Show 202 – Avaya & The Critical Importance of the SDN Underlay – Sponsored

Podcast: Download (Duration: 43:51 — 20.1MB) “The most interesting part of building our house was choosing the brick and trim,” explains Randy Cross, Director of Product Line Management at Avaya, “but in Texas with clay soils, the most IMPORTANT element was the foundation.” This podcast explains that much of the SDN hype today centers on […]

Community Show – CCNA Data Center Part1 with Anthony Sequeira and Orhan Ergun

Podcast: Download (Duration: 47:38 — 43.6MB) In this first part of CCNA Datacenter sessions , Anthony Sequeira and Orhan Ergun are talking about the topics in the blueprint. They identify all the technologies which you should know for the CCNA Datacenter exam. Topics include : DCICN exam which is the first exam. DCICT exam which […]


Network Break 15

The Network Break returns with Show 15.


Show 201 – Internet Dies at 512K, Long Live the Internet

The Internet has Died at 512K routes. Ethan & Greg discuss some news and events of the last few weeks and nod nerdishly while noodling about nothing. Yeah, it’s a nerd chat show this week.


Show 200 – State of the Pushers

Podcast: Download (Duration: 1:08:18 — 31.6MB) With 2.5 Million downloads over 4 years and more 250 shows, Greg and Ethan talk honestly and openly about the future of Packet Pushers, the increasing impact on our personal lives and the choices we face in the months ahead. What few people understand is that producing the Packet […]

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Community Blog Posts

Designing Networks for Selfish Users is Hard

‘ On Earth Day at 1990 , New York City's Transportation Commissioner decided to close 42d Street , which as every New Yorker knows is always congested. "Many predicted it would be doomsday," said the Commissioner, Lucius … read more.

HTIRW: Provider Peering Types

One of the confusing aspects of Internet operation is the difference between the types of providers and the types of peering. There are three primary types of peering, and three primary types of services service … read more.

Windows ISATAP Client, Part 2

In Part 1 we discussed how to turn off ISATAP on Windows host—which is a great idea.  Turning off unnecessary components of your network simplifies everything.  But ISATAP can be useful in certain scenarios.  For … read more.

A History of Load Balancing

A visual representation of the company and, to a lesser extent, product history of the load balancing/application delivery field. My usual F5 bias is present but it seems justified considering their long-held market … read more.

Common Design Tools and Attributes for Everyone Part-1

There are design tools which we should consider for every design. LAN, WAN and the data center where these common design tolls and attributes should be considered. Many of the principles in this article series might be … read more.

Jr. Network Admin Willing to Work In Columbus, Ohio? Let’s Talk!

Carenection is where I currently work as the Senior Network Architect. We are looking for a Junior Network Administrator. If you're an experienced network engineer with many years under your belt, this is not your … read more.

Introducing the Multicast “Dating Service” (aka the “RP”)

In February of 2001 I attended a 5 day multicast class within Cisco taught by none other than  Beau Williamson!  In both his book and during the class, he kept referring to the multicast rendezvous point (RP) as: "a … read more.

Why logging is so important? VSS example.

Example: Why switch in VSS mode crashed? Few weeks ago there was a great podcast about logging (show 192). Recently I came with great example about how important logging is. If there is only one thing that I could pick … read more.

What is Service Chaining?

This post is in response to a comment on one of my previous posts on using MPLS in the Data Center. Service chaining has been getting a lot of press -- and I'm encountering it a lot in the customers I'm talking to. … read more.

More DHCP Snooping

This post is a follow up to Ethan's post and Edward's post. Both were very useful to me as I began to plan rolling out this feature. I wanted to verify something TimA said in the comments at the bottom of Ethan's post, … read more.

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