Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
MCA Articles
Page 75 of 95
Dynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. In DHCP, port number 67 is used for the server and 68 is used for the client. DHCP allows a network administrator to supervise and distribute IP addresses from a central point and automatically sends a new Internet Protocol (IP) address when a computer is plugged into a different place in the network. DHCP is an application layer protocol that provides: IP ...
Read MoreDistance Vector Routing (DVR) Protocol
In distance-vector routing (DVR), each router is required to inform the topology changes to its neighboring routers periodically. Historically it is known as the old ARPANET routing algorithm or Bellman-Ford algorithm. Distance vector routing is a distributed routing protocol where routers share information about network destinations with their directly connected neighbors. Each router maintains a distance vector table that contains the best known distance to every destination in the network. How the DVR Protocol Works Routing table maintenance − Each router maintains a routing table containing one entry for each destination, with two parts: a ...
Read MoreInternet Protocol version 6 (IPv6) Header
Internet Protocol version 6 (IPv6) is the next generation internet protocol designed to replace IPv4. IPv6 addresses the critical limitations of IPv4, particularly the exhaustion of available IP addresses, by using a 128-bit address space that provides virtually unlimited addressing capacity. IPv6 introduces significant improvements over IPv4 including simplified header structure, better routing efficiency, enhanced security features, and built-in support for network auto-configuration. While maintaining backward compatibility concepts, IPv6 removes outdated IPv4 functions and streamlines packet processing. IPv6 Address Representation IPv6 addresses use 128 bits, represented as eight groups of four hexadecimal digits separated by colons. This ...
Read MoreInternet Control Message Protocol (ICMP)
The Internet Control Message Protocol (ICMP) is a network layer protocol that operates within the OSI model's network layer and the TCP/IP model's internet layer. It serves as a communication mechanism for routers and network devices to send control and error messages throughout the network. ICMP enables network devices to report problems, query network status, and provide diagnostic information. Common ICMP messages include "destination unreachable, " "time exceeded, " and "echo requests" used by utilities like ping. ICMP Message Flow in Network Communication Host A ...
Read MoreCharacteristics of Virtualization
Virtualization is a technology that allows multiple virtual machines to run on a single physical machine. It has become an essential component of modern IT infrastructure, enabling efficient resource utilization and flexible computing environments. In this article, we will explore the key characteristics of virtualization and their practical applications. Virtualization Overview Physical Host Machine VM 1 OS + Apps VM 2 OS + Apps VM 3 OS + Apps ...
Read MoreCisco ASA Redistribution example
Redistribution is a process of sharing routing information between different routing protocols. In Cisco ASA, redistribution enables integration of various routing domains by allowing different protocols to exchange routing information. This improves overall network connectivity and simplifies network management when multiple routing protocols coexist. The most common routing protocols supported on Cisco ASA include RIP (Routing Information Protocol), OSPF (Open Shortest Path First), and EIGRP (Enhanced Interior Gateway Routing Protocol). Cisco ASA Redistribution Process OSPF Domain A Cisco ASA Redistribution ...
Read MoreCisco Router basic commands
Cisco routers are a popular choice for network administrators due to their robustness and reliability. They are used in a wide range of environments, from small home networks to large enterprise networks. To effectively manage a Cisco router, it is essential to have a good understanding of the basic commands that are used to configure and troubleshoot the device. Accessing the Cisco Router The first step in configuring a Cisco router is to access the device. This can be done using a variety of methods, including Telnet, SSH, and the console port. The most common method is to ...
Read MoreCisco Switch Configuration basic commands
Cisco switches are widely used in enterprise networks for their reliability and advanced features. However, configuring these switches can be a daunting task for those new to networking. In this article, we will cover some basic commands that are commonly used when configuring Cisco switches. Accessing the Switch The first step in configuring a Cisco switch is to access the switch's command-line interface (CLI). This can be done through a console cable or through a Telnet or SSH connection. Console Access: Connect a console cable to the switch and a computer's serial port. Open terminal emulator software ...
Read MoreClasses of Routing Protocols
Routing protocols are essential mechanisms that enable network devices to determine the best paths for data transmission across interconnected networks. These protocols ensure efficient and reliable data delivery by making intelligent routing decisions based on various network metrics and topologies. Understanding the different classes of routing protocols helps network administrators choose the most appropriate solution for their specific network requirements, size, and complexity. Classes of Routing Protocols Distance Vector Link State Hybrid ...
Read MoreAdvantage and Disadvantage of Routers
Routers are essential networking devices that connect multiple networks and enable communication between different devices. They serve as the gateway between local networks and the internet, directing data packets to their intended destinations. While routers offer significant benefits for both home and business environments, they also come with certain limitations that users should consider. Router Network Configuration Device A Device B Router Internet Router ...
Read More