Network Switches

Network Switches news, trend analysis and opinion

David Goeckeler Executive Vice President and General Manager of Cisco's Networking and Security Busi
chuck robbins cisco ceo

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Arista applies cloud principles to campus networks

With its Cognitive Campus, Arista Networks brings the benefits of its spline, CloudVision and EOS operating system to the campus network.

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Cultivating an app-first mentality in enterprise network management

Today’s applications require stability and reliability, enabled by transparency.

Cisco Nexus 9615

Cisco emboldens its disaggregation strategy

Cisco is separating the operating system and applications from the underlying hardware, and it is making it possible to host apps on certain switches and routers.

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Requests for Cisco Catalyst 9300 are up … what’s the intent?

Interest in Cisco's Catalyst 9000 switches is up considerably. But looking at the specs, smaller networks should probably stay away from them.

Network World - Insider Exclusive [Winter 2018] - Intent-Based Networking [IBN] - cover

Getting grounded in intent-based networking

This package provides essential information to help networking pros weigh if and when to jump in on IBN.

The rise of modular plug terminated links

Developing new LAN cabling standards is an arduous process that takes many years. Most standards development work centers around higher performance cable and connectors to support new applications like 10, 25 and 40 gigabit Ethernet....

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Cisco adds telemetry to storage networks

Cisco MDS 9123T FC switch with integrated telemetry helps customers analyze SAN operations better, remediate problems faster and proactively handle issues.

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Tempered Networks extends Bring Your Own Network across the enterprise

Tempered Networks makes it easy for non-networking professionals to instantly create their own secure overlay networks, eliminating the need for network operations to be involved.

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The King is dead?! Heck, no!

Aside from being a major revenue stream, the Cisco 6500 chassis family remains a solid platform that Cisco has made extensible by creating the Catalyst 6800 family.

Network Networking Ethernet

Ethernet frames and packets: what’s the difference?

When discussing Ethernet data, the terms frame and packet are often used interchangeably. Frames and packets are the electronic containers that carry our data from point-to-point by navigating LANs and WANs and, as they both serve...

Cisco Nexus 9615

Cisco's Nexus 9516 review: About line rate

For the purposes of testing network gear, what is the appropriate definition of 'line rate'?

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Cisco Nexus 9516 review: How we did it

Details on the test bed and procedures for the densest switch test Network World has performed.

Cisco Nexus 9615

Cisco Nexus 9516 data center switch aces a grueling high-density stress test

Our test of a Cisco Nexus 9516 with 1,024 fully loaded 50G Ethernet ports - the highest density core-switch test ever done by Network World - found it capable of handling the strain without dropping a packet.

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Lenovo ThinkSystem product barrage targets data centers

Lenovo is taking on Dell EMC and HPE with its biggest portfolio refresh since it acquired IBM's x86 server business three years ago, offering a lineup of servers, switches, SAN arrays and converged systems intended to show that it's a...

arista

Arista’s new solutions sets the standard for cloud scale

Zeus Kerravala believes the cloud will have a negative effect on many technologies, such as spinning disks (not flash) and rack mount servers, but the network does not fall into this category.

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Hyperscale data centers are pushing the limits in the Gigabit Ethernet switching market

For the first time since their debut on the market in the mid-2000s, 10 Gigabit Ethernet switches are set to lose share in the networking industry this year as service providers and hyperscale customers continue to adopt faster...

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4 resources to find free Cisco skills and certification labs

Cisco offers a wealth of instruction - some of it free - for increasing networking skills or prepping for certification exams.

aruba networks 8400 core switch

Aruba announces campus core switch for the digital enterprise

The Aruba 8400 switch’s programmability, automation, monitoring and analytics capabilities allows customers to spend more time working on strategic initiatives.

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