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You are here: Home / 2014 / Archives for October 2014

Archives for October 2014

Halloween Career Advice from the Damned

Glen Kemp October 31, 2014

Halloween Careers Advice

“Now, as you look through this document you’ll see that I’ve underlined all the major decisions I ever made to make them stand out. They’re all indexed and cross-referenced. See? All I can suggest is that if you take decisions that are exactly opposite to the sort of decisions that I’ve taken, then maybe you…

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4 Comments

Junos – Wildcard Ranges, Interface Ranges and Configuration Groups

Christian Talsness October 28, 2014

Until recently I have worked almost exclusively on Cisco ASA and IOS platforms. Within the last six months I’ve added Juniper’s Junos platform into my repertoire. The story for how this came to be is one for another post I hope to write soon. For those who aren’t familiar, Junos is a whole different ball…

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6 Comments

HTIRW: Provider Peering and Revenue Streams (Part 1)

Russ White October 27, 2014

In the last post in this series, I described several types of providers — and even how those descriptions are no longer really “pure,” for the most part (although NTT, for instance, is a pure transit provider that only offers a few services throughout the world). For each piece of a provider’s business, then —…

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Stretching the friendship

Matthew Mengel October 27, 2014

It has been nine months now since I hung up the console cable and embarked on my PhD.  I seem to be unusual in the 21st-century IT world in that I have only had a couple of employers over the twenty or so years in the industry.  I left each of those jobs on (I…

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3 Comments

Automating the Cabbage Patch Network Today (2014)

Steven Iveson October 16, 2014

“Sometimes my head is a bit of an idiot” is something my daughter might say and that happens to me too, if that time is today and this article, let me know. If you don’t get the Cabbage Patch reference and its juxtaposition to automation, see here. I’ve tried to avoid sarcasm (and arrogance) but have…

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4 Comments

Thinking Through Title II Regulation

Russ White October 13, 2014

Over at CircleID, Geoff Huston has a long’ish article on Title II regulation of the Internet, and the ideals of “net neutrality.” The reasoning is tight and strong — his conclusion a simple one: At its heart, the Internet access business really is a common carrier business. So my advice to the FCC is to…

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4 Comments

EVPN: Intro to next gen L2VPN

Diptanshu Singh October 10, 2014

Introduction: With the ascent of DCI, a new set of requirements emerged which are not fully addressed by current L2VPN technologies like VPLS. There are three major options in deploying VPLS LDP based VPLS (RFC 4762) LDP based VPLS with BGP Auto discovery BGP based VPLS (RFC 4761) Each option has its pros and cons….

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21 Comments

Traceroute – A Small Tool for Big Problems

Anurudh Dubey October 7, 2014

Basics is must for Network Engineer.Traceroute is an imp and handy tool while  troubleshooting any network issue.How Traceroute works ? Whats the concept behind it ? Its task is to determine  the path taken by packet to reach its destination .Before going further ,lets see the IP header . 0                   1                   2                   3 0 1…

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7 Comments

Now that We’ve Buried the Seven Layer Model…

Russ White October 6, 2014

“But the seven layer model is still useful for teaching networking…” So ran the most common reaction to my post last week about the seven layer model being dead. But let me ask something — how useful is the seven layer model for teaching networking? It doesn’t match the TCP/IP stack, it doesn’t account for…

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4 Comments

Traveling Light – 15 Things in an Engineer’s Bag (including the bag)

Glen Kemp October 1, 2014

An important historical monument taken traveling in the back of a cab

My day job involves traveling around northern Europe and occasionally further afield. I often get little notice of where I’m going, or how long I’m going for. This makes for a lot of trudging along train platforms and across departure lounges. Hauling too much stuff around is guaranteed to ruin my day. Traveling light becomes a necessity,…

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8 Comments

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