Blog for Technologists

Overview One of my customers needed to quickly convert his core 6500 switches over to Nexus 7700 switches at two main sites connected by a Comcast ENS service as primary [...]

Hello again! This blog will briefly cover the presentations by #NFD16. If you’re interested and want more detail, watch the Greg Ferro Packet Pusher blog (albeit in a Riverbed/SD-WAN setting. [...]

What a network speed check revealed about sluggish performance.) Arista Founder, Chief Development Officer, and Chairman Andy Bechtolsheim talked about 400G Ethernet, explaining how the industry will get there. He [...]

This blog is one of several about Veriflow was kind enough to provide me with a demo and discussion earlier in 2017. I followed that up with the blog post, [...]

Pluribus did a nice job presenting at marketing page for which vendors. Short list.) Bzzt, that costs points. I think vendors should (must!) provide open access to their documentation. Anything [...]

I’m sure I’ll step on a few toes with this entry, but it’ll paint a very clear picture you can relate to and give you something to reflect on when [...]

I was excited going into the Networking Field Day (push back with humor about “intent washing.” Recommended amusement value. I suppose Cisco could push back. It seems like Cisco IOS [...]

#NFD16) and did a great job. I started with high expectations, since I was aware that previous KentiK NFD presentations received high reviews. And I was not disappointed. Who or [...]

One of the things I look for when doing network assessments is the availability of syslog data. I’m always amazed at how few sites seem to be using this valuable [...]

In a recent blog post, I discussed how the WAN is changing for some organizations. This post considers the broader topic of what else might be changing in networks, affecting [...]

Have you noticed that WAN design is changing? Well, I think it is, and I’d like to share my thoughts. A Little History Old TDM networks used to be “random” [...]

NetCraftsmen is seeing increasing levels of consulting customer interest in Cisco IWAN. That reflects either tech cool-ness or cost-savings — or both! In a recent blog, I discussed some considerations for [...]