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Cisco Switches
This article covers basic and advanced configuration of Cisco Catalyst Layer-3 switches such as the Cisco Catalyst 3560G, 3560E, 3560-X, 3750, 3750E, 3750-X, 3850, 4500, 6500 , 9300, 9400 series, and…
Network Fundamentals
Unicast is a communication method used in computer networking where data is sent from a single sender to a specific destination device. In this method, the sender sends the data packet to a uni…
ManageEngine Firewall Analyzer
A firewall appliance is a fundamental pillar of network security, acting as the first line of defense against cyber threats. However, its strength is only as good as its configuration, monitoring…
Windows Servers
Microsoft Licensing for Virtual environments can become a very complicated topic, especially with all the misconceptions and false information out there. Thankfully Altaro, the leader in Hyper-V Back…
VPN Services & Guides
Back then, the Internet was so very young. Those were the times of Windows Maze Screensaver, of the classy Minesweeper, of grey-white MS Paint, and of silvery floppy disks. Gone are those days. Now…
VPN Services & Guides
It was just a matter of time until the new global wave of government site blocking at the ISP level arrived in Australia. In mid-December 2016, the Federal Court ruled that Internet companies would n…
The OSI Model
Here we are going to explain in detail how data travels through the OSI model. You must keep in mind that the OSI model is a guideline. It tells the computer what it's supposed to do when data needs…
Cisco Switches
Cisco announces the end-of-sale and end-of-life dates for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches. The last day to order the affected product(s) is January 30, 2013. Custo…
Cisco Routers
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco that allows the encapsulation of a wide variety of network layer protocols inside point-to-point links. A GRE tunnel is…
VPN Services & Guides
What is a VPN? VPN (Virtual Private Network) is a well-known acronym amongst regular internet users. Initially used within businesses to securely connect to the corporate network, nowadays it’s bein…
Cisco Switches
Running Spanning Tree Protocol (STP) in a large network environment can be a challenging task especially when features/enhancements such as BPDU Filter and BPDU Guard need to be configured to help ST…
Windows Servers
When you shadow copy a disk volume, you are actually generating a snapshot of the changes made to the folders and files within the disk volume at a certain point in time. Windows 2012 R2 shadow copy…

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