From the Publisher
This book is for the network administrator who wants to set up the infrastructure for a Virtual LAN (vLAN) and manage it. Author Gil Held provides all the necessary background information on Virtual LANs and networking technologies like ATM, FDDI, Frame Relay, and the Ethernet.
From the Back Cover
Virtual LANs, or vLANs, represent a quantum leap forward in enterprise networking. Using vLAN technology, network managers and administrators quickly and easily structure, restructure, and support networks on the basis of changing user-group needs, rather than physical infrastructure and group employee location.
Written by an internationally recognized lecturer and author who presented the first seminar on virtual LANs and virtual networking, this book provides an in-depth examination of both technologies. Gilbert Held tells you what you need to know to evaluate vendor products and successfully set up and manage a LAN. He supplies all the necessary background information on ATM, FDDI, IEEE, vLAN and Internet standards, Token Ring, and Ethernet, as well as practical guidelines on the OSI Reference Model, various LAN frame and cell formats, and the operation of bridges, switches, and routers.
Virtual LANs also features detailed coverage of virtual networking, an important new technology that allows you to remote access as well as link conventional LANs with virtual LANs to form intranets on the Internet. Held explores the various advantages and disadvantages of this important emerging technology, carefully weighing such crucial pros and cons as cost effectiveness and enhanced reliability versus various technical limitations and network security risks associated with virtual networking.
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