Peter Welcher

The Ruckus Wireless Sunnyvale location. The presenters did a fine job. G.T. Hill, Director of Technical Marketing, did a fine job presenting with whiteboard, a storyline, good analogies, and lots of [...]

This blog provides a brief update on Cisco onePK. As part of @pjwelcher

The following image should take you to the #NFD5 streaming video link -- you can watch the presentations and the delegates in real time. Note that this will only "work" during the event, I will post links to the recorded videos later.   [Note: Streaming link de-activated after event.]

Thanks to the person who asked me about the Daylight Project via a blog comment. I’ve been researching the rumors online. The purpose of this blog is to summarize the [...]

This blog is about recent Nexus features. It reflects something I’ve been meaning to do for a few weeks now. I find that I get busy and don’t get around [...]

I intend to post a series of blogs to help people study for the CCIE R&S (Routing / Switching) written test. This grows out of studying the last two times [...]

Yes, I’ve been lurking and watching discussions of SDN (Software Defined Networking) for quite some time. I’ve been quietly assessing what I read and hear, what I believe, where I’m skeptical, and [...]

You may have noticed the NetCraftsmen News page article mentioning that Terry Slattery and I were invited and plan to attend Network Field Day #5. See also http://techfieldday.com/. I plan to listen to vendor presentations, learn,  and contribute what I can. I can also ask relevant questions for you (taking the…

What is the difference between “plain” BFD and BFD echo, also what is the “BFD slow timer” for? That’s BFD as in Bi-Directional Forwarding Detection — what did you think [...]

Who among us has not encountered MTU issues, generally in conjunction with a VPN or GRE tunnel? Okay, all two of you can put your hands down now. My point [...]

In a recent consulting situation, it looks like running OSPF in point-to-multipoint mode over Ethernet provides a rather clean solution to what is potentially a rather messy problem. The customer [...]

I hope you are not thinking, "What's this about OTV and DCI needing defenses?" But if this question puzzles you, this blog is for you. The purpose of this blog is to make sure everyone (who reads this) is aware, Data Center Interconnect (DCI) techniques, and in particular OTV, do not…