David’s Cisco Networking Blog:


March 26, 2010  7:02 AM

Using the GNS3 Network Simulator to create a Cisco CCNA Lab

Posted by: David Davis
CCNA, Cisco, gns3, lab, simulator

The best way to learn about Cisco networking is to have your own lab. However, that is hard to do (costly, takes up space, and time-consuming). The best way to do this is to have a virtual Cisco lab using GNS3. This is easy to do with proper instruction. Fortunately, Train Signal Training recently...

March 2, 2010  10:18 PM

New Network Management Software website

Posted by: David Davis
Cisco, kiwi, nms, orion, solarwinds, syslog

I just ran across a new website that is dedicated to Network Management Software (networkmanagementsoftware.com, how appropriate!). I like the idea of the site because they specialize in just NMS - nothing...

October 31, 2009  8:34 PM

The ABC’s of Cyber Security

Posted by: David Davis
Cisco, cyber security, dhs, national awareness

Did you know that October was the Nation Cyber Security Awareness Month, as declared by the Department of Homeland Security (DHS)? In fact, this was the 6th year annual Cyber Security Awareness Month. Cisco has put together some great articles and videos covering Cyber Security on the

October 31, 2009  6:23 PM

Cisco Integrated 890 Series Router delivers completely

Posted by: David Davis
890, Cisco, isr, router

All I can say is "Wow". This integrated router offers endless options including secure broadband with Metro Enternet capabilities for the small business world, eToken credentials and two 2.0 USB ports for security, 1000 Based T Gig and 10/100 Based...

July 29, 2009  7:31 PM

Cisco Nexus 1000V – 3 free videos

Posted by: David Davis
1000v, Cisco, nexus, VMware, vsphere

Have you seen my 3 free videos on how to download, install, and use the Cisco Nexus 1000V distributed virtual switch? I was one of the judges that selected this as the the best new technology of VMworld in 2008. If you aren't familiar with the Nexus 1000V (or N1KV), it is a software switch that...

June 30, 2009  9:50 PM

Cisco reaches 1 Million certified, CCIE R&S Program Update, and NEW CCNA Voice Option

Posted by: David Davis
CCIE, CCNA, certification, Cisco, voice

1. Cisco recently announced that, to date, they have certified over 1 Million individuals and over 20,000 people with CCIE certifications. WOW - can you believe that there...

June 30, 2009  4:41 AM

Cisco Live is this week!

Posted by: David Davis
2009, Cisco, conference, live

Will you be at Cisco Live 2009 (aka Cisco Networkers)? I blogged about Cisco Live back in May because I was even excited about it then. Now that it is here, I am...

June 29, 2009  10:46 PM

Introduction to Cisco ASA 5500 Series Adaptive Security Appliances

Posted by: David Davis
5500, ASA, Cisco, firewall, Security

In this article from the Petri IT Knowledgebase, Tom Finnis covers the Cisco ASA 5500 series appliances - what models are available and what they offer you. All the key features like Firewall, SSL, IPSec VPN, Intrusion Prevention (IPS), and Content Security are covered. To read the full article,...

June 29, 2009  10:42 PM

Cisco’s John Chambers answers questions from Twitter

Posted by: David Davis
Cisco, john chambers, twitter, video

During Cisco Live 2009, @CiscoSystems Twitter followers submitted questions for John Chambers the CEO of Cisco. Their questions regarding the companys overall strategy, Flip, video, and smart grid technology are answered in...

May 31, 2009  5:07 AM

Prevent Network Attacks on your Cisco Network including the ping of death

Posted by: David Davis
Cisco, network, Security

Over at TrainSignalTraining, they recently published towCisco Security articles that I found to be very helpful if you have any remote interest in preventing networks attacks. The articles are:

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