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VLAN

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  … 
Definition continues below.


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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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TOPICS:  Ethernet Networks | HDTV | Internet Access | IPTV | MPLS | Network Convergence | Security | VLAN | VoDSL | VoIP
NAC 2.0: A New Model for a More Secure Future
sponsored by Sophos Inc.
WHITE PAPER: This paper looks at where NAC 1.0 went wrong and describes how the new perspective of NAC 2.0 will allow organizations the flexibility of control to ensure effective endpoint and network governance.
Posted: 16 Jul 2008 | Published: 01 Jul 2008
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TOPICS:  Access Control | Intrusion Prevention | Intrusion Prevention Systems | IP Address Management | Network Appliances | Routing | Security | Switching | VLAN | VPN
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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TOPICS:  Business Intelligence | Communications Systems | CRM | VLAN | VoIP
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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TOPICS:  Business Intelligence | Call Center Management | Call Center Software | CRM | Customer Data Management | Customer Interaction Services | Customer Satisfaction | Customer Service Best Practices | Ethernet Networks | Quality Control | Telephony Services | VLAN | VoIP
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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TOPICS:  Network Monitoring | Network Performance | Server Virtualization | Server Virtualization Software | Switches | VLAN
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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TOPICS:  Configuration Management Database | Data Centers | Network Architectures | Network Best Practices | Network Infrastructure | Network Performance | Network Testing | Network Traffic Management | QOS | Systems Management | Systems Management Tools | VLAN | VoIP
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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TOPICS:  Business Intelligence | ERP | Security | Software Virtualization | Virtual Machine Monitor | VLAN | VMware
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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TOPICS:  Fault Management | Network Performance Management | VLAN | Voice Communications Hardware | Voice Communications Software | Voice Networking | VoIP | WAN
 
VLAN DEFINITION (continued): …  geographic location - for example, by department, type of user, or primary application.)

A VLAN 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 … 
VLAN definition sponsored by SearchSecurity.com, powered by WhatIs.com an online computer dictionary



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