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February 09 Archives - Geek Speak Blog
24 Feb 2009
Understanding how Trace Route Works
by: Josh Stephens  |  Filed Under: No Categories
Tonight I set out to write a quick tutorial on how trace route works but when I went to verify my writings I found that the description at Wikipedia.org was so much better than what I'd written I decided to talk about Wikipeda instead. First off, there's a great definition of trace route and description of how it works here . Trace route is a great tool for troubleshooting network issues and the SolarWinds Trace Route tool within our Engineer's Toolset offers several unique advantages over and above what standard trace route tools do. That out of the way, I have to say...
18 Feb 2009
Understanding Traffic Flows and Common Causes of Congestion
by: Josh Stephens  |  Filed Under: No Categories
Every once and a while I allow myself to pontificate on subjects outside the realm of networking engineering, security, system administration and network management. Today's post is an example of that, as when I say "Understanding Traffic Flows and Common Causes of Congestion" I'm talking about cars on the highway vs. packets on the wire. Before I get started, let me say that I'm an excellent driver as I would imagine that most of you are. I've never caused an accident and I have even been able to avoid several with some quick thinking and maneuvering. When...
12 Feb 2009
The importance of fundamentals...
by: Josh Stephens  |  Filed Under: No Categories
It struck me this morning that one of the few constants in life is the importance of fundamentals. I can well remember my junior high and high school basketball coach drilling the importance of fundamental basketball into our young heads - dribbling, proper shooting technique, passing - he was all about mastering the basics and we practiced them for hours at a time, 6 days per week. It was much the same when my mom dragged me to church on Sundays - learn the fundamentals and they will stay with you throughout your life they told us. So, we focused on memorizing the Ten Commandments...

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10 Feb 2009
Cisco IP SLA - Cool technology for free...
by: Josh Stephens  |  Filed Under: No Categories
Over the last few years some really cool technology has been introduced to the networking industry. Some of my favorites would include things like: cFlow (NetFlow, JFlow, sFlow, ipFix) WAN acceleration Cisco's IP SLA I've written a lot about NetFlow and WAN acceleration over the last few months but today I wanted to highlight Cisco's IP SLA or IP Service Level Agreements. IP SLA is a great technology for many reasons. First, it's cool because it's free (assuming that you're running the full IOS feature set of course). Second, it's cool because it's...
3 Feb 2009
New Cisco TechWiseTV Episode Highligting EnergyWise and ways to Green up your Network
by: Josh Stephens  |  Filed Under: No Categories
In case you haven't heard, Cisco recently announced a new program/technology called "EnergyWise". You can read more about it on Cisco.com , in my post from last week , or you can attend the new Cisco TechWiseTV episode on Thursday, February 19th, from 1300 to 1400 EST on this subject. You can click here to sign-up and attend the live event . If you've never watched TechWiseTV, it's a great source of information and quite entertaining as well. Jimmy Ray Purser and Robb Boyd host the shows and these guys are fantastic. Hope to see you there. Flame on... Josh Follow...






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