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Ethernet Protocol, CSMA/CD, Collisions
When troubleshooting your Ethernet network, the first thing to look for is physical frame corruption. In this essay, we will discuss the different causes of physical frame corruption and the characte…
Windows Servers
Our previous articles covered basic concepts of Virtualization along with the installation and monitoring of Windows 2012 Hyper-V. This article takes the next step, which is the installation of a gue…
VPN Services & Guides
VPN Services have become a necessity for users concerned about their online privacy and security. With literally hundreds of thousands of attacks daily, exploits and security vulnerabilities being di…
Linux - Unix
For many engineers and administrators,  maintaining a Linux system can be a daunting task, especially if there’s limited time or experience.  Working in shell mode, editing files, restartin…
Windows Servers
Simple Network Management Protocol (SNMP) is a UDP protocol that uses port 161 to monitor and collect detailed information on any network device supporting the SNMP protocol. All Windows servers supp…
VLAN Networks
VLANs are usually created by the network administrator, assigning each port of every switch to a VLAN. Depending on the network infrastructure and security policies, the assignment of VLANs can be im…
Linux - Unix
The first question is - what are the benefits of using Linux instead of Windows? This is in fact a constant debate between the Windows and Linux communities and while we won't be taking either side…
Supernetting & CIDR
This articles build upon our previous pages covering  what is Supernetting (Route Summarization) & How Supernets Work and Supernetting In-Depth Analysis - Learn to Identify and Create Supern…
Palo Alto Networks
This article explains how to register and activate your Palo Alto Firewall Appliance to obtain technical support, RMA hardware replacement, product updates, antivirus updates, wildfire, antispam upda…
SASE & SD-WAN Networks
The digital transformation is pushing applications to the cloud, the 2020-2022 pandemic shifted employees to work from home, and the number of resulting new use cases is sending IT leaders scrambling…
VLAN Networks
The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing network with minimal costs, while at the same time maki…
Cisco Wireless
The Cisco Wireless Controller (WLC) series devices provide a single solution to configure, manage and support corporate wireless networks, regardless of their size and locations. Cisco WLCs have beco…

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