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VLAN

-- 10 Vendor Reports

ALSO CALLED: Virtual Local Area Networks Hardware, Virtual Local Area Networks Software, IEEE 802.1q, Logical LAN, Virtual LAN Hardware, VLAN Hardware, VLAN Software, Media Access Control Bridges, Virtual Local Area Networks, MAC Bridges, Virtual LAN Software, VLANs, 802.1q, Virtual LAN, Virtual LAN Appliances, Virtual Bridged LAN, and Virtual Bridged Local Area Networks
DEFINITION: VLAN hopping (virtual local area network hopping) is a method of attacking a network by sending packets to a port that is not normally accessible from a given end system. (A VLAN is a local area network with a definition that maps devices on some other basis than geographic location - for example, by department, type of user, or primary application.)

A VLAN  … 
Definition continues below.

Recent Vendor Reports on VLAN
Quick Migration with Hyper-V
sponsored by Microsoft
WHITE PAPER: This white paper begins with an introduction to quick migration and the Hyper-V technology and then describes how to apply quick migration to enhance the availability of services.
Posted: 01 Oct 2008 | Published: 30 Sep 2008
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Optimized Metro Aggregation Network for Triple Play Services
sponsored by ECI Telecom
WHITE PAPER: Learn how the convergence of voice, video and data ("Triple Play") together with relaxed regulatory control have forced service providers to shift towards a combined offering of voice, video, and data service improving their position in the market
Posted: 22 Jul 2008 | Published: 01 Jul 2008
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The ECHO™ - Cisco Connection: ECHO™, and How It Interacts with Cisco's CallManager
sponsored by Teleformix
WHITE PAPER: Read this white paper and learn how ECHO's direct digital integration with Cisco's VoIP network enables the pooling of voice VLAN ports through SPAN or RSPAN.
Posted: 11 Jul 2008 | Published: 01 Jul 2007
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The ECHO™ - Avaya Connection: ECHO™, and How It Interacts with Avaya's Telephony Solutions
sponsored by Teleformix
WHITE PAPER: Read this paper to learn how Teleformix's ECHO™ digital recording solution integrates seamlessly with Avaya's telephony systems, providing your company with a crucial customer service tool - quality assurance recording.
Posted: 11 Jul 2008 | Published: 01 Jul 2007
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z Cisco Catalyst 2950 Series Intelligent Ethernet Switches for Metro Access
sponsored by Cisco Systems, Inc.
SOFTWARE LISTING: The Cisco Catalyst® 2950 Series Intelligent Ethernet switches is an affordable line of fixed-configuration Fast Ethernet and Gigabit Ethernet switches that extend intelligence to the metro access edge.
Posted: 10 Jul 2008 | Published: 01 Jan 2002
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Virtual Networking Concepts
sponsored by Cisco Systems, Inc.
WHITE PAPER: This guide is for virtual infrastructure users who want a clearer understanding of the basic design of the networking capabilities and how that design affects deployment in the datacenter.
Posted: 28 May 2008 | Published: 18 Jul 2007
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Baking Security into Your Network Infrastructure
sponsored by CDW Corporation
VIDEOCAST: Check out this expert videocast to learn about the merging of security and network technology and how this overlap affects your company.
Posted: 28 May 2008 | Premiered: 28 May 2008, 09:00 EDT (13:00 GMT)
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Strategic Planning for Network and Systems Management
sponsored by CA
WHITE PAPER: Read this E-Guide to learn how to identify and convert performance data into useful information, choose between best of breed point solutions and inherently interoperable single vendor systems management solutions, and get prepared for a VoIP deployment.
Posted: 13 May 2008 | Published: 13 May 2008
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Security Implications of the Virtualized DataCenter
sponsored by F5 Networks
WHITE PAPER: The concept that virtual operating environments are just as secure as their physical counterparts can be a very expensive and destructive fallacy. Read why Today's system and security administrators need to begin focusing on virtual security.
Posted: 28 Apr 2008 | Published: 28 Apr 2008
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Network and Voice Management for Evolving Business Environments
sponsored by CA
WHITE PAPER: The network management market has grown quickly as IT has become the ubiquitous tool for driving business innovation, and as demands for improved service performance and reduced downtime have escalated.
Posted: 28 Apr 2008 | Published: 28 Apr 2008
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VLAN DEFINITION (continued): …  hopping attack can occur in either of two ways. If a network switch is set for autotrunking, the attacker turns it into a switch that appears as if it has a constant need to trunk (that is, to access all the VLANs allowed on the trunk port). In Cisco's Dynamic Trunking Protocol (DTP), the susceptibility of a system to this form of VLAN hopping can be minimized by turning off the autotrunking feature (DTP off) on all switches that do not need to trunk. In the second form of VLAN hopping, the hacker transmits data through one switch to another … 
VLAN definition sponsored by SearchSecurity.com, powered by WhatIs.com an online computer dictionary
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