Welcome to the Packet Pushers Community

Browse below to discover great podcasts and blog posts by a global cast of independent network engineers. Would you like to blog here, too? E-mail packetpushers@gmail.com.

Podcasts

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Show 102 – A Layer of Indirection: Is MPLS Tunneling?

Greg Ferro and Ethan Banks dive into a deep, dark hole of nerdery with Ivan Pepelnjak, Marko Milivojevic, and Petr Lapukov to see if we can decide whether or not MPLS is tunneling. We plumb the depths of packet and frame formatting, compare and contrast various technologies, toss different scenarios around, contradict one another, and throw [...]

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Show 101 – Brocade Virtual Symposium Part 1 – Sponsored

Introducing the Brocade Virtual Symposium. In a special video session, we brought Chip Copper from Brocade into a room to talk about four key areas of Brocade’s Ethernet Fabric. The first episode is this weeks Packet Pushers Podcast. The session is discussing just “What is an Ethernet Fabric” and digging into how Brocade implements their [...]

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Show 100 – Live at Network Field Day Three – Video

Network Field Day Three meant that a lot of regular guests on Packet Pushers were in the same room at the same time. And that room was full of cameras, microphones and a crew to run it!! So we recorded a Packet Pushers Live – the first ever show in video as Show 100.

That’s right – 100 shows! Two years since we started, about 6000 downloads per show and more than 50000 downloads a month.

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Show 99 – I Always Use a VPN – Thomas D’Otreppe – Aircrack-NG – OpenWIPS-NG

This week we are talking to Thomas d’Otreppe, author of Aircrack-NG and OpenWIPS-NG about his Open Source project and what they do ? AirCrack-NG Aircrack “Aircrack-ng is an 802.11 WEP and WPA-PSK keys cracking program that can recover keys once enough data packets have been captured. It implements the standard FMS attack along with some [...]

Show 98 – The Future of TRILL and Spanning Tree – Part 2

This is the second part of the TRILL and Spanning Tree discussion. TRILL has been on the radar for about three years and while we are seeing some shipping hardware and deployments, it’s still not clear what the current status of TRILL is. This week, Jon Hudson IETF Member for TRILL and Brocade engineer is joined with Andy Shalomon from Cisco, who is conducting testing and deployment on Cisco’s FabricPath for a discussion about where TRILL is today.

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Show 97 – The Future of TRILL and Spanning Tree – Part 1

TRILL has been on the radar for about three years and while we are seeing some shipping hardware and deployments, it’s still not clear what the current status of TRILL is. This week, Jon Hudson IETF Member for TRILL and Brocade engineer is joined with Andy Shalomon from Cisco, who is conducting testing and deployment on Cisco’s FabricPath for a discussion about where TRILL is today.

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Show 96 – Hack the Hackers: Fyodor on Nmap & The Security Industry

Michele Chubirka (our very own Mrs. Y), Greg Ferro, and Ethan Banks gather *in person* with very special guest Gordon “Fyodor” Lyon. Fyodor is the author of Nmap, for many years the tool of choice to perform network scanning. The four of us chat about Nmap, being a security practitioner, and goings-on in the security business. [...]

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Community Blog Posts

Another Teaser From the Packet Pushers

We hinted at something coming from the Packet Pushers in an earlier post. Well, here's another hint... Wookieepedia shares with us the following: The prophecy of the Chosen One was an ancient Jedi legend that … read more.

Interop 2012 Round-Up

I usually attend one or two trade shows per year, with Cisco Networkers/Live being the primary focus. That mostly has to do with being a largely Cisco shop, and my own predilections as much as with my general lack of … read more.

Network Complexity Bites Back

Let me tell you a story. The cell phone service at my house stinks. On a good day, if I walk out on the porch and lean against the rail, I can get one bar of signal. If it's raining and the middle of the summer, where … read more.

Understanding Brocade’s ISLs and ECMP Just a Wee Bit More

In the Brocade Virtual Symposium hosted by Packet Pushers and Tech Field Day, Part 3: Multi-Path vs. Multi-Chassis shows us an interesting case of using ECMP and VCS with different size ISL links. Ivan Pepelnjak asks … read more.

Does TRILL Stand a Chance at Wide Adoption?

TRILL (TRansparent Interconnect of Lots of Links) is considered by some to be the heir-apparent to spanning-tree's throne. After all, Radia Perlman was the force behind STP, and her name heads the list of authors for RFC … read more.

POLL: CCIE Data Center – Who’s In?

I have one primary question for the Packet Pusher's community regarding the newly announced CCIE Data Center track: Who's in? The beta CCIE Data Center written tests are available (mine is scheduled for a week from … read more.

RFC 1998 Implementation Example: BGP Community Attribute in Multi-Home Routing

Couple of days ago, I had really interesting discussion about using BGP communities to influent inbound traffic by modifying ISP's LOCAL_PREF on advertised prefixes in multi homed environments. There are many Internet … read more.

Pwn Your Own Network

I'll admit it. Part of the reason I'm in IT is for the toys. Before Daniel Craig (yum) took over, I think the only interesting part of a James Bond movie  was the compulsory scene in which Q demonstrated new gadgets to … read more.

When Is a Firewall Like a Speed Bump?

The other day the Director of Engineering at my new job asked me why we install firewalls. He admitted that he already had an answer, but that he wanted me to document it for all the network engineers who frequently … read more.

BGP Origin Authentication: What Are We Trying to Prove?

There was a long thread on NANOG just a couple of days ago about BGP security --see this message and this message, discussing this article in Slashdot about using DNS to solve the problem of BGP security on the 'net. Can … read more.

Coming Soon From the Packet Pushers

We have an announcement to make...but not yet. Here's a couple of clues!   … read more.

Infineta and Parallelization, Part 1

1. Opinions are like... In the past 5 years I've participated in three proper evaluations of WAN acceleration products. Twice with Cisco's products (an older and then a newer product) and once with Riverbed. On the … read more.

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