Monthly Archives: April 2009

Using SSH to Run Commands on a Router or Switch

April 30, 2009
By Aaron Conaway

SSH is more than just a shell.  You can copy files from and to a server or piece of network gear with it.  You can use it to tunnel traffic.  Possibly my favorite, though, is to use SSH to run a command on a remote box without interacting with a shell. One of my...

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The Most Random Things Can Hurt The Network

April 15, 2009
By Aaron Conaway

This is a great one that I have to share. A couple of coworkers walk in today and ask for some help on an issue.  It seems that a business unit was having latency problems with a web app, and, after research by the product team and sysadmins, nothing wrong could be found.  Lots...

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Server NIC Aggregation to a Cisco Switch

April 14, 2009
By Aaron Conaway

Have you even noticed that your new servers all have 2 NICs on the board?  At least all of them that I’ve seen in the last 3 years have.  A lot of server admin actually use them in a NIC teaming scenario where both NICs are used as one logical device — much the...

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April 2009
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