The provided information outlines the usage of Cisco CLI commands for cable testing using TDR (time-domain reflectometer) tests on a network interface. TDR tests are used to characterize and locate faults in metallic cables, helping to identify cabling problems. Here’s a breakdown of the details: TDR Test Overview: TDR (Time-Domain Reflectometer) is an electronic instrument … Read more
Intro : tcp-rst-from-server – TCP RST” (Reset) / is a control message in the TCP (Transmission Control Protocol) used to reset a TCP connection. It’s sent by one party to terminate a connection abruptly or to indicate an error condition. The phrase “tcp-rst-from-server” could refer to a situation where a server sends a TCP RST packet … Read more
Introduction: get-networkadapter Network adapters are essential components that enable communication between your computer or virtual machine and the network. In the realm of PowerShell and PowerCLI, the `get-networkadapter` command offers a versatile way to manage and retrieve information about your network adapters. In this post, we’ll delve into the various functionalities and commands associated with … Read more
Introduction : The internet widely utilizes BGP (Border Gateway Protocol) as an external gateway protocol for transmitting routing and reachability data between autonomous systems (ASes). Autonomous systems consist of collections of IP networks and routers controlled by a single organization, which presents a unified routing policy to the internet. Here’s the provided information presented in … Read more
Introduction In the dynamic landscape of networking, the efficient and reliable delivery of data is paramount. Routing protocols form the backbone of this process, guiding data packets through the intricate web of networks. An often overlooked yet critical component of routing protocols is the concept of administrative distances. In this comprehensive guide, we will delve … Read more
Public DNS Security, DNS Threats, DNS Mitigations, Internet Security, DNS Privacy, DNS Protection Public DNS (Domain Name System) security is a critical aspect of maintaining a secure and reliable internet experience. DNS is responsible for translating human-readable domain names (like www.example.com) into IP addresses that computers use to communicate with each other. Ensuring the security … Read more
Introduction In the world of networking, security is paramount. One of the fundamental components of securing network connections is the use of PSK (pre-shared key) on a Cisco ASA. These keys provide a secure method for devices to establish encrypted communication. In this article, we’ll delve into the process of how to view the PSK … Read more
RIBs vs FIBs vs CEF and Data Plane vs Control Plane (How it all works) Explore the intricate workings of RIBs vs FIBs vs CEF and the Data Plane vs Control Plane in networking. Understand the differences, mechanisms, and importance of each element in modern networking architectures. Introduction rib vs fib In the realm of … Read more
Port Speed: Port speed refers to the maximum data transfer rate that a specific network port can support. It is a measure of the capacity of an individual port to transmit and receive data. Port speed measurement usually involves bits per second (bps), megabits per second (Mbps), or gigabits per second (Gbps), determining the speed … Read more
RFC 1918, known as “Address Allocation for Private Internets,” plays a pivotal role in the world of networking. Within its pages, it delineates three specific ranges of IPv4 addresses reserved exclusively for employment within secluded networks. These addresses find their purpose in environments like organizations, homes, and other secluded setups, where the demand for private … Read more