Articles about networking | UserComp.com

Ethernet Recognition Issue via USB-Hub: Connecting Laptop to Internet

Experiencing issues with your laptop recognizing an Ethernet connection when using an external USB-hub? Learn how to troubleshoot and resolve this common problem.

Failed to Activate Online: systemd-networkd-wait-online.service on Raspberry Pi OpenMediaVault

While setting up a new home server using a Raspberry Pi 4 and OpenMediaVault 6, I encountered an issue with the systemd-networkd-wait-online.service. This article provides a suggested solution to help activate the online service.

Using Static Routes to Connect Two Routers: A Tech Support Guide

Learn how to set up static routes to connect two routers. This tech support guide covers the process for routers R1 and R2, where R1 is connected to the internet with IP 192.168.10.1 and subnet mask 255.255.255.0, and R2 is connected to R1's LAN port and R1's WAN port.

Avahi: Setting the Visibility Duration of Local Domains on Linux Devices

Learn how to set the visibility duration of local domains on Linux devices using Avahi. This includes instructions for devices running Linux and Android with Termux.

Sharing Internet Connection Remotely: ISP Tips for Slower Connections

Learn effective methods to share an internet connection remotely across cities, states, or countries with your Internet Service Provider's assistance. Addressing slow or inferior connections.

Setting up Dockerized WireGuard with Custom DNS in Multi-Lab Environment

Learn how to set up Dockerized WireGuard with custom DNS in a multi-lab environment. Create a host network and assign IP addresses to each lab.

Ethernet vs Wi-Fi: Connecting Multiple Devices with Cables

Learn the differences between Ethernet and Wi-Fi connections when it comes to connecting multiple devices. Discover the advantages and disadvantages of each technology.

Dialing Router: Creating a Broadband Connection for Your PC

Learn how to create a broadband connection for your PC using a dialing router. This guide covers the process for both scenarios: when the router doesn't need to create a broadband connection and when it does.

Understanding IPv4 Route Table and '127.0.0.1' Belonging to Interface/Adapter

In this article, we will discuss the IPv4 route table and the significance of '127.0.0.1' belonging to the interface or adapter. We will also explore the active routes in detail.

Windows 7: Block Specific URL Not Resolving After HOSTS File Modification

Users of Windows 7 may encounter issues with blocking specific URLs via the HOSTS file modification. Although this method is commonly used, the URLs do not get resolved as expected. In this article, we will discuss potential causes and solutions to help you block the desired URLs in Windows 7.

LAN Networking: Local DNS Name Not Working in Windows Browser for Ubuntu Home Server 'lenovo'

A user reports that their Ubuntu home server named 'lenovo', which runs a few HTTP servers accessible on the home LAN, is not resolving the local DNS name in the Windows browser. This article provides a suggested solution.

Troubleshooting: Different IP Address and Gateway

Encountered an issue where a computer failed to go online due to a mismatched IP address and gateway. Learn how to troubleshoot and resolve this problem.

Linux Tech Support: Successfully Forwarding Mirrored Ethernet Packets to an External VNIC

In this tech support article, we'll guide you through the process of successfully forwarding mirrored Ethernet packets to an external VNIC using Linux and tc AWS Traffic Mirroring.

Ping Issue: Windows 11 and Kali Linux Laptop Not Responding to Ping Commands

Users report that their Windows 11 and Kali Linux dual-boot system is not responding to ping commands when trying to ping IP addresses such as 192.168.1.84 and 192.168.1.51. This issue may cause ping hangs.

Troubleshooting Traffic Forwarding with Multiple Machines on a LAN

In a LAN environment with multiple Linux machines deploying web-service backends, investigating network traffic using tcpdump can reveal performance issues. This article explains how to diagnose and resolve traffic forwarding problems.

Understanding Dynamic Public IP Addresses in Tech Support

Users may encounter different public IP addresses when accessing a tech support site. This article explains why this happens and how to identify and troubleshoot the issue.

Raspberry Pi Getting Multiple IP Addresses: DHCP Conflicts

This article explains how to resolve DHCP conflicts on a Raspberry Pi that is receiving multiple IP addresses.

Syncing Files Between Devices on the Same WiFi Network: Is There a Specific Network Interface to Use?

When transferring files between devices connected on the same WiFi network, users may encounter slow transfer speeds. This article explores the possibility of using a specific network interface to improve file transfer performance.

Communicating with Internal NICs using iptables: Route Internet Traffic

Learn how to communicate with internal NICs (enp2s0 and enp3s0) using iptables to route internet traffic on a Linux system with three NICs, where one is connected to the internet (enp1s0).

Synology DSM Moved to New LAN, Unable to Access Devices on 192.168.1.x

Users report issues accessing devices on their private network after upgrading or moving Synology DSM to a new LAN with an IP address range of 192.168.1.x.

Setting Up New OPNsense with Almost Default Config and DNS Access Sites on Protected Laptop

Learn how to set up a new OPNsense firewall with almost default configurations and configure DNS access sites on a protected laptop.

Unable to Access Internet after Changing Router: Troubleshooting SSH Connection in Proxmox

This article explains the steps to troubleshoot SSH connection issues in Proxmox when the router is changed.

Bare Metal OS Routes Traffic Through Tor: A Comprehensive Guide

Learn how to route traffic from a Bare Metal OS through Tor for enhanced security and privacy. This article covers the setup process and provides essential tips for configuring your system.

Unable to Connect VirtualBox Guest OS (Rocky Linux 8) to Host (Windows 11) - No Internet Connectivity

This article provides a solution to the issue of a Rocky Linux 8 guest OS failing to connect to the internet on a Windows 11 host using VirtualBox.

Troubleshooting Ping Shows Received Packets with LAN Cabled Disconnected

Encountered an issue where your system is receiving ping packets despite having a disconnected LAN cable. Learn how to troubleshoot this issue by setting IP address manually.

LAN Cabled Disconnected: Pings Showing Received Packets?

Learn the reasons why your LAN-cabled device might still receive ping responses even when the cable is disconnected. Follow our step-by-step guide to resolve this issue.

Configuring MacOS EAP-TLS Authentication without MDM

Learn how to configure EAP-TLS authentication on MacOS without using Mobile Device Management (MDM). This step-by-step guide covers the necessary settings and configurations.

Configuring /etc/hosts on Debian 12: Proper Way to Set Hostname with IP Addresses

In this tech support article, we will guide you through the process of configuring the /etc/hosts file on Debian 12 to set a hostname with its corresponding IP address.

RDP Won't Connect with Public IP Despite Local Network Port Being Open

The user reports that they have already forwarded the RDP port and confirmed that it's open, but they cannot connect to the RDP server using the public IP address. The issue seems to occur only when connecting from outside the local network.

Gigabit Internet Connection Slows Down After Introducing 4-Port Gigabit Switch

A user reports experiencing slower Gigabit internet connection after introducing a 4-port Gigabit switch. Possible causes and solutions are discussed.

Access SAMBA Drive Denied: SSH Ping Working on Two Devices

This article explains a common issue where access to a SAMBA drive is denied despite a successful SSH ping between two devices. The article suggests possible causes and solutions for this problem.

Windows 11/10 Network: Why aren't Computers Showing Up?

Learn how to troubleshoot and resolve issues with Windows 11/10 computers not showing up on the network. This guide covers various network configurations, including Gigabit Ethernet, DHCP servers, and workgroup settings.

Persistent Names for Network Interfaces in Linux Mint 21.3: A Predictable Naming Scheme

Learn how to assign persistent names to network interfaces in Linux Mint 21.3, ensuring a predictable naming scheme for PCI devices.

Port Forwarding on Second Router Connected to Primary One

Learn how to configure port forwarding on a second router connected to a primary one, when the ISP router doesn't have a password and cannot be logged into.

Connecting a Type Cable (Optic Fiber) to a Router: ASUS RT-AX86U Setup

Learn how to connect a type cable (optic fiber) to the ASUS RT-AX86U router. This guide covers the necessary steps to set up the connection and troubleshoot issues with the input cable.

Setting Up a LAN: Making One PC Act as an Internet Gateway for Controlling Data Traffic for 20 Clients

Learn how to set up one PC as an internet gateway for 20 clients on a LAN, allowing for data traffic control.

Windows 11: Laptop Can't Recognize Ethernet Connection Via Switch (Non-Windows Device)

Learn how to resolve Windows 11's inability to recognize an Ethernet connection through a switch with a non-Windows device. Follow these steps to set up a manual IP address and diagnose potential network issues.

Understanding the Evolution of L3 Layer: From IPv4 to IPv6

This tech support article explores the evolution of the L3 layer in networking, focusing on the transition from IPv4 to IPv6. Discover the significance of this change and its impact on network performance and security.

Configure WSL2 Networking Settings for Accessing Azure Private Endpoint

This article explains how to configure WSL2 networking settings to access an Azure Private Endpoint. Despite the project running fine in Windows, the Azure Key Vault resources at the Private Endpoint are not accessible. We will cover updating config files to resolve this issue.

Devices: Secondary Router Unreachable - Primary Router (TP-Link AX1500 and TP-Link AX1800)

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