For the details on what Overlay Transport Virtualization (OTV) is and how it works on a high-level, see my previous blog … [Read more...]
Cisco OTV 101 (Legacy Multicast Mode): MAC Learning Process Walk
13 May 2013 by 4 Comments
What is OTV? Overlay Transport Virtualization (OTV) is a Cisco-proprietary protocol suite that allows us to extend Layer 2 … [Read more...]
Interop: Firewalls, Booth Babes and Unicorn Poop
12 May 2013 by 1 Comment
Now that I've returned from the whirlwind that was Interop Las Vegas, I thought I'd share some thoughts about my experience … [Read more...]
Healthy Paranoia Show 12: The Saga of Terry Childs
2 May 2013 by 4 Comments
Announcing the latest episode of Healthy Paranoia from Mrs. Y featuring the case of Terry Childs, the infamous former Network … [Read more...]
Show 141 – The Pace of Change Is Picking Up – #NFD5 Discussion
23 March 2013 by 4 Comments
Greg Ferro and Ethan Banks of PacketPushers.net host a discussion with Dr. Peter Welcher, Brent Salisbury, and Stephen … [Read more...]
Using IP SLA Delay Feature to Safely Monitor Lossy Links
22 March 2013 by 4 Comments
IP SLA is a great feature if you want to add some automation and intelligence into the network. SLA is no SDN/OpenFlow, but … [Read more...]
Show 135 – Change Control Causes Constipation
11 February 2013 by 12 Comments
Ethan & I talk about recent events in the industry and their workday. I have a head cold so apologies for the sniffles / … [Read more...]
Bash Script to Gather All Your Cisco Serial Numbers via SNMP
10 February 2013 by 3 Comments
Recently, I was doing a true up of our Cisco SmartNet contract, and had to get the serial numbers from all of the Cisco … [Read more...]
Why Is Cisco Bothering With “Open” EIGRP?
31 January 2013 by 14 Comments
My first taste of networking came via the Cisco Learning Academy. I did my CCNA and the old school ROUTE, and it did a pretty … [Read more...]
PQ Show 021 – Cisco Data Center Certs With Tony Bourke
11 January 2013 by 4 Comments
Ethan Banks and Tony Bourke discuss the Cisco Data Center certifications, focusing on the CCNA & CCNP tracks. We take a … [Read more...]
Preparation Lessons Learned From a Freshly Minted CCIE
17 November 2012 by 6 Comments
I recently became a CCIE, and I want to share some lessons learned during my 2 years of studying. I will not describe in … [Read more...]
Practical Visibility Fabric – Part 1
15 October 2012 by 1 Comment
Men have become the tools of their tools. - Henry David Thoreau This will be a three part series. This first article will … [Read more...]
Show 121 – Tweet My Meat – Network Field Day 4
13 October 2012 by 2 Comments
In this Network Field Day episode of the Packet Pushers, we talk about the happenings of the first two days. Because there … [Read more...]
Revenge of the TOE
27 September 2012 by 7 Comments
Recently a colleague and I encountered a very perplexing issue with one of our ASAs. Our team had reports of users … [Read more...]
PQ Show 12 – Cisco vPath 2.0 and Nexus 1000v With Prashant Ghandi – Sponsored
25 September 2012 by 1 Comment
In this sponsored podcast, Cisco vPath 2.0 is part of the Nexus 1000v software switching architecture and it's important … [Read more...]
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