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Coming up for the October 26, 2011 Cisco Mid-Atlantic User Group (C-MUG) session, Terry Slattery will be discussing some network management topics. He plans to talk about the basics of [...]

Can a Layer 2 loop happen in your campus network? You may say, I am running Spanning Tree Protocol (STP), and it is designed to maintain a loop-free layer 2 [...]

Introduction Should you be concerned about a Layer 2 loop in your campus network? My answer is absolutely. In this article, I explain why you should take steps in protecting [...]

I am a regular face on the Cisco Support Community (CSC) forums and I recently saw a question that is constantly resurfacing on the forum. The question? "Should I use MGCP or H.323 for gateway protocol?" I suppose SIP can be thrown in there as well. I have a canned…

This is a quick blog on configuring Cisco IOS H.323 VoIP dial peers to facility call path (and DTMF relay) between PSTN parties and the Cisco Video Communications Server (VCS). Specifically, when the call is tandem routed by the Cisco Unified Communications Manager (CUCM).

Here is my list of the top ten security mistakes that IT staff makes.  These mistakes leave your network vulnerable to attack and compromise. Mistake #8:  Not compartmentalizing public devices.

I recently fielded a request from a customer to provide guidance on what it would mean to move away from Cisco Wireless IP Phones and adopt Cisco mobile client applications on smart phones. I was a little out of date. I deployed CUMA and Unified Mobile Communicator for a customer…

This is the fourth and final post of a series on the network management architecture used by NetCraftsmen. The architecture is shown below, consisting of seven elements. In this post, [...]

Hello, my name is Hailey and this is my blog.  It’s been a whole lot of days since my last post.  Now that we have that out of the way…let us proceed to the latest installment of “Hailey’s Amazing Blog”.  Today I'm going to focus on Unity Connection. Specifically, I…

A lot of the discussions I’ve been reading have revolved around whether the attack “qualifies” as an “Advanced Persistent Threat,” and therefore whether the term APT has any real meaning [...]

A lot of the discussion I see has revolved around whether the attack “qualifies” as an Advanced Persistent Threat, and therefore whether the term APT has any real meaning or [...]

Here is my list of the top ten security mistakes that IT staff makes.  These mistakes leave your network vulnerable to attack and compromise. Mistake #9:  Not blocking administrative protocols.