Download 802.11 Wirelss LAN fundamentals by Pejman Roshan PDF

By Pejman Roshan

Master the fundamentals in designing, development, and coping with a Cisco Aironet WLAN.

  • Master the fundamentals of instant LANs with this concise layout and deployment guide
  • Understand implementation matters for quite a few environments together with vertical, SOHO, and firm networks
  • Learn layout and troubleshooting suggestion from real-world case studies

802.11 instant LAN Fundamentals provides networking engineers and IT pros the information they should layout, install, deal with, and troubleshoot their very own instant local-area networks (WLANs). beginning with an summary of the expertise and structure of WLANs, the ebook is going directly to clarify prone and complex positive factors that such functions grants. most significantly, it presents useful layout assistance and deployment recommendations.

Wireless LANs attach machine networks through radio transmissions rather than conventional mobile traces or cables. advantages to those structures cross well past doing away with all of the cables and wires. Campus networks can develop geographically greater whereas nonetheless preserving all their potency and velocity. also, fee rate reductions will be discovered while third-party mobilephone strains are not any longer precious, saving the price of line condominium and kit maintenance. eventually, flexibility in campus community layout raises considerably for the networking expert, whereas the community accessibility and usability raises for the person users.

802.11 instant LAN Fundamentals is helping networking execs notice those advantages by way of aiding them know the way to layout, construct, and keep those networks, in addition to tips on how to justify their price inside organizations.

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Extra info for 802.11 Wirelss LAN fundamentals

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11-based WLANs use a similar mechanism known as carrier sense multiple access with collision avoidance (CSMA/CA). CSMA/CA is a listen before • Table of Contents talk (LBT) mechanism. The transmitting station senses the medium for a carrier signal and • Index waits until the carrier channel is available before transmitting. 11 Wireless LAN Fundamentals Wired Ethernet is able to sense a collision on the medium. Two stations transmitting at the By Pejman Roshan, Jonathan Leary same time increase the signal level on the wire, indicating to the transmitting stations that a collision has occurred.

Figure 2-2 illustrates a typical infrastructure BSS. Figure 2-2. 11 Wireless LAN Fundamentals ByPejman Roshan, Jonathan Leary Publisher: Cisco Press Pub Date: December 23, 2003 ISBN: 1-58705-077-3 Pages: 312 Master the basics in designing, building, and managing a Cisco Aironet WLAN. Master the basics of Wireless LANs with this concise design and deployment guide ESSUnderstand implementation issues for a variety of environments including vertical, SOHO, and enterprise networks Multiple infrastructure BSSs can be connected via their uplink interfaces.

The answer is no. FLPs are based on the network link pulse (NLP) specified in the Ethernet standard. NLPs are periodic pulses that are essentially the network heartbeat. FLPs provide a similar function for 100BASE-X networks, just 10 times as often. So although the 100BASETX station does not engage in auto negotiation, it does send FLPs, which indicate to the switch that the station does support 100 Mbps operation. This indication is what allows an auto-sense device to determine whether a station is 100BASE-TX or 10BASE-T.

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