Network Management Strategies for the CIO
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Let the 40 Gigabit Ethernet migration begin
The need for capacity and speed explodes as network teams build private and hybrid clouds and deliver video throughout their campuses and branch offices. So even if they don’t need 40 GbE today, they’ll need to build networks that can be transitioned... E-Zine
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Preparing for the 40 GbE migration
Transitioning from 10 Gigabit Ethernet to 40 GbE and beyond promises incredible network efficiency; this guide will help you plan the upgrade. guide
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Will we ever need 400 Gigabit Ethernet enterprise networks?
With 40 and 100 Gigabit Ethernet so new, what could possibly drive the need for 400 Gigabit Ethernet in the enterprise? Hint: It’s not just the WAN. Feature
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The 100 Gigabit Ethernet management challenge: Do tools exist?
When it comes to 100 Gigabit Ethernet, network monitoring tools fall short. Analyst Jim Frey explains which tools are ready and which must change. Feature
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40 Gigabit Ethernet: The migration begins
Experts and early adopters of 40 Gigabit Ethernet share successes and pitfalls. Feature
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Cisco Nexus switches: Layer 2 configuration strategies
In this chapter, you'll learn the basics of Cisco Nexus switches and configuration of Layer 2 networking. Book Chapter
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Is Cisco doing enough to reduce network power consumption?
Better power supplies and fans are not enough to reduce network power consumption. It's time for network vendors to rethink chip design and packaging. Fast Packet
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40 Gigabit Ethernet in data center networks: Migration best practices
Next year 40 Gigabit Ethernet migration will begin in earnest. Learn how to introduce the technology to your data center network. Feature
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Time to upgrade from 100 Mbps to Gigabit Ethernet on the network edge?
While 100 Mbps Fast Ethernet might provide enough bandwidth for your campus network today, a Gigabit Ethernet (GbE) upgrade on the network edge may prepare the local area network for the coming convergence. Weigh the factors in moving forward or stay... Feature
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Interop Las Vegas 2010: New Arista Networks 10 Gigabit Ethernet modular switch
Arista Networks may be known for its top-of-rack switches, but now it's releasing its first Arista Networks 10 Gigabit Ethernet modular switch. The new Arista Networks 10 Gigabit Ethernet modular switch promises super speed and low power consumption,... Slideshow
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Force10 Networks lays out 40 Gigabit Ethernet switching roadmap
Force10 Networks says the future of the data center is in 40 Gigabit Ethernet switching products. So at Interop Las Vegas 2010, Force10 Networks is launching its 40 Gigabit Ethernet product roadmap -- and a speed war. Never mind that it'll be a while... Slideshow
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Open source networking: Mellanox introduces Open Ethernet
Data center switching vendor Mellanox will support open source software on its switches, giving customers more choice in how they run their networks. News | 12 Mar 2013
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Cisco Nexus 3548 and Arista 7150: Duelling ultra-low-latency switches
With the Nexus 3548 and the Arista 7150, Cisco and Arista each offer an ultra-low-latency switch with deep features and functionality. News | 20 Sep 2012
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IEEE explores new standards: 400 Gigabit Ethernet or Terabit Ethernet
With bandwidth demand growing, the IEEE formed a new consensus group to determine next Ethernet speed: 400 Gigabit Ethernet or Terabit Ethernet. News | 21 Aug 2012
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Fibre Channel over Ethernet face-off: Ready to use or unreliable?
Stuart Miniman and Stephen Foskett take opposing views on Fibre Channel over Ethernet. Is the FCoE standard ready to use or not yet reliable? You decide. Fast Packet | 18 Jul 2012
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End-to-end FCoE for network convergence won't work!
FCoE at the edge can be a step toward network convergence, but end-to-end FCoE needs a whole lot more engineering before it can be reliable. Fast Packet | 09 Jul 2012
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FCoE network convergence will start at the edge but move to the rack
Implementing FCoE network convergence is possible considering the move to 10 GbE and the emergence of data center bridging. Fast Packet | 05 Jul 2012
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No escaping network-based IT power management
Market forces will dictate that network managers get more involved in IT energy management. News | 03 Jul 2012
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Major shake-up of Cisco executives: engineering, acquisitions shuffled
Cisco announces longtime M&A chief Ned Hooper is leaving. CTO Padmasree Warrior takes over and Pankaj Patel assumes sole leadership of engineering. FAST PACKET | 26 Jun 2012
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Getting answers on HP OpenFlow and the HP 12500 data center switch
At Interop 2012 we uncovered the latest on the HP 12500 switch and learned what the HP OpenFlow strategy is really about. FAST PACKET | 11 May 2012
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Application-aware networking flies under radar at Interop 2012
At Interop 2012, clear signs emerge that application-aware networking is becoming a reality. Fast Packet | 10 May 2012
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Network performance testing considerations for a 40 GbE upgrade
Migrating to 40 GbE will require network performance testing that will take into consideration backplane throughput, jitter and the needs of an FCoE 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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Benchmarking core switches: Modeling techniques for switch testing
When it comes to benchmarking core switches, network managers find that testing tools are costly, so it may be worth using switch traffic modeling for testing core switch performance. Tip
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IEEE P802.3az Energy Efficient Ethernet: Small network power savings add up
Much energy is wasted while the network is idle. The IEEE P802.3az Energy Efficient Ethernet project aims to deliver major energy savings by combining many small network power savings, both economically and environmentally beneficial. Tip
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Checking for high-network utilization on a switched network
Learn the general approaches means for checking for high-network utilization on switched networks. Tip
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IEEE 802.3at: Power over Ethernet plus
802.3af Power over Ethernet (PoE) has been widely adopted for powering VoIP phones, wireless access points and a number of other network-connected products. But it provides a limited amount of power. In this tip, David Jacobs investigates the latest ... Tip
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Power over Ethernet for network engineers
This introduction to Power over Ethernet (PoE) is directed toward network engineers and discusses how the technology works, its power capabilities and some benefits it provides for the network administrator or manager. Tip
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The growing complexity of IP networks, Part 1
IP networking has been complicated by a number of "new" developments such as IPv6, Gigabit Ethernet and wireless. Let's look at how each of these developments impacts our networks. Tip
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Do you want to overprovision?
Check the right numbers before you just add bandwidth. Tip
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Check your cabling distance
This member-submitted tip reminds us that lengthening cables can reduce collision rates. Tip
- See more Tips on Ethernet
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How cost-effective is top-of-rack switching?
Expert Carrie Higbie explains that top-of-rack switching may mean higher costs due to an oversubscription of ports that you don't need and can't use. Answer
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Will FCoE architecture replace Fibre Channel?
There's been much hype over Fibre Channel over Ethernet (FCoE) architecture; expert Carrie Higbie doesn't think it will ever replace Fibre Channel. Answer
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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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What power supply problems do 802.11n wireless networks pose?
The power supply requirements demanded of 802.11n wireless networks won't be affordable for enterprises until the IEEE standard and supporting network hardware are approved and have caught up. Here are some options for fixing this problem while you w... Ask the Expert
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Minimum and maximum Ethernet frame sizes
In this Q&A, our network administration expert addresses Ethernet frame sizes, as well as minimum and maximum sizes of Ethernet frames that carry IP and ICMP. Ask the Expert
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Where is Carrie Higbie's most recent advice?
To view networking infrastructure and project management expert Carrie Higbie's latest advice, see her Public Profile on the IT Knowledge Exchange. Ask the Expert
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What makes a WAN different from a LAN and MAN?
Learn the basics of networking in this expert explanation of the differences between WANs, LANs and MANs -- how they connect and which protocols they use. Ask the Expert
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What's the Ethernet packet collision rate in Windows OS?
Is there a way to know the Ethernet packet collision count/rate in a Windows OS? Find out in this answer from our networking fundamentals expert, Chris Partsenidis. Ask the Expert
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Can 802.11 protocols be used with GPRS connectivity?
Can 802.11 protocols be used with GPRS connectivity? Find out from our wireless networking expert, Lisa Phifer. Ask the Expert
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How does asynchronous transfer mode differ from existing network technologies?
Learn how asynchronous transfer mode (ATM) differs from existing network technologies in this response from our networking infrastructure expert, Carrie Higbie. Ask the Expert
- See more Expert Advice on Ethernet
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10 gigabit Ethernet (10 GbE)
10 gigabit Ethernet is a telecommunication technology that offers data speeds up to 10 billion bits per second. It differs from traditional Ethernet in that it is a full-duplex protocol and does not require Carrier Sense Multiple Access/Collision Det... Definition
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Power over Ethernet (PoE)
Power over Ethernet (PoE) is a technology for wired Ethernet LANs (local area networks) that allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords Definition
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AARP (AppleTalk Address Resolution Protocol)
AARP (AppleTalk Address Resolution Protocol) is a way to map between the physical hardware addresses of computers, such as those known to an Ethernet or token ring local area network, and their temporarily assigned AppleTalk network addresses. Definition
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cyclic redundancy checking
Cyclic redundancy checking is a method of checking for errors in data that has been transmitted on a communications link. Definition
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MDI/MDIX (medium dependent interface/MDI crossover)
MDI/MDIX is a type of Ethernet port connection using twisted pair cabling. Definition
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Carrier Sense Multiple Access/Collision Detect (CSMA/CD)
Carrier Sense Multiple Access/Collision Detect (CSMA/CD) is the protocol for carrier transmission access in Ethernet networks. Definition
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TCP/IP offload engine (TOE)
The TCP/IP offload engine (TOE for short) is a technology that is gaining popularity in high-speed Ethernet systems for the purpose of optimizing throughput. Definition
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Ethernet Glossary
After you've finished, you can test your knowledge with Quiz #28: Ethernet. Definition
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pseudowire
Pseudowire ( sometimes spelled as pseudo wire or abbreviated as PW) is a mechanism for emulating various networking or telecommunications services across packet-switched networks using Ethernet, IP, or MPLS... (Continued) Definition
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NWay
NWay is a telecommunications protocol used with Ethernet networking devices (such as router and switch) to automatically negotiate the highest possible common transmission speed between two devices. Definition
- See more Definitions on Ethernet
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Enterprise network testing: What engineers forget to do
For reliable enterprise network testing, network engineers must test entire architectures as opposed to specific points on the network. Video
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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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Power over Ethernet podcast
This podcast discusses the emergence of Power over Ethernet and its many benefits to enterprise networks. Is the technology ready yet for mainstream adoption? Is it ready yet for your network? Let's find out… Podcast
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10 gigabit Ethernet (10 GbE)
10 gigabit Ethernet is a telecommunication technology that offers data speeds up to 10 billion bits per second. It differs from traditional Ethernet in that it is a full-duplex protocol and does not require Carrier Sense Multiple Access/Collision Det... Definition
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Preparing for the 40 GbE migration
Transitioning from 10 Gigabit Ethernet to 40 GbE and beyond promises incredible network efficiency; this guide will help you plan the upgrade. guide
-
Open source networking: Mellanox introduces Open Ethernet
Data center switching vendor Mellanox will support open source software on its switches, giving customers more choice in how they run their networks. News
-
Will we ever need 400 Gigabit Ethernet enterprise networks?
With 40 and 100 Gigabit Ethernet so new, what could possibly drive the need for 400 Gigabit Ethernet in the enterprise? Hint: It’s not just the WAN. Feature
-
The 100 Gigabit Ethernet management challenge: Do tools exist?
When it comes to 100 Gigabit Ethernet, network monitoring tools fall short. Analyst Jim Frey explains which tools are ready and which must change. Feature
-
40 Gigabit Ethernet: The migration begins
Experts and early adopters of 40 Gigabit Ethernet share successes and pitfalls. Feature
-
Let the 40 Gigabit Ethernet migration begin
The need for capacity and speed explodes as network teams build private and hybrid clouds and deliver video throughout their campuses and branch offices. So even if they don’t need 40 GbE today, they’ll need to build networks that can be transitioned... E-Zine
-
Cisco Nexus switches: Layer 2 configuration strategies
In this chapter, you'll learn the basics of Cisco Nexus switches and configuration of Layer 2 networking. Book Chapter
-
Cisco Nexus 3548 and Arista 7150: Duelling ultra-low-latency switches
With the Nexus 3548 and the Arista 7150, Cisco and Arista each offer an ultra-low-latency switch with deep features and functionality. News
-
Is Cisco doing enough to reduce network power consumption?
Better power supplies and fans are not enough to reduce network power consumption. It's time for network vendors to rethink chip design and packaging. Fast Packet
- See more All on Ethernet
About Ethernet
Ethernet LANs are more complex than ever. You'll find what you need to know to make them run flawlessly here, as well as information on how to upgrade to Gigabit Ethernet, 10 Gigabit Ethernet, and Power over Ethernet (PoE).