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Routing
This is the thrid article of our 6-part OSPF series (see below) that describes how OSPF routers perform neighbor relationship and adjacency. We’ll examine how OSPF discovers neighbors by sending Hell…
Supernetting & CIDR
Supernetting is the opposite of of subnetting, and is also known as route aggregation or CIDR (Classless Inter-Domain Routing). Supernetting is a technique that allows multiple smaller network blocks…
Windows Servers
Network Location Awareness (NLA) is a feature offered on Windows Server 2012 R2 and all Windows workstation editions from Windows 8.1 and above, including Windows 10. When connecting to a network (LA…
Domain Name System (DNS)
The previous article covered the DNS Query message formats. In the article we analysed them in great detail and showed how various options are selected by the host using the Flags/Parameters field.&n…
Cisco Switches
The SG500 series Cisco switches are the next step up from the already popular SG300 Layer-3 switches. Cisco introduced the SG Small Business series switches to compete against DELL’s and HP’s offerin…
OpManager - Network Monitoring & Management
ManageEngine continues its commitment to help IT staff around the globe manage their organization's endpoints and the IT operations for the remote and on-site workforce. The below Free seminars runn…
SASE & SD-WAN Networks
SD-WAN is the answer for enterprises and organizations seeking to consolidate network functions and services while at the same time simplify their WAN infrastructure and its management. SD-WANs are…
Cisco Wireless
Cisco Aironet Access Points, just like most Cisco devices, provide a web interface from which we are able to configure the device. It is often we are presented with a number of options and settings…
Routing
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…
Ethernet Protocol, CSMA/CD, Collisions
The following is a description of the Ethernet Frame Format described in the IEEE 802.3 Specification. The 802.3 Specification defines a 14 byte Data Link Header followed by a Logical Link Control He…
Windows Workstations (XP, 7, 8, 10, 11)
In this article, we'll show you how to add (pin) and remove (unpin) any application from the Windows 8 or Windows 8.1 Metro Start Screen. Tiles or the small squares and rectangles appearing on the Wi…
Windows Workstations (XP, 7, 8, 10, 11)
Windows 8 and Windows 8.1 (including Professional edition) operating systems provide the ability to turn your workstation or laptop into a secure wireless access point, allowing wireless clients (inc…

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