMAX technology. This volume demystifies the technology and provides technical exposure to the various system trade-offs. It covers a range of topics, from network deployment to implementation of terminals. It is useful for network architects and developers of broadband fixed wireless access products. |
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Intellinet Wireless 300N Access Point - Wireless Access Point. Each $53.33 Manufacturer: Intellinet. Each. The Intellinet network solutions Wireless 300N Access Point serves multiple purposes - an access point for your wireless network supporting multiple SSIDs and tagged VLANs, a wireless bridge for point-to-point connections o |
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Intellinet Wireless 300N PoE Access Point - Wireless Access Point. Each $60.5 Manufacturer: Intellinet. Each. The Intellinet network solutions Wireless 300N Access Point serves multiple purposes - an access point for your wireless network supporting multiple SSIDs and tagged VLANs, a wireless bridge for point-to-point connections o |
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Wireless Network Administration: A Beginner's Guide $10.58 Learn the essentials of wireless networking Configure, manage, and secure wireless networks using the step-by-step details in this practical resource. "Wireless Network Administration: A Beginner's Guide" shows you how to work with the latest wireless networking standards, including the 802.11x family, on Windows, Mac, and Linux platforms. The book covers wireless network planning, design, hardware, services, protocols, device configuration, security, troubleshooting, and more. This hands-on guide will get you started administering wireless networks in no time. " Get details on regulatory and technical organizations Learn about different wireless standards and the basics of RF technologies Understand and determine client-side hardware requirements, including chipsets and various wireless interfaces Select infrastructure-side wireless hardware, such as antennas, wireless access points (WAPs), residential gateways, switches/controllers, routers, and bridges Learn about WLANs, WWANs, WMANs, and WPANs Work with standard wireless network protocols--TCP/IP (IPv4 and IPv6) Understand DNS, DHCP, and other supporting infrastructure services Secure wireless networks using cryptography Configure infrastructure devices, including a wireless access point device and wireless network switches and controllers Configure and manage wireless Microsoft Windows, Mac OS X, and Linux clients Plan, design, survey, deploy, and troubleshoot your wireless network" |
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How to Cheat at Securing a Wireless Network $39.95 Wireless connectivity is now a reality in most businesses. Yet by its nature, wireless networks are the most difficult to secure and are often the favorite target of intruders. This book provides the busy network administrator with best-practice solutions to securing the wireless network With the increased demand for mobile connectivity and the decrease in cost and in the time required for installation, wireless network connections will make up 20% of all corporate network connections by the end of 2006. With this increase in usage comes a commensurate increase in the network's vulnerability to intrusion. This book provides the typical network administrator with the basic tools and instruction they need to maintain a secure network while allowing acceptable access to users. A practical product and technology specific guideline to securing a wireless networks for the busy System Administrator Takes a simplified multi-layered approach into easily deployed plans for a straight forward understanding Does not bog you down with history, but offers practical useful information for today |
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Wireless Sensor Network Systems $95 This first-of-its-kind resource offers you an in-depth understanding of wireless sensor networks from a systems perspective. The book describes and categorizes the technological trends, leading applications, state-of-the-art platform developments, future trends, and challenges of sensor networks. You find critical coverage of network protocols and mechanisms for node localization, time synchronization, media access control, topology creation and management, routing, transport, storage, collaborative signal processing, security and fault tolerance, and node deployment in large-scale sensor networks. |
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TRENDnet TPL310AP Network 200Mbps Powerline AV Wireless N Access Point $136.89 The 200Mbps Powerline AV Wireless N Access Point model TPL310AP allows users to create a wireless network from any outlet on their electrical system. Connect one adapter to your network and plug in up to 15 other adapters for high speed network access. Connect adapters quickly using the convenient onetouch Sync button. Advanced AES encryption provides optimum Powerline security LED displays convey device status for easy troubleshooting and Quality of Service technology prioritizes video audio and online gaming. The built in 300Mbps wireless n access point offers Access Point Client WDS and Mesh mode functionality. Onetouch WiFi Protected Setup (WPS) connects wireless clients quickly. Advanced features include 4 SSIDs different encryption for each SSID WMM Quality of Service data prioritization WPA2RADIUS encryption MAC Access Control and Spanning Tree support. 1 x 10/100Mbps AutoMDIX Ethernet port. Connect one 200Mbps Powerline AV Adapter to the Internet and then plug in up to 15 additional Powerline AV adapters for instant building connectivity. Onetouch Sync button networks adapters quickly. Share data intensive files play games download music and more at faster data transfer rates. Advanced 128bit AES encryption to ensure total network security. Neighbor network support for up to 4 overlapping networks. Tricolor LED Indicator. Network signal transmits up to 300 meters (984ft.). Auto QoS support through traffic classification and multiple priority queuing. Optional management utility compatible with Windows 7 (32/64bit) Vista (32/64bit) and XP (32/64bit) operating systems. Integrated high performance wireless n access point. Based on IEEE 802.11n technology and compliant with IEEE 802.11b/g standards. Highspeed data rates of up to 300Mbps with IEEE 802.11n. Onetouch WiFi Protected Setup (WPS) button connects wireless clients quickly. Supports Access Point or Access Point (AP) Client (wireless adapter) mode. In Access Point mode: expand a wireless ne |
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Wireless Sensor Network Design $160.91 This book provides readers with an insightful understanding of the principles of Wireless Sensor Network Design by showing how they are used through programming examples in LabVIEW and TinyOS. The book provides case studies, numerical examples, exercises, software projects and applications of current Wireless Sensor Network (WSN) platforms. The chapters discuss the concept of Open Systems Interconnections (OSI) architecture used in WSN and provide details on various layers in the OSI model such as Physical, Medium Access Control, Data Link, Network, and Transport layers. Later chapters include discussion on Energy efficiency requirements for WSN, Sensor node localization, Task Planning and Control in WSN, and Standards for WSN. The Appendix provides NesC programming codes for the exercises and examples mentioned in the Chapters. Many designing issues and application techniques, that several students and WSN users view as a necessity for wireless sensor networks to be truly practical and useful are covered in this narrative. Author: Ballal, Prasanna/ L. Lewis, Frank Binding Type: Paperback Number of Pages: 356 Publication Date: 2010/08/13 Language: English Dimensions: 5.98 x 9.01 x 0.79 inches |
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Wireless Access Networks: Fixed Wireless Access and Wll Networks Design and Operation $12.08 Wireless provides a means for effective, efficient and rapid deployment of new access networks in areas previously without telecommunications service or short of capacity. Fixed wireless access networks and Wireless Local Loop (WLL) technology are, therefore, playing an important role in the restructuring of the public telecommunications industry. Written in a highly accessible, well-illustrated and simple-to-read format, this book presents the economics, the practicalities, the technical and operational aspects of planning and maintaining fixed wireless access networks, and explains when and why they are attractive. Topics covered include: ? Design of radio systems and their basic functionality ? Point-to-point (PTP) and point-to-multipoint (PMP) radio ? Calculation of radio system range and reliability ? Fixed wireless applications and their network integration Wireless Access Networks is an invaluable and complete reference for all involved in fixed wireless access and wireless local loop, including business strategists, marketing, technical, planning and operations staff of public network operators, as well as students. |
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Wireless Network Security A Beginner's Guide $40 Practical, hands-on instruction for securing wireless networks. Wireless Network Security: A Beginner's Guide is an implementation guide to the basics of wireless technologies: how to design and use today's technologies to add wireless capabilities into an existing LAN and ensure secure communications between users, wireless devices, and sensitive data while keeping budgets and security in the forefront. Featuring real-world scenarios and instruction from a veteran network administrator, this book shows you how to develop, implement, and maintain secure wireless networks. There are many established protocols and standards for communications and security—expert author Brock Pearson shows how to deploy them correctly for best security practices. Wireless Network Security: A Beginner's Guide features: Chapter Objectives: List of topics covered in the chapter; Prevention Techniques: Proactive process improvement measures for avoiding attacks and preventing vulnerabilities from emerging; Hands-On Practice: Short, “try-it-yourself” exercises in which the reader is led through a series of steps to create a simple program or event; Ask the Security Guru: Q&A sections filled with bonus information and helpful tips; Checklists: A summary in checklist format at the end of each chapter that lists the important tasks discussed in the chapter; On Budget: Highlighted sections help optimize and leverage existing security processes and technologies to align with budget needs.; Real-world scenarios of implementations of wireless technologies into corporate environments; Details on wireless technologies, including 802.11b, 802.11g, Bluetooth, long-range wireless, and WiFi. Easy-to-follow coverage:. Introduction to Wireless Networking; Existing Wireless Networking Protocols; Existing Wireless Security Algorithms; Building a Budget and Strategy for Wireless Capabilities; Wireless Strategies for Existing Environments; Wireless Strategies for New Environment; Tracking and Maintaining Budgets; Implementing Wireless Access into Existing Environments; Implementing Wireless Access into New Environments; Detecting Intrusions on Wireless Networks; Ensuring Secure Wireless/Wired Connections; Updating Wireless Access Point Configurations |
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Wireless Body Area Network $154.45 Wireless body area network (WBAN) is a small scaled network that operates inside, on, or in the peripheral proximity of a body. The strong demands from both medical and healthcare society and consumer electronics industry have been accelerating the development of WBAN. WBAN is expected to be one of the main technologies of providing extremely high convenience and high efficiency in assisting healthcare or medical services. From the consumer electronics point of view, WBAN is also of great interest in providing body centric electronics for leisure, entertainment, game control, etc.Recent technological advances in low-power microelectronics, miniaturization, and wireless networking enable the design and proliferation of WBAN. However, engineers and designers of WBAN may face a number of challenging tasks such as regulatory circumstance, channel model, low power consumption, thermal effect, antenna and body loss, high-efficiency radios, reasonable data rate, high reliability, and efficient medium access. This book addresses various aspects of WBAN including: Introduction Regulations Antenna, Body Tissues and Radio Propagation Physical Layer Technologies Medium Access Control StandardizationThe objective of the book is to provide sound understanding to the basic concepts, characteristics, and technologies of the new fast growing WBAN system. Frequency regulations on candidate frequency bands, such as ultra wideband (UWB), industrial, scientific, and medical (ISM), medical implant communication service (MICS), and wireless medical telemetry system (WMTS), in different countries and regions are investigated and summarized. Antenna, propagation, andchannel modeling related to WBAN are described. Effects of radio frequency on tissues and organs and effects of human tissues on RF propagations are addressed. Physical (PHY) layer technologies including both narrow band and UWB are illustrated. Medium access control (MAC) technologies for WBAN are discussed and a unified MAC design which is independent of underlying PHY technologies is given. Standardization with IEEE802.15.6, IEEE 11073, and ETSI eHealth Projectare briefly reviewed.This book is a useful tool for university students, communication system engineers, as well as communication system researchers who study or design WBAN |
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