The Aruba 8400 ArubaOS-CX Network Operating System
In this multi-part series, Ethan Banks reviews the Aruba 8400 chassis switch after his attendance at the launch event in August 2017.
View ArticleThe Aruba 8400 Chassis Switch. Yes, But Why?
In this multi-part series, Ethan Banks reviews the Aruba 8400 chassis switch after his attendance at the launch event in August 2017.
View ArticleThings Network Engineers Hate
Contextless network requests, stupid network tricks, and the pressures of time. Why do they exist, and what can be done about them?
View ArticleUnderstanding Wireshark Capture Filters
Do you know what "ip and (not ip[1] & 0xfc == 0x0)" means? After reading this article on Wireshark capture filters, you will.
View ArticleSD-WAN As A Tool For Network Mergers And Acquisitions
Thinking through SD-WAN technology, I see a potentially quick connectivity option for mergers and acquisitions that’s better than a quick and dirty IPSEC tunnel or even DMVPN. What does SD-WAN offer...
View ArticleNoction Announces Intelligent Routing Platform for Public Cloud
Noction announced their Intelligent Routing Platform for Cloud. Think smarter outbound BGP for your AWS VPC.
View ArticleDocument So You Can Go On Vacation
Here's 8 tips for creating useful IT process documentation so you can actually take a vacation now and then.
View ArticleThe Most Fragile Engineers I Know
You've probably seen those social media posts that list traits or habits of successful people. Here's a list of traits from an IT engineering perspective that you don't want to emulate.
View ArticleSetting Up A Python Environment – Where To Develop?
Setting up Python on the MacOS can be a challenge. Here's seven options the community suggested to create a less fragile development environment.
View ArticleA Glimpse At Two Approaches To Segment Routing
This is a brief overview of two methods of segment routing: SR-MPLS and SRv6. I provide a quick comparison of the two approaches, and examine some of the challenges facing SRv6.
View ArticleThe Technology Case For Wi-Fi 6
Here's a brief technical overview of Wi-Fi 6, also known as 802.11ax, to help get you up to speed and ask the right questions for when you consider an upgrade. We cover OFDMA, whether Wi-Fi 6 means...
View ArticleUpgrade Now Or Wait? The Business Case For Wi-Fi 6
As the latest WLAN standard (802.11ax or Wi-Fi 6) makes its way to final ratification, vendors are releasing APs. But should you deploy now? This article explores the reasons for early adoption, as...
View ArticlePacket Walking Through A 128 Technology Network
128 Technology (128T) makes routers. But...they don't make routers in the way you'd normally think of. Instead, a 128T network makes security and traffic engineering features first class citizens along...
View ArticleWhat I Want In A Root Cause Analysis Tool #TFD20
Your non-technical boss doesn't pop by your desk and ask you why there are excessive OutDiscards accumulating on Et4/0/36. You get asked why the network is slow, or why the CRM application is down....
View ArticleUnderstanding Scale Computing HC3 Edge Fabric #TFD20
With HC3 Edge Fabric, Scale Computing has created a networking architecture that reduces the hardware requirement for the edge computing cluster. There's one less switch to worry about. There are fewer...
View ArticleSR(x)6 – Snake Oil Or Salvation?
It seems to me that point of SRv6 from a vendor perspective is to move metal and create a new platform ecosystem. Cisco and Juniper (and all of them) always need new income streams, and so they want to...
View ArticleDon’t Become A Developer, But Use Their Tools
This post originally appeared in the October 1st 2020 issue of Human Infrastructure, a free newsletter from the Packet Pushers. If you’d like to get a weekly dose of commentary, links to tech blogs,...
View ArticleFree Networking Icons For Diagrams
Behold these three different sets of free networking icons for your glorious diagrams! There's something here for you whether you're seeking vector graphics, JPG, PowerPoint, or Visio. And from all of...
View ArticleGive The Network Designer That Came Before You A Break
When you take over a network as a technical lead, you often run into design elements that make you do a spit-take. They did WHAT? Really? Were they...stupid? Clueless? Stupid AND clueless? Maybe they...
View ArticleStable: GNS3 2.2.17 + VMware Fusion 12.1.0 + macOS 11.1 (Build 20C69)
Even with minor caveats, I seem to be in a better place with macOS 11.1 Big Sur versus macOS 10.15.7 Catalina. And I'll take being able to run GNS3 labs without kernel panics as a big win.
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