Ethernet
Ethernet is the traditional technology for connecting devices in a wired local area network (LAN) or wide area network (WAN).. See complete definition.
Top Stories
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Tip
11 Nov 2021
4 ideas for network cable management best practices
When organizing cable clutter, network engineers should follow some common best practices, including the use of cable labels, cable ties and proper documentation. Continue Reading
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Tutorial
21 Oct 2021
What are the different types of network cables?
The main types of network cables are coax, fiber optics, and shielded and unshielded twisted pair. As enterprises deploy new technologies, it's critical to select the right cables. Continue Reading
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Answer
15 Jul 2021
What does the 0.0.0.0 IP address mean and why is it used?
One of a few special-purpose addresses, IP address 0.0.0.0 has several applications in networking. It stands in as a placeholder address, identifies a default route and more. Continue Reading
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News
01 Nov 2018
How Cisco 400 GbE switches compare with Arista's
The introduction of Cisco's 400 GbE switches comes a week after Arista unveiled its hardware. The products differ in merchant silicon, optical connectors and backward compatibility. Continue Reading
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Tip
03 Oct 2018
Time-sensitive networking standards could boost industrial control
With the help of VLAN priority levels, time-sensitive networking can make packet flow more predictable. The technology could especially benefit the factory floor. Continue Reading
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News
15 Aug 2018
New Dell EMC 100 GbE switch tailored for east-west traffic
The latest Dell EMC 100 GbE switch is an open system aimed at service providers and large enterprises. The Z9264F is a 2RU system, with 64 100 GbE ports. Pricing starts at $45,000. Continue Reading
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News
24 Jul 2018
Juniper preps 400 GbE across PTX, MX and QFX hardware
Juniper will ship 400 GbE in PTX, MX and QFX routers and switches over the next 12 months. Cisco and Arista are expected to follow with their 400 GbE products as demand from service providers rises. Continue Reading
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Opinion
23 Jul 2018
New details released on Huawei's intent-based network
ZK Research offers details on Huawei's new Intent-Driven Network and what its hardware and the software can do to smooth network glitches and even raise security. Continue Reading
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News
20 Jul 2018
Startup Arrcus aims NOS at Cisco, Juniper in the data center
Startup Arrcus has launched a scalable network operating system aimed at all switching tasks in the leaf-spine network. The new ArcOS is a NOS alternative to Cisco and Juniper. Continue Reading
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News
12 Jul 2018
IT spending shows cloud-focused data center architectures
Corporate IT spending shows companies are revamping data center architectures in preparation for a multi-cloud future. Continue Reading
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News
28 Jun 2018
Juniper adds core campus switch to EX series
Juniper has added to the EX series a core aggregation switch for companies that need less scale than the EX9000. The compact EX4650 campus switch supports the EVPN and VXLAN protocols Continue Reading
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News
04 May 2018
Verizon SDN used to manage legacy Cisco, Juniper routers
Verizon has built a software-defined networking controller for its legacy routers. The Verizon SDN technology is being used on Cisco and Juniper hardware delivering Ethernet services. Continue Reading
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Tip
02 Apr 2018
Improvements and features of the new POE standard, IEEE 802.3bt
The new IEEE 802.3bt standard focuses on Power over Ethernet to improve efficiency and support the proliferation of edge devices, from lighting systems to point-of-sale. Continue Reading
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News
16 Mar 2018
Ethernet bandwidth costs fall to a six-year low
Ethernet bandwidth costs in data center switches fell to a six-year low in 2017. Crehan Research reported cloud provider demand for speed was behind the drop. Continue Reading
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Answer
07 Mar 2018
Can cable be reused when upgrading 802.11ac wireless LAN?
Is it better to repurpose legacy cabling when planning an 802.11ac wireless LAN upgrade, or does it make sense to buy new? Like many things networking, it depends. Continue Reading
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Tip
20 Feb 2018
OK of 400 Gigabit Ethernet adds horsepower to data centers
Final approval of the 400 Gigabit Ethernet standard will provide data centers and cloud providers with the extra capacity they need to meet ever-rising data demands. Continue Reading
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Opinion
15 Feb 2018
Consider the Ethernet option for primary SD-WAN connectivity
SD-WAN connectivity offers the ability to use a variety of links. While most enterprises opt to use cable or DSL as the primary link, Ethernet could be the better option. Continue Reading
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Opinion
15 Feb 2018
Wide area Ethernet can fuel digital network transformation
Wide area Ethernet might be just what the doctor ordered to help enterprises propel their digital network transformation efforts. Continue Reading
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News
30 Oct 2017
Ethernet switch market trends show 40 GbE losing share
The global Ethernet switch market grows, according to IHS Markit, while ThousandEyes focuses on device health and network visibility. Riverbed and Teneo team up on new service. Continue Reading
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News
19 Apr 2017
Avaya unveils platform for virtualized network functions in the campus
Avaya has introduced a platform for taking virtualized network functions to campus networks. New products include an operating system and orchestration engine. Continue Reading
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News
23 Jan 2017
IT infrastructure market jumps by 8% as Ethernet sales grow
The IT infrastructure market grows by 8%, while HPE acquires SimpliVity and Barefoot Networks strikes a chip deal with vendors. Continue Reading
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News
19 Jan 2017
Enterprises finding high value in 25 GbE, 100 GbE switches
Research finds shipments of 25 GbE and 100 GbE switches are outpacing 10/40 GbE hardware, as companies find more value in the higher-bandwidth gear. Continue Reading
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News
20 Dec 2016
Networking decides between modern Ethernet standards
This week, bloggers discuss the debate between modern Ethernet standards, compare network management to landlords and examine 2017 cybersecurity threats. Continue Reading
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News
21 Jun 2016
Pica8 open switching OS supports 25/50/100 GbE
Pica8 introduces open switching OS for 25/50/100 GbE. The use of higher throughput switching is growing in mega data centers. Continue Reading
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News
20 May 2016
Cisco sales down in switching; up in software, services
Cisco sales last quarter revealed weakness in its switching and router business, as revenue from software subscriptions and cloud-based services increased. Continue Reading
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News
23 Mar 2016
100 Gigabit switch sales soar
100 Gigabit Ethernet switch sales pace growth of market in '15, Comcast Business partners with AWS, and Nomadix deploys Deep Packet Inspection platform. Continue Reading
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News
22 Feb 2016
Arista: Demand for 25/50 Gigabit Ethernet switches to rise
Arista Networks expects sales of its new 25/50 Gigabit Ethernet switches to pick up this year after a slow start. Continue Reading
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News
29 Jan 2016
Juniper targets DCI technology market for growth
Juniper Networks sees sales growth in metro networks and the DCI technology market. Continue Reading
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News
15 Jan 2016
Cisco leads, HPE gains in key tech infrastructure markets
Cisco led in six of seven key tech infrastructure markets last year, while Hewlett Packard Enterprise gained strength in several of the sectors, a research firm reported. Continue Reading
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News
14 Dec 2015
Ethernet switch market makes gains
IDC probes the Ethernet switch market, Gigamon improves network visibility and Riverbed survey of 900 IT illustrates application performance fears. Continue Reading
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News
29 Sep 2015
HP adds Pica8 to broaden use of Altoline SDN switch
HP agrees to resell the Pica8 network operating system on the Altoline SDN switch. Continue Reading
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Feature
03 Jun 2013
What is Ethernet-dedicated Internet?
Ethernet-dedicated Internet is a continuous, high-bandwidth way for enterprises to connect their LANs to the public Internet and to streamline the performance of their WAN. Continue Reading
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Feature
29 Nov 2012
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. Continue Reading
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Tip
17 May 2006
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 developments in 802.3at PoE, designed to deliver more power to each device. Continue Reading
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Answer
07 Mar 2005
Can I connect two computers through Ethernet on a WAN?
Can I connect two computers through Ethernet on a WAN? Continue Reading
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Answer
19 Jan 2005
What are the advantages of 10 Gigabit Ethernet?
Learn about the advantages of using 10 Gigabit Ethernet for your corporate network, in this Ask the Expert response. Continue Reading
