VLAN ( 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

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May 17, 2008

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VLAN

-- 5 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
Strategic Planning for Network and Systems Management sponsored by CA WHITE PAPER: Posted: 13 May 2008 \| Published: 13 May 2008 SUMMARY: This white paper outlines the challenges of VoIP and best practices for planning and managing VoIP and also outlines how to achieve your IT infrastructure management goals while reducing IT costs. TOPICS: Configuration Management Database \| Data Centers \| Network Management \| Systems Management \| Systems Management Tools \| VLAN \| VoIP

Nemertes Research: The Center Is Everywhere sponsored by SonicWALL WHITE PAPER: Posted: 28 Apr 2008 \| Published: 01 Apr 2008 SUMMARY: The new center of enterprise IT security efforts is now everywhere - every server and desktop, every network access point, every application and service, every user is the now at the center. TOPICS: Access Control \| Identity Management \| Intrusion Detection \| Intrusion Prevention \| Remote Access Security \| Remote Users \| VLAN \| Web Application Security

Network and Voice Management for Evolving Business Environments sponsored by CA WHITE PAPER: Posted: 28 Apr 2008 \| Published: 28 Apr 2008 SUMMARY: 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. TOPICS: Fault Management \| LAN \| Network Performance Management \| VLAN \| WAN

Ease ERP Deployment with On-Demand Utility Computing sponsored by USi, an AT&T Company WHITE PAPER: Posted: 21 Feb 2008 \| Published: 01 Mar 2007 SUMMARY: Utility computing addresses many challenges faced by IT managers and business process users. Learn how you can ease ERP deployment in a utility computing infrastructure and address performance, scalability, availability and security challenges. TOPICS: Application Deployment \| Clustering \| Cost Benefit Analysis \| ERP \| Firewall Management \| High Availability \| IT Managers \| Oracle (Product) \| SAN \| Software Virtualization \| Utility Computing \| VLAN \| VMware \| Web Services

Eliminating Security Trade-Offs with Cross-Platform Server Isolation sponsored by Apani WHITE PAPER: Posted: 18 Feb 2008 \| Published: 01 Feb 2008 SUMMARY: This paper will examine the challenges of using network firewalls and VLANs for security within the corporate network and introduce the many advantages of cross-platform server isolation as an alternative in protecting servers. TOPICS: Data Encryption \| Firewall Management \| Network Security \| Security Infrastructure \| Server Virtualization \| VLAN

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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