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Cisco CallManager-CCME
Cisco Unity Express Installation & Setup - ISM-SR…
Unity Express is a popular add-on for Cisco Unified Communication Manager Express (CallManager Express) and Cisco Unified Communication Manager (CUCM), adding advanced auto attendant functionality wi…
VLAN Networks
VLANs - IEEE 802.1q Trunk Link Protocol Analysis
While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this article will continue building upon it by further analyzing the IEEE 802.1q Trunk Link Protocol. The IEEE 802.1q tagging m…
Network Protocol Analyzers
How to Reconstruct HTTP Packets/Data & Monitor HT…
HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis application that captures packets/data around the cloc…
Ethernet Protocol, CSMA/CD, Collisions
The Novell Proprietary Frame Format
Novell's Proprietary Frame Format was developed based on a preliminary release of the 802.3 specification. After Novell released its proprietary format, the LLC Header was added, making Novell's form…
Subnetting
IP Subnetting - Part 5: Subnetting Guidelines
There is always that day when you are called upon to provide a solution to a network problem. The number of problems that can occur in a network are numerous and believe it or not, most of them can b…
Cisco CallManager-CCME
Introduction to Cisco Unified Communication Manag…
We have been hearing about VoIP for many years now and while some have never worked with it, it has become today's standard in IP Communications and Private Branch Exchange (PBX) or telephony center…
Cisco Firewalls
Demystifying Cisco AnyConnect 4.x Licensing. Plus…
In late 2014, Cisco announced the new licensing model for the latest AnyConnect Secure Mobility client v4.x. With this new version, Cisco introduced a number of new features, but also simplified the…
The OSI Model
The OSI Model: Layer 3 - Network Layer
The Network layer is responsible for routing through an internetwork and for networking addressing. This means that the Network layer is responsible for transporting traffic between devices that are…
Windows Servers
How to Recover & Create "Show Desktop" Icon Funct…
The Show Desktop feature, included with almost all versions of Windows up to Windows 7, allows a user to minimize or restore all open programs and easily view the desktop. To use this feature, a use…
Windows Workstations (XP, 7, 8, 10, 11)
The Importance of Windows Hosts File - How to Use…
This article explains how the Windows operating system makes use of the popular Host file, where it is located for various operating systems, how it can be used to manipulate DNS lookups and redirect…
Windows Servers
Windows 2016 Server Licensing Explained – Free We…
With Windows 2016 Server already making its way into data centers Windows 2016 Server Licensing is becoming a very hot topic. Windows 2016 Server is jam-packed with a number of advanced features incl…
Cisco Firewalls
Upgrading - Uploading AnyConnect Secure Mobility…
This article will show how to download and upload the newer AnyConnect 4.x VPN clients to your Cisco ASA Firewall appliance (5500 & 5500-X Series) and configure WebVPN so that the newer AnyConnec…
Wi-Fi Key Generator
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