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Subnetting: Brushing up on the fundamentals

Subnetting and creating subnet masks is often outsourced to consultants, but doing it yourself can be both challenging and rewarding.


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Verizon launches 5G fixed wireless in parts of 21 more cities

Verizon's 5G Business Internet offerings run from 100Mbps to 400Mbps for enterprise and SMBs with no data limits and a 10-year price lock for new customers.


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Linux commands for testing connectivity and transfer rates

Here are five Linux commands that can verify connection speeds, analyze delays, and test whether other systems are reachable.


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VMware bundles support for the branch-of-one workforce

VMware's new Anywhere Workspace packages networking, SASE, cloud security, and access control.


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Weekly internet health check, US and worldwide

ThousandEyes, which tracks internet and cloud traffic, provides Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS


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Water-authority network upgrade spots problems faster

The need for greater visibility into remote systems helped prompt a large-scale network upgrade for the Albuquerque Bernalillo County Water Utility Authority.


datacenter / server room / servers / data streams

Cisco tool opens telemetry for advanced network, security analytics

Cisco Telemetry Broker works across enterprise siloes and has no ties to proprietary protocols or data.


CSO > IoT / Internet of Things, unencrypted/unsecured/vulnerable

TCP/IP stack vulnerabilities threaten IoT devices

The latest in a long line of vulnerabilities in a key part of the networking stack threatens a major open-source operating system, printers and medical IoT devices.


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Round-up of Nvidia GTC data-center news

From hardware leasing to AI tools we’ve got at least a partial roundup of announcements.


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VMware, Dell split to form independent firms

VMware and Dell say separating gives both companies financial flexibility but lets them continue to grow their technology-development partnership.


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Taking control of your Ubuntu desktop

Ubuntu gives you control of what files show up on your desktop – even if they're not in your Desktop folder.


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10 of the best ways to get help on Linux

There are many ways to get help while working on the Linux command line. Here are details on some of the most useful.


sd-wan

AT&T picked as top managed-SD-WAN provider for the third year

AT&T, Hughes, and Verizon scored first, second, and third in a ranking of managed-SD-WAN service providers by Vertical Systems Group market research.


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Nvidia announces a 2023 launch for an HPC CPU named Grace

CPU is meant to fill the server processor hole in Nvidia’s product line but details are scant.


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Cisco DevNet certifications: 10k awarded in first year

Cisco’s revamped DevNet certification portfolio focuses on network programing, automation and application development, and those software-based skills have never been more important.