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IP Subnetting - Part 2: Subnet Masks & Their Effe…
There are a few different ways to approach subnetting and it can get confusing because of the complexity of some subnets and the flexibility they offer. For this reason I created this little paragrap…
Dynamic NAT - Part 2
Our previous article, Dynamic NAT - Part 1, covered the basic idea of Dynamic Network Address Translation. We are now going to take a closer look at the packets as they traverse the Dynamic NAT enabl…
Improve Network Analysis Efficiency with Colasoft…
Troubleshooting network problems can be a very difficult and challenging task. While most IT engineers use a network analyzer to help solve network problems, when analyzing hundreds or thousands of p…
How To Fix Cisco Configuration Professional (CCP)…
Our previous article covered how to fix the Cisco Configuration Professional display/window problem where the CCP application is displayed in about one third of the browser’s window. Users looking fo…
Cisco SmartCare Update - Next Generation Appliance
It's been more than a year since we introduced the Cisco SmartCare service and appliance. It's been extremely popular and has successfully penetrated the Cisco market with installations continually i…
Master Your Firewall: 6 Expert-Backed Steps to Bo…
In today’s evolving threat landscape, firewall audits are more than just a best practice—they're a critical line of defense. Regular audits ensure your firewall configurations are aligned with organi…
Configuring CallManager Express (CME) To Support…
Cisco is continuously developing its CallManager Express product, introducing new features and services to help keep up with its customers' and the market’s demands.
With the rapid increase of the m…
Early Communication Technology - Morse Code and E…
We tend to think of digital communication as a new idea but in 1844 a man called Samuel Morse sent a message 37 miles from Washington D.C. to Baltimore, using his new invention ‘The Telegraph’. This…
Cisco Type 7 Password Decrypt / Decoder / Crack T…
The Firewall.cx Cisco Password Decoder Tool (see below) provides readers with the ability to decrypt 'Type 7' cisco passwords.
For security reasons, we do not keep any history of decoded passwords…
Free Webinar: Migrating from Hyper-V to VMware
If your organization is planning to migration from a Hyper-V virtualization environment to VMware then this FREE webinar is just for you.
Aimed toward Hyper-V and VMware admins this webinar will cov…
How to View Hidden Files and Folders In Windows 8…
Windows 8 & 8.1 hides two types of files so that normally, you do not see them while exploring your computer. The first type is the files or folders with their 'H' attribute set to make them hidd…
OSPF - Part 1: Introduction, OSPF Packet Structur…
Open Shortest Path First (OSPF) is a popular routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force…
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