TCP/IP Networking Basics Tutorial in PDF

• Basic Router Concepts, What is a Router?, Routing Information Protocol
• Internet Protocol (IP) Addresses, Netmask, Subnet Addressing, Private IP Addresses
• Single IP Address Operation Using NAT
• Media Access Control (MAC) Addresses and Address Resolution Protocol
• Related Documents, Domain Name System (DNS) Server
• IP Configuration by DHCP
• Internet Security and Firewalls, What is a Firewall?
• Ethernet Cabling
• Category 5 Cable Quality, Inside Twisted Pair Cables
• Uplink Switches, Crossover Cables, and MDI/MDIX Switching

Learning the TCP/IP Networking Basics

TCP/IP (Transmission Control Protocol/Internet Protocol) is the standard protocol for sending data over networks. It is the foundation of the internet and most other networks that connect computers and devices.

The TCP portion of TCP/IP is responsible for establishing and maintaining a reliable connection between two devices. It does this by using a system of acknowledgments and retransmissions to ensure that all data is correctly received.

The IP portion of TCP/IP is responsible for routing data packets to their destination. Each device on a TCP/IP network has an individual IP address, which is used to specify the device and determine where to route data packets.

TCP/IP is a layered protocol, with each layer building on top of the previous one. The TCP/IP model has four main layers:

1. The Link Layer: This layer is responsible for physically connecting devices to the network and handling data transmission at the lowest level.
2. The Internet Layer: This layer is responsible for routing data packets across the network using IP addresses.
3. The Transport Layer: This layer is responsible for setting up and keeping connections between devices and ensuring that data is received correctly.
4. The Application Layer: This layer delivers the user services like email, file transfer, and web browsing.

TCP/IP is a standard protocol widely used in many networks, including the internet, local area networks (LANs), and wide area networks (WANs). It is also commonly used in embedded systems, such as routers and other networking equipment.

In summary, TCP/IP is a standard communication protocol for transmitting data over networks. A layered protocol establishes and maintains connections between devices and routes data packets to their destinations using IP addresses. It is widely used in many different types of networks, including the internet, LANs, and WANs, as well as embedded systems.