March 29, 2026/
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OSPF Passive Interface Why do we need an OSPF passive interface? A router often does not need to form neighbor relationships...
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PoE Technology History of POE Technology 1. Early Stage (Before 2000)Before PoE technology was introduced, network devices required two separate connections: one for data (Ethernet cable) and another...
DHCP Server DHCP (Dynamic Host Configuration Protocol) is a network protocol used to automatically assign IP addresses and other network settings to devices in a network. It helps computers, phones...
TCP & UDP History of Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) 1. Early Internet Research (1960s–1970s) The history of TCP and UDP begins with the development of early...
What is cloud networking What is cloud networking? Cloud networking refers to the practice of utilizing cloud computing technologies to provide networking services, such as data storage, computing...
What is OSI Model History Of OSI Model History of the OSI Model The OSI Model (Open Systems Interconnection Model) was developed to create a standard framework for communication between different...
IP Address What is an IP Address? An IP address (Internet Protocol address) is a unique identifier assigned to each device on a network. It allows devices to communicate with each other over a...
Components Of Computer Network Components Of Computer Network A computer network consists of various components that work together to allow devices to communicate, share resources, and exchange data...
Computer Networking History of Computer Network History of Computer Network The history of computer networks began when scientists and researchers tried to connect computers to share data and...
About Cisco Cisco is widely recognized as a leading developer of networking hardware and telecommunications equipment, forming the backbone of the internet’s infrastructure and enterprise...
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March 24, 2026/
GRE & DM-VPN History of DM-VPN The history of DMVPN (Dynamic Multipoint VPN) is closely tied to the evolution of...
March 21, 2026/
Ethernet Connector RJ45 Connector What is “RJ45” Do you know the meaning of “RJ45”? Let me explain it. “RJ” is the...
March 21, 2026/
Transmission Media Transmission Media in Computer Network Introduction The modern global environment is constantly evolving. Data Communication and networking technologies...
March 20, 2026/
Policy Based Routing MikroTik ECMP Recursive Load Balancing & Failover PCC Load Balancing & Failover 1. What is Policy Based...
March 17, 2026/
IT Courses What is CompTIA+ What is CompTIA+ CompTIA+ refers to a group of IT certifications offered by CompTIA. These...
March 17, 2026/
OSPF Commnds Check OSPF configuration, status, and neighbors on Cisco routersshow ip ospf neighbor Displays OSPF neighbors and their...
March 16, 2026/
OSPF DR and BDR OSPF DR and BDR This lesson demonstrates the OSPF concept of a Designated Router (DR) and...
March 15, 2026/
How does OSPF work The last lesson introduced the most fundamental OSPF terms, such as LSA, LSDB, SPF, Areas, Cost,...