VLAN White Papers

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May 19, 2013

IT Systems > Communications Networks > LAN >
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, 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 hopping attack can occur in either of two … Definition continues below.
VLAN White Papers (View All Report Types)
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Solution brief: Exceed the Limits with Extreme Networks SDN Solutions sponsored by Extreme Networks WHITE PAPER: Explore a portfolio of products that will help you accelerate the adoption of software-defined networking (SDN) within your enterprise. Posted: 14 May 2013 \| Published: 30 Apr 2013 TOPICS: Ethernet Switches \| Gigabit Ethernet \| Network Design \| Network Infrastructure \| Networking \| Networking Hardware \| Switches \| Switching \| VLAN

Demystifying Switch-based ACLs sponsored by Global Knowledge WHITE PAPER: This whitepaper aims to help you better understand switch-based Access Control Lists (ACLs) by exploring what they are used for and how to best utilize them on IOS-based Catalyst devices. View now to learn more! Posted: 14 Feb 2013 \| Published: 14 Feb 2013 TOPICS: Access Control \| Access Rights \| Layer 2 Switches \| Layer 3 Switches \| Layer 4 Switches \| Network Security \| Network Security Appliances \| Network Security Hardware \| Network Security Software \| Routers \| Switches \| VLAN

Demystifying VLAN Trunk Protocol sponsored by Global Knowledge WHITE PAPER: This detailed white paper will help you uncover the truth about the often-misunderstood Virtual Local Area Network (VLAN) Trunk Protocol, or VTP. Discover an in-depth overview of how VTP works and see how you can overcome VTP challenges to minimize network outages and more – read on to get started. Posted: 10 Jan 2013 \| Published: 31 Dec 2012 TOPICS: LAN \| LAN Protocols \| Network Best Practices \| Network Management \| Network Performance \| Network Protocols \| Networking \| Switches \| VLAN

2012-2013 WLAN Buyer's Guide sponsored by Aerohive Networks WHITE PAPER: This comprehensive WLAN buyers guide explores the current trends and considerations you must make before your WLAN purchase. Posted: 02 Apr 2012 \| Published: 02 Apr 2012 TOPICS: 802.11 \| 802.11a \| 802.11b \| 802.11g \| 802.11n \| Load Balancing \| Network Architectures \| Network Infrastructure \| Network Traffic Analysis \| Network Traffic Management \| Networking \| VLAN \| Wi-Fi \| Wireless Networks \| WLAN \| WLAN Access Points \| WLAN Hardware \| WLAN Management \| WLAN Protocols

Simplifying networks in virtualized environments with Intel technology sponsored by Dell, Inc. WHITE PAPER: Advances in 10 Gigabit Ethernet technology have IT organizations pondering how they can simplify their virtualized environments. Posted: 30 Nov 2011 \| Published: 30 Nov 2011 TOPICS: 10 Gigabit Ethernet \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Performance \| Network Security \| Network Traffic Management \| Networking \| Virtualization Security \| VLAN \| VMware

10 Gigabit Ethernet Virtual Data Center Architectures sponsored by Dell, Inc. WHITE PAPER: The combination of a consolidated data center with a virtualized 10GbE data center can offer your company numerous benefits, including increased adaptability, improved business continuance, and reduced space requirements. Posted: 23 Nov 2011 \| Published: 22 Nov 2011 TOPICS: 10 Gigabit Ethernet \| Architectures \| Data Center Infrastructure Efficiency \| Data Center Management \| Data Center Networking \| Layer 2 Switches \| Layer 3 Switches \| Layer 4 Switches \| Legacy Applications Software \| Network Architectures \| Network Management \| Network Performance \| Network Security \| Networking \| SOA \| Storage Consolidation \| VLAN \| VMware

Network Automation with the Dell Force10 Open Automation Framework sponsored by Dell, Inc. WHITE PAPER: To get a return on virtualization investments, companies must deploy effective automation techniques to simplify the virtualized environment while also allowing a policy-based deployment model. Posted: 23 Nov 2011 \| Published: 23 Nov 2011 TOPICS: Cloud Computing \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Performance \| Networking \| Networking Hardware \| Virtual Machine \| VLAN \| VM

Integrating Networks into Virtual Environments with Virtual Server Networking sponsored by Dell, Inc. WHITE PAPER: Network automation is proving to be necessary to get the full benefit of virtualization and receiving a return on investment from it. Posted: 22 Nov 2011 \| Published: 22 Nov 2011 TOPICS: Network Architectures \| Network Capacity \| Network Infrastructure \| Network Management \| Network Managers \| Network Operating Systems \| Network Performance \| Networking \| Routers \| Switches \| VLAN \| VM \| VMware

Virtualizing Your Cisco Unified Communications with Cisco UCS sponsored by Global Knowledge WHITE PAPER: This white paper highlights the advantages of virtualizing your Cisco Unified Communications using the Cisco Unified Computing System (UCS). Posted: 15 Apr 2011 \| Published: 15 Apr 2011 TOPICS: Data Center Design \| Data Center Management \| Data Centers \| LAN \| Storage Management \| Unified Messaging \| Unified Messaging Systems \| VLAN

Five Best Practices to Protect Your Virtual Environment sponsored by Juniper Networks, Inc. WHITE PAPER: Discover how you can realize the benefits of virtualization without sacrificing security in this whitepaper that outlines five best practices to utilize to protect your virtual environment. Posted: 01 May 2012 \| Published: 20 Apr 2012 TOPICS: Access Control \| Data Center Networking \| Network Architectures \| Network Best Practices \| Network Management \| Network Monitoring \| Network Security \| Security \| Security Best Practices \| Virtualization Security \| VLAN \| VM

Simplifying Network Management with Enterasys: Reducing the complexity and cost of network management with OneFabric™ sponsored by Enterasys WHITE PAPER: Traditional network architectures often cannot effectively support the business because they fail to meet the requirements needed. Review traditional architectures used in businesses today and see a new unified architecture that can bring existing IT fabrics into a single end-to-end network fabric. Posted: 23 Nov 2011 \| Published: 23 Nov 2011 TOPICS: Cloud Computing \| Data Center Consolidation \| Data Center Management \| Data Center Networking \| LAN \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Monitoring \| Network Performance \| Network Security \| VDI \| VLAN \| WLAN

Integrating Physical and Virtual Networking – Virtualized Server Connect to the Data Center Fabric sponsored by Enterasys WHITE PAPER: Server virtualization has affected all facets of the data center – from servers to storage to the network. While the promise is a reduced capital investment, higher agility and lower operational expenses, the success of server virtualization depends on the integration of both the physical and the virtual network. This has its own set of challenges. Posted: 22 Nov 2011 \| Published: 21 Nov 2011 TOPICS: Data Centers \| Ethernet Networks \| Network Design \| Network Infrastructure \| Network Management \| Network Monitoring \| Network Performance \| Networking \| Switches \| Virtual Machine \| VLAN \| VM

What Is an Ethernet Fabric? sponsored by Brocade WHITE PAPER: Compared to classic hierarchical Ethernet architectures, Ethernet fabrics provide the higher levels of performance, utilization, availability and simplicity required to meet the business needs of data centers today and into the future. Posted: 15 Nov 2011 \| Published: 15 Nov 2011 TOPICS: Architectures \| Data Centers \| Ethernet Networks \| Ethernet Protocols \| Ethernet Switches \| Network Architectures \| Network Infrastructure \| Network Management \| Network Performance \| Network Traffic Analysis \| Network Traffic Management \| Networking \| Virtual Machine \| VLAN

Improving the Experience and Economics of the Campus Network sponsored by Juniper Networks, Inc. WHITE PAPER: Most companies today are implementing mobility applications to establish closer relationships with their employees, suppliers and customers. Mobility applications enable the sales force to be extremely reactive, stay connected to their customers, and act on new opportunities in literally seconds. Posted: 02 Sep 2011 \| Published: 02 Sep 2011 TOPICS: Cloud Computing \| Cloud Management \| Data Center Networking \| Mobile Device Management \| Network Architectures \| Network Management \| Networking \| Virtual Desktop Infrastructure \| VLAN

*Simplify VMware vSphere 4Networking with Intel® Ethernet 10 Gigabit Server Adapters sponsored by Intel WHITE PAPER: Server virtualization can quickly result in excessively complex network ports if you don't have a plan. This white paper explores the factors that can lead to GbE port bloat, including physical server connection paradigms and security procedures. Posted: 05 Jul 2011 \| Published: 05 Jul 2011 TOPICS:** Bandwidth Management \| Network Infrastructure \| Network Management \| Server Virtualization \| Virtual Machine \| VLAN \| VM \| VMware

Ten top problems network techs encounter sponsored by Fluke Networks WHITE PAPER: This whitepaper discusses ten common problems encountered by technicians today and their symptoms, causes, and resolutions. Posted: 18 Apr 2011 \| Published: 18 Apr 2011 TOPICS: Application Performance Management \| IP Address Management \| Network Management \| Network Performance \| Print Management \| Server Management \| VLAN \| Wireless Systems

Ten top problems network techs encounter sponsored by Fluke Networks WHITE PAPER: This white paper discusses ten common problems encountered by technicians today and their symptoms, causes, and resolutions. Posted: 14 Oct 2010 \| Published: 14 Oct 2010 TOPICS: Application Performance Management \| Application Server Hardware \| IP Address Management \| Network Management \| Network Performance \| Switches \| VLAN \| Wireless Application Services Providers

The Top 5 VoIP Problems and How to Solve Them sponsored by Fluke Networks WHITE PAPER: This paper examines each of these problems and addresses how the ClearSight Analyzer can be used to isolate the cause of the problem. Posted: 10 Sep 2010 \| Published: 10 Sep 2010 TOPICS: DHCP \| RTP \| Streaming Media Services \| Streaming Video Software \| TFTP \| Troubleshooting \| VLAN \| VoIP

Dell Networking Solutions Guide for Microsoft Hyper-V sponsored by Dell and Microsoft WHITE PAPER: This solutions guide details the four available networking configurations, and the advantages and disadvantages of each with an emphasis on typical Dell system configuration and the hardware offerings. Posted: 11 Dec 2008 \| Published: 11 Dec 2008 TOPICS: Best Practices \| Clustering \| DHCP \| High Availability \| Network Configuration Management \| SMBs \| VLAN \| Windows Server Software

The Case for Virtual Local Area Networks (VLANs) sponsored by Global Knowledge WHITE PAPER: In this whitepaper you will learn about the evolution of Ethernet, the reasons VLANs were introduced, and the ways that VLANs can be used. Posted: 10 Dec 2008 \| Published: 10 Dec 2008 TOPICS: Ethernet Networks \| Manufacturing \| VLAN \| WAN \| WAN Hardware \| WAN Switches \| WAN Switching

Switching Essentials: An Introduction to Network Switching sponsored by Global Knowledge WHITE PAPER: In this white paper, we will address the basics of this Layer 2 technology and help you get your network switch up and running. For our examples, we will use Cisco's 2950 switch. Posted: 10 Dec 2008 \| Published: 11 Oct 2008 TOPICS: Data Center Management \| GUI \| Routers \| Switching \| VLAN \| WAN Switches

Solving the Mysteries of Subnetting sponsored by Global Knowledge WHITE PAPER: Subnetting is a complicated topic that has confused students for a very long time, however, subnetting is an important topic for many different certifications with various vendors, including Cisco. Posted: 10 Dec 2008 \| Published: 11 Oct 2008 TOPICS: Management Training \| Network Appliances \| Network Architectures \| Network Management \| Network Operations Centers \| VLAN

Keeping Your Head above the Cloud: 7 Data Center Challenges before Going Virtual sponsored by F5 Networks WHITE PAPER: This White Paper details seven data center challenges before deploying a virtual data center. Posted: 07 Oct 2008 \| Published: 07 Oct 2008 TOPICS: Data Centers \| Enterprise \| Network Infrastructure \| Server Virtualization \| VLAN \| VMware

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 TOPICS: Ethernet Networks \| HDTV \| Internet Access \| IPTV \| MPLS \| Network Convergence \| Security \| VLAN \| VoDSL \| VoIP

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 TOPICS: Business Intelligence \| Communications Systems \| CRM \| VLAN \| VoIP

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VLAN DEFINITION (continued): … 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 by sending frames with two 802.1Q tags, one for the attacking switch and the other for the victim …
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