Podcasts

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Show 198 – Kirk Byers on Network Automation with Python & Ansible

Podcast: Download (Duration: 1:12:17 — 33.5MB) Kirk Byers has been doing network automation work for quite a while now. I’ve been following his Pynet mailing list, where he teaches list members in a series of structured lessons how to code in Python, harnessing the scripting language’s power for network automation. I met Kirk at Cisco […]

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Show 197 – Cisco Nexus Updates with Ron Fuller – Sponsored

Podcast: Download (Duration: 1:08:19 — 31.6MB) Repeat guest and friend of the Packet Pushers Ron Fuller chats with Greg Ferro and Ethan Banks about the latest updates to both the hardware and software in the ever-growing and capable Cisco Nexus product line. We get a thorough update in this show, hitting lots and lots of […]

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Coffee Break 12

The Coffee Break will be renamed to the “The Network Break” and will be getting its own channel on the Packet Pushers Network. But for this week, we talk about the latest news in networking and physical infrastructure.

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Priority Queue – SDN and The Reseller Channel

What is the future of SDN Vendors ? Will all the startups eventually close down to just a few choices or can there be a vibrant ecosystem which can allow for many vendors to survive ? The discussion took a left turn and became an strong discussion of whether resellers will survive the arrival of SDN.

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Show 196 – EVPN Introduction & Use-Cases with Russ White + Jeff Tantsura

Podcast: Download (Duration: 53:08 — 24.7MB) This week, Packet Pushers’ hosts Ethan Banks and Greg Ferro queue up a discussion about a new technology, exploring EVPN with Russ White & Jeff Tantsura from Ericsson. What’s EVPN? Well, it’s short for Ethernet VPN, and it’s a way of using BGP as a routing system for MAC […]

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Community Blog Posts

HTIRW: DNS Security

In the last few posts on this topic, we've talked about the various bits and parts of the DNS system, from who pays to how it works to DNS tools. This time, we're going to finish off DNS in this (probably record breaking … read more.

Using Big Tools for Small Problems

BGP in the data center? And MPLS? Are you insane? Well, maybe, yes. But then again, I've been known to do a lot of crazy things in my time. Isn't MPLS a core and edge service provider technology, while VXLAN is an … read more.

Confessions of a Troubleshooting Junkie

“Hey Fish, how good are you at BFD? None of my BFD neighbors will come up.” Two simple sentences and I am “hooked.”  I love troubleshooting!   Troubleshooting is just a blast for me!  It’s like being a Network Detective … read more.

Raspberry Pi as a Deliciously Simple VPN Endpoint

Being the networking nerd I am, I have a pretty big network at home.  And as the denizens of the Packet Pushers IRC channel know, I do a lot of work with VPNs.  One of my use cases is sharing the resources on my home … read more.

Ansible Rapid Development Environment using Vagrant

First off, this post isn't a straight-up networking post; although it does contain networking content (enabling Vagrant VMs to communicate over a physical data network) it's more about constructing a rapid development … read more.

ERSPAN – My New Favorite Packet Capturing Trick

When I first looked at the documentation for ERSPAN I could imagine some uses for it. In some cases it could replace RSPAN, but since it’s only available on Cisco Nexus switches, newer Catalyst 6500s, Cisco ASR routers, … read more.

F5 Configuration Backups 3.0

In a previous article I introduced a project for the configuration backups of F5 devices. It offered an automated, centralized backup service for F5 BigIP devices with a web interface. There was also several features … read more.

HTIRW: DNS Reverse Lookups and Whois

In our last episode, we discussed how DNS is paid for in the real world — who builds, maintains, and manages all those servers that allow us to put in a domain name, and end up with a web page? This post will look at two … read more.

Visibility, Trustship,Sub optimality or whatever you want to call it.

To be honest I really tried hard to find a name for this article. Maybe it is not convenient and if you have better idea please let me know in the comment. I want to  mention sub optimality and stretch in the networks … read more.

The Disconnect. Good Enough Is Good Enough.

A Meeting room. Discussing the possible options for product and vendor strategy. Company urgently needs to avoid capital expenditure and reduce maintenance costs. The engineer across the table is wearing a vendor … read more.

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