Greg Ferro

Author Archives: Greg Ferro

Is Automation A Full-Time Career?

This post originally appeared on the Packet Pushers’ now-defunct Ignition site on September 17, 2019.   I have a lot of respect for people who focus on network automation and the people at Network To Code are top notch at helping and giving to open source. However, I do mostly disagree with this take on […]

The post Is Automation A Full-Time Career? appeared first on Packet Pushers.

The Best Outcome Of Automation? Visibility

This post originally appeared on the Packet Pushers’ now-defunct Ignition site on October 28, 2019.   I was recently asked a question about the best business outcome of automation. My immediate thought was improved speed of operations by mechanizing operational tasks, like automated software upgrades, creating VLANs, updating ACLs or routing, and so forth. This […]

The post The Best Outcome Of Automation? Visibility appeared first on Packet Pushers.

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 […]

The post Is Security A Feature Or A Product? appeared first on Packet Pushers.

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 […]

The post Possible Impacts Of Covid-19 On Data Networking appeared first on Packet Pushers.

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 […]

The post Analysis: Will Your Security Infrastructure Be Determined By Your Cyberinsurance? appeared first on Packet Pushers.

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 […]

The post Reading: The Case for a Mostly Open Internet appeared first on Packet Pushers.

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 […]

The post Optics Are More Important Than Your Switches At 400G appeared first on Packet Pushers.

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 […]

The Network Anyverse

An explanation of my Network Anyverse Strategy. Normal practice for data networking was that technology was narrow: fixed bandwidth, focus on selected technology, and there were only service I  look at the progression of Networking in the new future that I sometimes call the Four A’s:  Anyhow Anywhere Anytime Anyway Anywhere Distributed work means that […]
1 2 3 62