Category Archives: Uncategorized

In my last blog I wrote about building ZTP configurations for SONiC switches using the data in NetBox. This post will explain how those configurations are served to these devices without the need for any human intervention. The key elements … Continue reading →

When I was hired at eBay one of the first tasks I was given was to find an easy way to swap switches within a rack to help facilitate testing of various SONiC platforms. I knew this as ZTP from … Continue reading →

When I started working with the hardware team at eBay I was shocked to learn that they were tracking ALL of their assets with Wiki and spreadsheets. Everything was static, all of the IP addresses, the hardware locations, serial numbers, … Continue reading →

I was hired onto the Hardware Platform Engineering team at eBay just as they started getting ready to deploy their next-gen 400G network that was using SONiC, an open source network operating system. The team is in charge of validating … Continue reading →

The Network team took our traffic generator so we needed to build our own using (4) servers with (8) 100G NIC’s. Here is the design I came up with to build our own “home brew” traffic generator used to saturate … Continue reading →

DNS over TLS is a big step in fixing a badly designed protocol, at least in terms of privacy, but it still leaves you having to trust the endpoint with all of that data that you are trying to keep … Continue reading →

I updated my 2009 macbook pro this weekend from 10.11 (last supported OS) to 10.15. The best part about it all is that the computer runs FASTER with Catalina installed then it did with El Capitan! It’s possible that this … Continue reading →

Happy to say that I passed my CCNP re-certification after letting it expire in 2016. It felt good getting back in the lab and running through various routing and switching problems. I used EVE-NG to study with, it’s simply amazing … Continue reading →

Website is back online after a small hiatus. I’m pretty sure my old wordpress instance had been hacked so I nuked the entire site and left it dormant for awhile. Now I’m starting to rebuild it to highlight some of … Continue reading →