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VLAN
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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
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Optimized Metro Aggregation Network for Triple Play Services
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The converged metro aggregation network enables service providers to continue selling their current TDM and HIS services while gradually adding the Triple Play services of VoIP, IPTV, and VoD.
Posted: 22 Jul 2008 | Published: 01 Jul 2008
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NAC 2.0: A New Model for a More Secure Future
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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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The ECHO™ - Cisco Connection: ECHO™, and How It Interacts with Cisco's CallManager
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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
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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
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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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z Cisco Catalyst 2950 Series Switches with Standard Image SW
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The Cisco Catalyst 2950 Series switches offer enhanced data security through a wide range of security features.
Posted: 10 Jul 2008 | Published: 01 Jan 2004
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802.11 Wireless vLAN Trunking and IPv6 Deployment
| sponsored by Command Information
PRODUCT LITERATURE:
Once some vLANs are enabled for IPv6, creating dual-stack or IPv6-only vLANs, IPv6 multicast traffic may leak onto IPv4-only subnets, resulting in connectivity problems.
Posted: 09 Jun 2008 | Published: 01 Jan 2006
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PCI/CISP Compliance Made Easy
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Check out this white paper to learn more simple and cost-effective strategies for PCI compliance including how to limit the scope of the audit and encryption practices made easy.
Posted: 04 Jun 2008 | Published: 19 May 2008
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Protecting Virtualised Data Centers with Cross-Platform Virtual Security
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Check out this white paper to learn how your company can effectively secure virtualised environments with cross-platform virtual security tools.
Posted: 04 Jun 2008 | Published: 04 Jun 2008
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Virtual Networking Concepts
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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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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 …
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