How are IP Packets Routed on a Local Area Network

How are IP Packets Routed on a Local Area Network

IP Packet Delivery on a Local Area Network is a fundamental concept that all system and network administrators should have a clear understanding of. How do computers decide where to …

What are Private IP Addresses?

What are Private IP Addresses?

The Internet Assigned Numbers Authority (IANA) has reserved certain IP addresses ranges as private addresses for use within a local area network (LAN). These IP ranges follow the standards set …

Introduction to IP Addressing

Introduction to IP Addressing

An IPv4 address is used to uniquely identify a host on a TCP/IP network. An IPv4 address is made up of a 32-bit number, which is expressed in four octets. …

What is DHCP?

What is DHCP?

IP Networks use the Dynamic Host Configuration Protocol (DHCP), or Bootstrap Protocol (BOOTP) to dynamically assign an IP address whenever a TCP host connects to the local area network. The …

Introduction to Remote Access

Introduction to Remote Access

The traditional corporate network is no longer implemented as a simple local area network (LAN) made up of desktops plugged into a wired infrastructure. While the majority of nodes still …

What are Split-Brain, Split-Horizon are Split-DNS

What are Split-Brain, Split-Horizon are Split-DNS

Split-Brain DNS, Split-Horizon DNS, or Split DNS are terms used to describe when two zones for the same domain are created, one to be used by the internal network, the …

Windows Internet Naming Service (WINS)

Windows Internet Naming Service (WINS)

The Windows Internet Naming Service (WINS) is a Microsoft implementation of the NetBIOS Name Service (NBNS), a name server and service for NetBIOS computer names. WINS provides a central mapping …

What is a Network Router?

What is a Network Router?

A router is a hardware or software that forwards packets based on IP address information in the packets that it receives. It is most common to route packets based on …

Network Cabling

Network Cabling

On a local area network (LAN), network devices will traditionally connect to each other using some type of cabling. Even on LANs that have a wireless segment, the access points …

Using PING to Test for Network Connectivity

Using PING to Test for Network Connectivity

The PING command can be a quick and easy tool to use to test for network connectivity issues. You should first determine if your local TCP/IP settings are correct before …

OSI: Layer 2 - Data Link

OSI: Layer 2 – Data Link

The data link layer is the second layer (layer 2) of the seven-layer OSI model. The data link layer responds to requests from the network layer above it and issues …

OSI: Layer 4 - Transport

OSI: Layer 4 – Transport

The transport layer is the fourth layer (layer 4) of the seven-layer OSI model. The transport layer provides end-to-end communication services for applications. Layer 4 takes care of assembling and …

Scroll to Top