Articles in Networking | UserComp.com

Understanding Tunneling Protocols

Learn about the concept of tunneling protocols, how they work, and their significance in network communication.

Setting Network Machines Behind Dynamically Assigned IPs

Learn how to set up network machines behind dynamically assigned IPs, a common scenario for machines in different subnets and locations that are connected via G5. Discover the steps to ensure your IP address appears correctly.

Connecting Two Devices on a Wireless Local Network

Two devices want to communicate within a wireless local network. One device wants to talk to another device outside the network, like the Internet. Here's how to set it up.

Traceroute to Government Restricted IP

Learn how to traceroute to a government restricted IP, despite seeing local router's private NAT IP addresses.

VLANs Not Working as Assigned on WLAN - Tech Support

Experiencing issues with VLANs not working as assigned on your WLAN? Learn about VLANs, their setup, and common issues in this tech support article. Read more for a proper explanation and solutions.

Return Traffic Not Routed Properly Through Pass-Through Server

A local server network has a pass-through server assigned a public IP (WAN IP) to handle externally initiated traffic. However, return traffic is not being routed properly. This article will discuss troubleshooting steps to resolve the issue.

Understanding Iperf3 and Retries: A Comprehensive Guide

This article provides a comprehensive guide on Iperf3, focusing on the retries feature. We'll discuss why specifying the window size is important when using Iperf3, and how to do so using the -w flag.

Laptop 2 Not Pulling IP from PFsense Running on VirtualBox Hosted Laptop 1

This article provides a solution for a networking issue where Laptop 2 fails to pull an IP from PFsense, which is running on a VirtualBox hosted on Laptop 1.

Isolating TP-Link Network from Home Network Maintaining Internet Access

Learn how to isolate a TP-Link network from your home network while maintaining internet access. This article will guide you through setting up a two-router system with a Linksys Smart WiFi router and a TP-Link ER605 router.

Allowing PCs Access to the Web with Two Ethernet Adapters on Windows 10

This article provides a solution for Windows 10 users who have two Ethernet adapters and want to allow PCs on the internal network to access the web. The primary adapter is configured as a router and hosts a DHCP server.

Allowing Specific Device on Different Subnet for Guest Wi-Fi Network

This article explains how to allow a specific device on a different subnet for a Guest Wi-Fi network using an Asus GT-BE98 router. The Plex server running on a Linux box with subnet 192.168.100.x has been moved to a TV dedicated 'Guest Wi-Fi' network with DHCP 10.10.10.x.

Fix: Destination Host Unreachable Error on PCLaptop (Ethernet/WiFi)

This article provides solutions for the Destination Host Unreachable error on a PCLaptop, whether connected via Ethernet or WiFi. The error occurs when the laptop seems fine but fails to connect to the network.

Understanding mDNS Packets with Subnet Mask 255.255.255.255

This article explains how mDNS packets function when a subnet mask of 255.255.255.255 is used, addressing the question of whether it isolates devices on a local network from receiving mDNS messages.

Understanding 'Connection' and 'Session' in Networking

This article explains the terms 'Connection' and 'Session' in networking, with examples and differences between them. Learn how they work together in establishing and maintaining network communication.

Bypassing Netgear Router DNS for Consistent Internet Speeds

Learn how to bypass the DNS of a Netgear Nighthawk router to consistently achieve high-speed Internet connections.

Troubleshooting Strong Swan Lancom Device Connection Issues

Having trouble connecting your Strong Swan Lancom device? Learn how to troubleshoot and resolve common connection issues with this comprehensive guide. Don't let network problems slow you down - read more to find a solution.

Running an FTP Server on a Home Server with Static IP Address Accessible on the Internet

Learn how to access an FTP server on a home server with a static IP address when changing internet providers and receiving a new IP address, such as a 5G internet provider.

Configuring Cross-Network Connections for Your Home Network: A Comprehensive Guide

Learn how to configure cross-network connections for your home network with this comprehensive guide. Boost your network's performance and expand its capabilities. Read more to get started.

Configuring DMZ to Reach Internet but Not Internal Network

This article provides a step-by-step guide on how to configure a DMZ to allow a server within it to reach the internet, but not the internal network. It applies to Linux, Windows, and MacOS systems.

Combining Two Networks into One Network on Huawei EG8145V5 Router

Learn how to combine two separate networks into one network on a Huawei EG8145V5 router. This guide is suitable for beginners and covers the basics of network configuration.

How to Fix Duplicate IP Addresses After DHCP Server Restart on Mesh WiFi

Learn how to resolve duplicate IP address issues in your Google WiFi mesh setup when the DHCP pool is managed by the main AP/router. Follow these steps to fix the problem and improve your network performance.

Existing Tools for Computer-to-Computer Relay Server Connection

This article explores various tools that allow two computers to connect and establish a relay server for routing information locally when the first computer sends data to the second. We discuss popular tools such as Hamachi, NoMachine, and TeamViewer, and compare their features and compatibility.

Can a Host Ping a PC Inside a VMware Workstation from Outside?

Learn if it's possible to ping a host PC that resides inside a VMware Workstation from outside, using an example with a VM IP address 172.16.10.10.

Issue Accessing Network IPs after DHCP Reservation on Pi Hole and Asus Routers

Having trouble accessing network IPs after setting up DHCP reservation on Pi Hole and Asus routers? This issue might be caused by custom firmware like Merlin. Learn how to resolve it here.

Troubleshooting Local Server Access Issues on Your Network

Having trouble accessing your local server on your network? Learn how to troubleshoot and resolve the issue, even if you can't access it using a public IP. This guide covers common causes and solutions for server access issues on Technicolor setups.

Troubleshooting Unexpected Behavior with Ethernet Flow Control on a Tech Support Site

Having trouble with a 100Mbps switch connected to three 100Mbps cameras and a monitor? Learn how bandwidth limitation due to cable use can be solved without altering the cable. This article provides a solution to the problem and invites the audience to read more on the tech support site.

Ethernet Flow Control Unexpected Behavior: Troubleshooting Bandwidth Problems

Experiencing bandwidth problems on a 100Mbps switch connected to three 100Mbps devices? Let's troubleshoot the unexpected Ethernet Flow Control behavior.

Bypass VPN IPv6: A Comprehensive Guide for Tech Support

Learn how to bypass VPN IPv6 on your Linux, Windows, or MacOS system. Our step-by-step guide provides a solution for those who need to access IPv6 addresses while connected to a VPN. Follow our SEO-optimized article and improve your tech support skills today.

Accessing Files Stored on USB Drive Connected to Second Router with Devices Connected to First Router

Learn how to access files stored on a USB drive connected to a second router while devices are connected to the first router. This guide covers methods for Linux, Windows, and MacOS.

Setting Up Local Network File Sharing with Two Routers as a Wi-Fi Extender

Learn how to set up local network file sharing with two routers, one acting as a Wi-Fi extender to improve Wi-Fi signal coverage and the other for regular network usage.

Don't See Message in Wireshark Capture? Here's What to Do

If you're trying to capture network traffic with Wireshark but can't see the message in your TCP connection, there are a few steps you can take to troubleshoot the issue. Check out this guide for tips on how to optimize your Wireshark capture and ensure you're seeing all the relevant network traffic.

L7 Port Forwarding vs L3 Destination NAT for Internet

Exploring the differences between L7 port forwarding and L3 Destination NAT in the context of internet connectivity. Understanding when to use port forwarding for local scenarios and when L3 NAT is a better choice.

What Causes Junk Characters to Appear in Ethernet (Default Switch) Device Name?

If you've encountered junk characters in your Ethernet (Default Switch) device name, this article can help. We'll explore possible causes and provide solutions to ensure your device names display correctly. Read more to learn how to maintain a well-organized network environment.

Prioritizing Failover DNS Servers: A Solution

Learn how to prioritize DNS failover servers to ensure optimal DNS resolution and minimize downtime. This article covers solutions for Linux, Windows, and MacOS systems.

UDP Server Cannot Send Response Back to Sender Via Router: A Troubleshooting Guide

This article provides a solution to the issue where an UDP server cannot send responses back to the sender through a router. The article covers the causes and steps to resolve this problem on various operating systems such as Linux, Windows, and MacOS.

Multiple VLANs Single Interface Isolation: Switching Between Locations

Learn how to set up isolation for multiple VLANs on a single interface when switching between physical locations. This article covers configurations for switches connected to an ISP and a nearby server.

Port Mapping: Making Your Local Server Accessible on the Internet

Learn how to make your local server accessible on the internet through port mapping. This step-by-step guide covers the process for first-time users, making their servers reachable via the user's network and the internet.

Understanding IP Class Subnetting: Class C vs. Class B

IP class subnetting is a crucial concept in networking. This article explains the differences between Class C and Class B subnets, and how to calculate the number of hosts in each.

Understanding Link-Local IPv6 Addresses: 10.0.0.0/8

Link-local IPv6 addresses, starting with the prefix 10.0.0.0/8, play a crucial role in IPv6 communication. Learn about their functions and how to manage them.

Setting Up OpenVPN Client with Windows PC and Web Server on Port 5001

Learn how to configure an OpenVPN client on a Windows PC and connect to a web server listening on port 5001. This setup allows secure access to the web server over the VPN connection.

Bidirectional Port Forwarding: A Comprehensive Approach to Device Communication

In this article, we will discuss the concept of bidirectional port forwarding and provide advice on how to approach it for remote device communication between a Computer A and Computer B. Learn about the benefits, considerations, and steps to set it up effectively.

Subnetting within a Single IP Range vs Using Multiple IP Ranges for a Small Network with 1+3 Routers Setup

In this tech support article, we compare subnetting within a single IP range (e.g. 192.168.1.x) to using multiple IP ranges (e.g. 192.168.1.x and 192.168.2.x) for a small network with 1+3 routers setup. We explore the topology, advantages, and disadvantages of each approach. Whether you're using a main wireless router, R1 connected to the ISP, device 1 connected to R1, another wireless router, R2, and device 2 connected to R2 - understanding subnetting is crucial for optimizing your network's performance. Read more to learn how to make an informed decision.

Developing IPv4 Addressing Scheme for VLANs: Assigning Subnets and Hosts

In this tech support article, we will guide you through the process of developing an IPv4 addressing scheme for VLANs by assigning subnets and hosts. Let's explore the specifics of VLANs 99, 10, and 20, and learn how to calculate network addresses, subnet masks, first/last usable addresses, and broadcast addresses.

VLAN Configuration without Inter-VLAN Routing for Internet Access on Cisco Catalyst 3850 Switch with TP-Link AX20 and Asus RT-N12 Routers

Learn how to configure multiple VLANs on a Cisco Catalyst 3850 switch and connect them to the internet using TP-Link AX20 and Asus RT-N12 routers without inter-VLAN routing.

Understanding Ping and ARP in macOS VM Bridging, OpenWRT Routers, and Kubernetes Clusters

Learn about the role of ping and ARP in macOS virtual machines, OpenWRT routers, and Kubernetes clusters. This SEO-optimized abstract introduces the key concepts of VM bridging, subnets, and pod CIDR while inviting the audience to read more about troubleshooting and managing network connectivity in tech support.

Troubleshooting Domain Network Dropping: A Case Study with Three Switches

In this tech support article, we'll explore the causes and solutions for domain network dropping issues in a three-switch environment. Let's dive into the specifics of this case.

Security Concerns of Using Dynamic DNS IPs Behind a NAT Router for a Private Home Network

Learn about the potential security risks of using Dynamic DNS IPs behind a NAT router for a private home network, such as an OwnCloud server.

Port Alerts on Lowest Ports: A Home Network Issue

Over the past two months, using a Honeypot in our household brand name home network, we've noticed an increase in Port Alerts on the lowest ports used by devices and appliances. Let's explore the possible causes and solutions.

TCP/IP Model: Get Port Information - A Tech Support Guide

Learn how to get port information in the TCP/IP model, a crucial aspect of networking. This guide explains the process in Linux, Windows, and MacOS, helping you troubleshoot and optimize your network's data passing. Dive into this essential tech support topic today!

Effective Packet Loss Reduction and Speed Up with a 100Mb Switch on OPNsense Setup

In this article, we will discuss a common issue in OPNsense setups with a PC connected to a 5-port gigabit switch and another switch in a roommate's room with an 8-port gigabit switch. The setup sometimes kicks users off, leading to packet loss and reduced internet speeds. We will explore how a 100Mb switch can effectively reduce packet loss and increase the speed of the network.