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Introduction In a previous entry, I described my thoughts on using VXLAN to replace MPLS for L2VPNs across a network. After reading through it, I decided to go back and re-do the configuration examples a bit, to make things a bit more like a backbone with several hops between the customer routers. This entry will outline those changes and…
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Introduction In a previous entry, I chronicled my self-education regarding Cumulus’ OS and how to do EVPN VXLAN with it. Throughout this entry, I’ll be referring back to that document, including some of the diagrams, configurations, etc. This entry will explain another use for VXLAN, and that’s running it instead of MPLS to handle L2VPNs across a network. That…
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Introduction State-tracking firewall devices are commonly deployed at the border of data centers, office networks, and other corporate environments where precious IP needs to be kept out of the hands of others. My opinion of these firewall devices is that they should be avoided at all costs, and I’ll get into that later. Sometimes we’re forced to deploy things…
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Introduction and Purpose Introduction Almost three years ago, I wrote this long and detailed post about building a VXLAN-enabled virtual lab on a KVM hypervisor, using Arista’s vEOS image. Prior to that, I also wrote up this post regarding the ideas around using VXLAN for spanning L2 across an L3 infrastructure. In the second post, I wrote about the…
This won’t be a large post at all; rather a quick follow up to a my first post on this topic. To summarize: If I have 1 4K/144Hz and 2 4K/60Hz displays connected to my NVidia Titan X Pascal card, each display works at its maximum refresh rate. If I connect a fourth display to the card, the 144Hz panel…
Introduction I play a lot of Ubisoft’s Rainbow Six: Siege online. I queue up with buddies sometimes, and other times I solo-queue. Sometimes I play Ranked, and other times I play Casual. Recently, there’s been a bad outbreak of cheating in Siege, and it’s hitting both Ranked and Casual. A lot of Siege Twitch streamers and YouTubers have openly and…
Good luck struck me recently and I was able to get my hands on the brand new Asus ROG Swift PG27UQ display. This 27″ LCD can do 4K at 144Hz and features NVidia’s GSync technology. It’s not an inexpensive display at $2000. Nor is it readily available yet. I was fortunate enough that my local Microcenter had six of them…
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Introduction In my Twitch Streaming Setup entry, I spent a section discussing my Mackie DL32R rack-mounted mixer, and how I have it connected up between the 2 PCs. The purpose of today’s entry will be to discuss how I have the DL32R actually configured from an input, output, and routing perspective. I understand that the audience for this one will…
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Introduction Over the last couple of years, I’ve written a few articles here about my adventures streaming to Twitch (and YouTube before that). Recently, I’ve made some significant changes to my hardware and software setup to handle the streaming and recording. Since I haven’t been writing and publishing a whole lot on this site in ages, I figured it…
Like the rest of the posts on this blog, this is an opinion piece based on my 2+ decades on the industry. Some will agree, others will disagree. Let’s get started. Definition of IT Security When I say “IT security”, I specifically mean that which secures your office place. The PCs, laptops, Macs, and the networking that your employees use…