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Extreme Networks 40 Gigabit Ethernet: Another hat in the ring
Extreme Networks' 40 Gigabit Ethernet debut at Interop has the company promising customers they can update using their existing equipment. The Extreme Networks 40 Gigabit Ethernet approach adds 40 Gigabit Ethernet connections to existing stackable sw... Slideshow
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Interop Las Vegas 2010: Five hot Interop products
At Interop Las Vegas 2010, networking vendors will announce some of their biggest product launches of the year. This year, 40 Gigabit Ethernet switching takes center stage in the line-up of hot Interop products. Other Interop products include more 10... Slideshow
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Interop Las Vegas 2010: Special news coverage
Keep up with what's happening at Interop Las Vegas 2010 in this conference coverage. Read about data center networks and convergence, networking for server virtualization, network virtualization, unified communications, wireless LAN and WAN performan... Special News Coverage
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VLAN guide for networking professionals
Virtual LANs (VLANs) are LANs with definitions that map workstations based on anything except for geographic location. In this VLAN guide, you will learn about VLANs as they relate to server virtualization and WLANs and find VLAN configuration tips a... Guide
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2010 predictions: What routing/switching trend will affect networking?
Our routing and switching expert defines IT trends networking pros in design and architecture should be asking for their businesses in this 2010 predictions piece. Slideshow
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10 Gigabit Ethernet tutorial: Connecting data centers, storage, LAN and beyond
As IT teams build 10 Gigabit Ethernet networks, they'll have to choose the right 10 Gigabit Ethernet cabling and components in order to ensure data center optimization and prevent latency in the network. They''ll also need to be sure their networks a... Expert Lesson
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Best practices for securing your wireless LAN
Perhaps the biggest network security concern for many enterprises is securing a wireless local area network (WLAN). This three-part expert lesson provides best practices for securing a WLAN in the enterprise. Lesson 1 focuses on methods of systematic... Expert Lesson
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A basic virtualized enterprise -- from 'Network Virtualization'
In this chapter from "Network virtualization," authors Victor Moreno and Kumar Reddy explain why and how to virtualize the network. They define technical requirements posed by the need to virtualize the network and propose an architectural framework ... Chapter Download
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Network administration guide
Good network administration is the backbone of today's technology-dependent enterprises. Network administrators are charged with keeping expansive networks and numerous applications running smoothly, and the job can seem overwhelming at times. We're ... Learning Guide
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Virtual Networks -- Chapter 8 of VMware Server and VMware Player
Learn about the advantages of virtual networks, and how VMnets are used in Chapter 8 of VMware Server and VMware Player. After reading this you will be able to change the network adapter in the configuration file; understand how to do adapter teaming... Chapter Download
- See More: Essential Knowledge on LANs (Local Area Networks)
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Cisco 40 GbE and 100 GbE switching debut at Cisco Live London
Cisco released 40 and 100 GbE line cards for the Nexus 7000 and Catalyst 6500, as well as network virtualization strategies that enhance both campus and data center networks. News | 01 Feb 2012
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Network upgrade yields facilities automation, active-active data center
With an HP-based network upgrade, the University of North Florida can now support facilities automation and an active-active data center. News | 17 Nov 2011
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Brocade’s stackable switch: The low-cost alternative to Catalyst 3750?
With its new stackable switch, Brocade offers an alternative to Cisco’s Catalyst 3750 with plenty of bandwidth and features and a much lower price. News | 10 Nov 2011
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Cisco attacks HP on network hardware total cost of ownership claims
In a new total cost of ownership (TCO) study, Cisco says HP’s lower prices on network hardware don’t matter. Cisco’s superior quality and features pays you back, it says. News | 20 Oct 2011
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Unified network management planning: Integrating wired and wireless
To deploy unified network management, enterprises must look at the current network infrastructure, how users connect to the network and possibly embracing platforms like the cloud. News | 12 Sep 2011
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Catalyst 6500 Supervisor 2T may not be your upgrade answer
When Cisco realized customers might not be ready for the Nexus line, it launched the Catalyst 6500 Supervisor 2T upgrade. But why not go with the Nexus 7009? Fast Packet | 06 Sep 2011
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Cisco Live 2011 Las Vegas: Nexus and Catalyst under one roof
At Cisco Live 2011 Las Vegas, Cisco said it will condense business units. That means Nexus and Catalyst switching lines will live in the same unit. Which one will get the R&D cash? Fast Packet | 22 Jul 2011
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Cisco adds 60-watt Power over Ethernet standard in Cat 4500
Cisco is pushing the Power over Ethernet standard to 60 watts with Universal PoE. The technology is available in new line cards for the Catalyst 4500. News | 20 Jul 2011
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Cisco Live 2011: Catalyst 6500 upgrade the game changer?
At Cisco 2011, Cisco played to its core audience, announcing a Catalyst 6500 upgrade that will triple the switch's speed and capacity and beef up security and management. News | 13 Jul 2011
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Cisco competitors catch the user eye despite old loyalties
Half of Cisco users will consider buying equipment from less expensive Cisco competitors even though these users believe in Cisco's products, according to a readership poll. News | 07 Jul 2011
- See More: News on LANs (Local Area Networks)
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Converged storage networking for virtual desktop infrastructure
Implementing FCoE converged networking for virtual desktop infrastructure can mean managing one network instead of two, but there are complications to consider. Tip
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Network energy efficiency starts in the LAN closet
Many look to data center servers and storage to cut power use, but network energy efficiency can start inside the LAN closet with switches, routers and security devices. Tip
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Dynamic core network services: DNS and DHCP for virtualization
Without dynamic core network services, virtualization will be stalled. Dynamic DNS and DHCP, as well as IPAM, are necessary to manage the constantly changing addresses and configuration in a virtualized environment. Tip
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How to optimize Ethernet for data center networks
It will take time for super-fast data center Ethernet technologies to evolve, so managers of data center networks must optimize existing Ethernet through a series of strategies that range from choosing very large switches to isolating storage network... Tip
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Choosing an edge switch: What to consider before you invest
Choosing an edge switch means considering a host of edge switch features that range from advanced security like IPS and malware-scanning to wireless LAN features like integrated access points and Power over Ethernet Plus. Tip
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Integrating LAN edge switch security and network access control
The best form of network edge security is to integrate LAN edge switch security features with network access control devices so that networking teams can use VLANs, ACLs and health checks at the switch alongside NAC's behavior analysis. Tip
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Configuring LAN edge switches for network access authentication
Intelligent edge switches can play a role in network access authentication, but these functions are often overlooked. Tip
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LAN edge switch security functions: Switch ACLs; filtering port traffic
LAN edge switch security functions enable network administrators to use switch access control lists (ACLs) to filter incoming and outgoing traffic, as well as port-level traffic filtering and VLAN management for a more in-depth approach to LAN securi... Tip
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How to test LAN switch energy efficiency
Vendors promise energy-efficient networks, but they often can't provide actual measurements for LAN switch power consumption. In this best practices guide, learn methods for measuring LAN switch energy efficiency. Tip
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Testing LAN switch power consumption: A best practices guide
LAN switch power consumption testing is as crucial as benchmarking speeds and feeds on switches. Enterprises that develop a set of best practices for testing network power consumption will save millions in op-ex annually. Tip
- See More: Tips on LANs (Local Area Networks)
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Network testing strategies for the enterprise: Meet the experts
SearchNetworking.com’s new experts, Tom Kunath and Andy Sholomon, discuss network testing strategies for the enterprise at Cisco Live 2011. Answer
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Linking an unmanaged switch and DHCP server
Unmanaged Linksys switches don't know where to send BootP and DHCP requests. Find out what to do to fix the problem of unmanaged switches and DHCP servers. Ask the Expert
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Configuring VLANs on a Cisco Catalyst 3750 and Catalyst 2950 together
Ask the Expert
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How does Active Directory for Cisco ACS work?
Ask the Expert
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How do I access Windows Server 2003 remotely if I've lost my admin password?
Ask the Expert
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Frame relay vs. ATM networks: What's the difference?
Want to know the difference between frame relay and ATM networks? Find out in this expert response. Ask the Expert
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VLANs versus IP subnets: Why use a VLAN over IP subnetting?
A virtual local area network (VLAN) is better than IP subnetting because its advantage is security. Learn what a VLAN is and how it differs from creating IP subnets, in this expert response from our networking fundamentals expert. Ask the Expert
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Troubleshooting VLANs: How to monitor 802.1q tagged traffic
When troubleshooting a virtual LAN (VLAN), learn how to monitor 802.1q tagged traffic within a network in this advice from our routing and switching expert. Ask the Expert
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LANs vs. WLANs: Which network designs are used for each company size?
Which network design is easier to implement, LANs or wireless LANs? Our network administration expert explains this and which designs best fit particular functions and areas of your organization. Ask the Expert
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How can I use VLANs and NAT to get around the need for a static IP address?
Learn how to use a VLAN and NAT to get around static IP address designation problems. Ask the Expert
- See More: Expert Advice on LANs (Local Area Networks)
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Port Address Translation (PAT)
Port Address Translation (PAT), is an extension to network address translation (NAT) that permits multiple devices on a local area network (LAN) to be mapped to a single public IP address. The goal of PAT is to conserve IP addresses. Word
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Technical Office Protocol (TOP)
Technical Office Protocol (TOP), also called Technical and Office Protocol, is a set of protocols intended for networks that perform distributed information processing in business offices... (Continued) Word
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subnet mask
A subnet mask is a screen of numbers used for routing traffic within a subnetwork. Word
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32-bit IP addressing
32-bit IP addressing is the IP address scheme used in Internet Protocol 4 (IPv6 uses a 128-bit system)... (Continued) Word
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subnet (subnetwork)
Word
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virtual systems management (VSM)
Virtual systems management (VSM), also known as virtual system management, is the process of remotely managing the allocation and use of resources in conventional networks as well as in virtual area networks (VANs), virtual private networks (VPNs), v... Word
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ARCNET
ARCNET is a widely-installed local area network (LAN) technology that uses a token-bus scheme for managing line sharing among the workstations and other devices connected on the LAN. Word
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system administrator (sysadmin)
A system administrator, abbreviated as "sysadmin," is a person who is responsible for managing a multi-user computing environment, such as a local area network (LAN). Word
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master
Word
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master/slave
Word
- See More: Definitions on LANs (Local Area Networks)
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Enterprise network testing: What engineers overlook
For reliable enterprise network testing, network engineers must test entire architectures as opposed to specific points on the network. Video
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Cisco CEO John Chambers promises to streamline
At Cisco Live 2011, Cisco CEO John Chambers promised to bring the company back to its core competency and streamline operations. Video
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Cisco 40 GbE and 100 GbE switching debut at Cisco Live London
Cisco released 40 and 100 GbE line cards for the Nexus 7000 and Catalyst 6500, as well as network virtualization strategies that enhance both campus and data center networks. News
-
Converged storage networking for virtual desktop infrastructure
Implementing FCoE converged networking for virtual desktop infrastructure can mean managing one network instead of two, but there are complications to consider. Tip
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Network upgrade yields facilities automation, active-active data center
With an HP-based network upgrade, the University of North Florida can now support facilities automation and an active-active data center. News
-
Brocade’s stackable switch: The low-cost alternative to Catalyst 3750?
With its new stackable switch, Brocade offers an alternative to Cisco’s Catalyst 3750 with plenty of bandwidth and features and a much lower price. News
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Network auditing tools for war driving: Video and quiz
Test your knowledge of network auditing tools by viewing this video and taking the quiz that follows. Know how to best tackle network access points and get a chance to be rewarded. Quiz
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Cisco attacks HP on network hardware total cost of ownership claims
In a new total cost of ownership (TCO) study, Cisco says HP’s lower prices on network hardware don’t matter. Cisco’s superior quality and features pays you back, it says. News
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Unified network management planning: Integrating wired and wireless
To deploy unified network management, enterprises must look at the current network infrastructure, how users connect to the network and possibly embracing platforms like the cloud. News
-
Catalyst 6500 Supervisor 2T may not be your upgrade answer
When Cisco realized customers might not be ready for the Nexus line, it launched the Catalyst 6500 Supervisor 2T upgrade. But why not go with the Nexus 7009? Fast Packet
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Enterprise network testing: What engineers overlook
For reliable enterprise network testing, network engineers must test entire architectures as opposed to specific points on the network. Video
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Cisco CEO John Chambers promises to streamline
At Cisco Live 2011, Cisco CEO John Chambers promised to bring the company back to its core competency and streamline operations. Video
- See More: All on LANs (Local Area Networks)
About LANs (Local Area Networks)
Find information for how to set up, configure, and troubleshoot LANs (local area networks), as well as virtual LAN (VLAN) design, configuration and troubleshooting.