Formatted CLI Data Is Not Good Enough For Automation
If you're learning to interact with Infrastructure as Code (IaC), you'll need to get accustomed to structured data, which is different from formatted data you're likely accuomsted to with the CLI. Here's some examples of structured data to help you understand the difference.
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Is Security A Feature Or A Product?
This post originally appeared on the Packet Pushers’ Ignition site on July 9, 2019. Premise: I would be cautious about a vendor who sells security as a product or a critical/primary feature. Security-as-a-product is coming to an end. We need to return to making the things we already have work efficiently. There is only so […]
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Possible Impacts Of Covid-19 On Data Networking
This post originally appeared on the Packet Pushers’ Ignition site on April 22, 2020. In this post I review what might happen to networking when we return to work. We won’t return to normal, but we will be back at work. To start, here are nine ideas about the pandemic’s impact, divided into two […]
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Heavy Networking 637: The Ongoing Evolution Of Arelion’s Global Network (Sponsored)
On today's Heavy Networking podcast we talk with sponsor Arelion about how it continues to build and maintain global IP networks, and why you should be considering them for your backhaul needs.
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Heavy Networking 637: The Ongoing Evolution Of Arelion’s Global Network (Sponsored)
On today's Heavy Networking podcast we talk with sponsor Arelion about how it continues to build and maintain global IP networks, and why you should be considering them for your backhaul needs.Analysis: Will Your Security Infrastructure Be Determined By Your Cyberinsurance?
This post originally appeared on the Packet Pushers’ now-defunct Ignition site on October 1, 2019. Insurance companies that offer cyberinsurance policies are looking at ways to reduce their risk (and improve profit margins) by discounting for companies that deploy reviewed and approved technologies. Company executives will make decisions about the cost and value of […]
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Reading: The Case for a Mostly Open Internet
This post originally appeared on the Packet Pushers’ Ignition site on January 14, 2020. There is a slow but steady trend for Governements’ to take back control of internet in their countries. For China the “great firewall” is now a rigid access control on content. Russia has been progressing changes to to be isolate itself […]
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Kubernetes For Network Engineers: Lesson 2 – Services, Nodeports, And Load Balancers – Video
This lesson walks through the basics of reaching an application running in a Kubernetes pod. Instructor Michael Levan brings his background in system administration, software development, and DevOps to this series. He has Kubernetes experience as both a developer and infrastructure engineer. He’s also a consultant and Pluralsight author, and host of the “Kubernetes Unpacked” […]
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IPv6 Buzz 104: IPv6 For Redundancy When IPv4 Fails
In this IPv6 Buzz episode we talk about the benefit of IPv6 connectivity when IPv4 fails. We examine the types of IPv4 failures, how IPv6 behaves during IPv4 failure, application dependencies, and more.
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IPv6 Buzz 104: IPv6 For Redundancy When IPv4 Fails
In this IPv6 Buzz episode we talk about the benefit of IPv6 connectivity when IPv4 fails. We examine the types of IPv4 failures, how IPv6 behaves during IPv4 failure, application dependencies, and more.Day Two Cloud 153: IaC With GPPL Or DSL? IDK
On Day Two Cloud we’ve had a lot of conversations about using infrastructure as code. We’ve looked at solutions like Ansible, Terraform, the AWS CDK, and Pulumi. Which begs the question, which IaC solution should you learn? A Domain Specific Language (DSL)? A General Purpose Programming Language (GPPL)? Something else? We discuss.HS027 Broadcom and VMware – What’s Gonna Happen?
Cold takes on the Broadcom/VMware acquisition. We consider Broadcom's stated goal to increase VMW profit margin from 35% to 65% and what this will mean to customer experience.
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HS027 Broadcom and VMware – What’s Gonna Happen?
Cold takes on the Broadcom/VMware acquisition. We consider Broadcom's stated goal to increase VMW profit margin from 35% to 65% and what this will mean to customer experience.
Tech Bytes: Maximize Network Data With Nokia’s Streaming Telemetry (Sponsored)
On today's Tech Bytes podcast we discuss the value of streaming telemetry in a modern network with sponsor Nokia. Nokia's SR-Linux network OS enables streaming telemetry, so let's dive into the value of telemetry, how the OS supports it, and options for consuming the telemetry to do useful things with it.
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Tech Bytes: Maximize Network Data With Nokia’s Streaming Telemetry (Sponsored)
On today's Tech Bytes podcast we discuss the value of streaming telemetry in a modern network with sponsor Nokia. Nokia's SR-Linux network OS enables streaming telemetry, so let's dive into the value of telemetry, how the OS supports it, and options for consuming the telemetry to do useful things with it.Ansible For Network Automation Lesson 3: Ansible Modules Overview – Video
In lesson 3 of this course about Ansible for network automation, Josh VanDeraa covers the lab environment used in this course, reviews the Ansible Network Modules documentation page, and look at the parameters of an Ansible module to know what’s required and what the response will be. Josh has created a GitHub repo to store […]
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Ansible For Network Automation Lesson 4: Gathering Device Information – Video
In this installment of the series on Ansible and network automation, Josh VanDeraa looks at how to update an Ansible config file, gather data from various devices using command modules including IOS, and use ios_facts to get IOS-specific information from IOS devices. Josh has created a GitHub repo to store additional material, including links and […]
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Network Break 388: Cloudflare Diagnoses Widespread Outage; EU Pumps Brakes On Broadcom/VMware
Today's Network Break podcast discusses new SASE features from Cloudflare, a Cloudflare outage and its post-mortem, why EU regulators want a closer look at Broadcom's proposed VMware acquisition, and more IT news.Optics Are More Important Than Your Switches At 400G
This post originally appeared on the Packet Pushers’ Ignition site on January 9, 2020. This slide from the Cisco Live BRKOPT-2006 presentation on “Preparing for 400 GbE” jumped out at me. I recommend you download the whole presentation and keep it for future reference. It’s an excellent resource with lots of useful information. Optics […]
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Six Coaching Principles That Took Me Years to Learn
This post is overdue. Perhaps by a few years. Finally, earlier this week, I saw a few posts on Reddit that made me thumb through stacks of papers to find my initial draft. What comes here, at its finest, is merely personal experience. I would call the lesson “established rules” if I had enough scientific […]
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