Greg Ferro

Author Archives: Greg Ferro

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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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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Heavy Networking 635: Unified Network Fabrics With Juniper Apstra (Sponsored)

In today’s sponsored Heavy Networking we talk to Juniper Apstra about how how Apstra delivers on unified data center operations, why fabrics are everywhere, how Apstra differs from other automation and intent solutions, and more. Our guest is Mansour Karam, VP of Product Management.

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HS025 Did You Know Your IT is a Crime Scene ?

Does planning for cybersecurity failure include the concept of 'crime scene' ? Can you provide evidence to an external investigation sufficient to get justice or simply prove to insurance investigator that you met the policy requirements ? Should you be lobbying governments ? How does this drive your cyber spending - defense, microsegmentation, detection or evidence collection ?

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Heavy Networking 633: Building DPU Apps With NVIDIA DOCA (Sponsored)

In today's Heavy Networking podcast, sponsored by NVIDIA, we explore DOCA on Bluefield DPUs. DOCA is a runtime operating system on the DPU including tools for provisioning, deploying, and orchestrating containerized services. It's also an SDK to supports a range of operating systems and distributions and includes drivers, libraries, and tools. Our guests are Justin Betz and Wes Kennedy, both Technical Marketing Engineers with NVIDIA.

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Heavy Networking 633: Building DPU Apps With NVIDIA DOCA (Sponsored)

In today's Heavy Networking podcast, sponsored by NVIDIA, we explore DOCA on Bluefield DPUs. DOCA is a runtime operating system on the DPU including tools for provisioning, deploying, and orchestrating containerized services. It's also an SDK to supports a range of operating systems and distributions and includes drivers, libraries, and tools. Our guests are Justin Betz and Wes Kennedy, both Technical Marketing Engineers with NVIDIA.

Whoop Dee Doo for my SuzieQ! » The Gratuitous Arp

Blog post on using SuzieQ for change validation by collecting state information prior to change. Lots of detail on installation and coding so you can do this yourself.  The PRE snapshot was just that, a snapshot of state at a point in time before we started the work. If a device was not on the […]
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