Articles about pv | UserComp.com

IPv6 works inside LAN, doesn't externally
IPv6 works inside LAN, doesn't externally

Learn how IPv6 works within a Local Area Network (LAN) and why it doesn't work externally, including solutions for running multiple web servers on a home network with HTTPS.

Read More
Running IPv6 DNS Server Inside CentOS Docker Container
Running IPv6 DNS Server Inside CentOS Docker Container

This article explains how to run an IPv6 DNS server inside a CentOS Docker container. Follow these steps to set up a DNS server that resolves IPv6 requests within the container.

Read More
Calibre Server Access Issue: IPv6 Loopback Works, but not IPv4 on Windows 11 Pro
Calibre Server Access Issue: IPv6 Loopback Works, but not IPv4 on Windows 11 Pro

Having trouble accessing Calibre Server on your Windows 11 Pro laptop using IPv4 loopback? This article provides a brief overview of the issue and a possible solution. Read more to learn how to resolve this problem.

Read More
Calibre Server Access Issue: IPv6 Loopback Works, But Not IPv4 Loopback or IPv4 Address
Calibre Server Access Issue: IPv6 Loopback Works, But Not IPv4 Loopback or IPv4 Address

Having trouble accessing your Calibre server on your Windows 11 laptop? This article covers a specific issue where IPv6 loopback works, but IPv4 loopback and IPv4 address fail. Learn more about the problem and potential solutions in this SEO-optimized abstract.

Read More
Duplicate IPv6 SLAAC route on non-default table in AlmaLinux 9.5
Duplicate IPv6 SLAAC route on non-default table in AlmaLinux 9.5

This article discusses a problem with duplicate IPv6 SLAAC routes on a non-default table in AlmaLinux 9.5. It provides a solution to resolve this issue.

Read More
MPV Screenshot Size vs. Image Size: Reducing Quality in MPV?
MPV Screenshot Size vs. Image Size: Reducing Quality in MPV?

In this article, we'll discuss how to adjust the image quality when taking screenshots using MPV, a versatile media player. We'll explore the impact of screenshot size versus image size and provide steps to reduce the image quality for faster image finding.

Read More
Configuring NFTv6 Duplex Prefix Rewriting in OpenWRT 24.10 for Multiple Internet Providers
Configuring NFTv6 Duplex Prefix Rewriting in OpenWRT 24.10 for Multiple Internet Providers

In this article, we'll show you how to extend a 3GPP WAN interface/64 prefix via PDN in OpenWRT 24.10 using nftables v1.1.1 and NPTv6. This will enable you to configure multiple Internet providers and optimize your network for better performance. Read more to learn how to implement this technology on your OpenWRT system.

Read More
Hosting Dedicated Game Server with IPv4 CGNAT: Challenges and Solutions
Hosting Dedicated Game Server with IPv4 CGNAT: Challenges and Solutions

Hosting a dedicated game server with an IPv4 address behind a Carrier-Grade NAT (CGNAT) can be challenging. However, with the right solutions, it is possible. This article explores the issues and provides guidance on bridging the gap for a seamless gaming experience.

Read More
IPv4 Routes Not Respected with OpenConnect VPN: Race Condition?
IPv4 Routes Not Respected with OpenConnect VPN: Race Condition?

Having trouble with IPv4 routes not being respected while using OpenConnect VPN on your campus network? This may be due to a race condition. Learn more about this issue and possible solutions here. Read more on our tech support site.

Read More
IPv6 DHCPD and RADVD Routing Issue: Statically Routed Devices Fail to Obtain IPv6 Addresses
IPv6 DHCPD and RADVD Routing Issue: Statically Routed Devices Fail to Obtain IPv6 Addresses

This article discusses a common issue where devices like TVs and Chromecasts fail to obtain IPv6 addresses despite a well-configured statically routed network via MikroTik. We will explore potential solutions to this problem.

Read More
Match Traffic Destination MAC using nftables for Remote IPv6 LAN Access with Dynamic IP
Match Traffic Destination MAC using nftables for Remote IPv6 LAN Access with Dynamic IP

This article explains how to match traffic destination MAC using nftables for remote IPv6 LAN access with dynamic IP. If you want to use IPv6 remotely to access a machine with a non-fixed IP address, this guide will help you set up nftables rules to match traffic using MAC addresses instead. Learn how to configure your network for secure and seamless remote access.

Read More
Bypass VPN IPv6: A Comprehensive Guide for Tech Support
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.

Read More
Possible to Encode BMPVVC to MP4 using FFmpeg? Here's How for 8K 60fps
Possible to Encode BMPVVC to MP4 using FFmpeg? Here's How for 8K 60fps

Learn how to encode BMPVVC video to MP4 format using FFmpeg with 8K resolution and 60fps. Improve your video encoding skills and get the best out of your video files. Read more for detailed instructions.

Read More
Ubuntu 22.04 and RFC 8200: Fragment Header Exclusions
Ubuntu 22.04 and RFC 8200: Fragment Header Exclusions

This article discusses the implications of RFC 8200 on Ubuntu 22.04, focusing on the exclusion of Upper-Layer headers in the first fragment. Fragment discarding mechanisms and their impact on network traffic are also explored.

Read More
Can't Get IPv6 Working on Fedora Linux VM with Virt-Manager: Host Configured Correctly
Can't Get IPv6 Working on Fedora Linux VM with Virt-Manager: Host Configured Correctly

Having trouble getting IPv6 to work on a Fedora Linux virtual machine configured in Virt-Manager, while the host is correctly configured for IPv6? This article provides a possible solution to this issue.

Read More
Interface-Specific IPv6 Forwarding Configuration Effect on Ubuntu 22.04 with eth0 and tap0 interfaces
Interface-Specific IPv6 Forwarding Configuration Effect on Ubuntu 22.04 with eth0 and tap0 interfaces

This article explains how to configure interface-specific IPv6 forwarding on Ubuntu 22.04 with eth0 and tap0 interfaces. Learn how to send IPv6 packets between host1, router, and host2.

Read More
Explicitly Dropping IPv6 Packets with ip6tables - A Tech Support Guide
Explicitly Dropping IPv6 Packets with ip6tables - A Tech Support Guide

Learn how to explicitly drop IPv6 packets using ip6tables, a powerful networking tool for Linux systems. This guide covers the basics of using ip6tables to manage IPv6 traffic and enhance network security. Follow along with the example command and tcpdump output to see packets being dropped. If you're a tech support professional or a network administrator, this article is for you.

Read More
Effortlessly Write Files to Tape with tar, pv, and Get Progress Bar
Effortlessly Write Files to Tape with tar, pv, and Get Progress Bar

In this tech support article, we will discuss how to write files to tape using the tar and pv commands, providing a progress bar for a seamless experience. This tutorial is particularly useful for Linux users who want to back up their data on a tape drive. Learn how to write a file to tape with the tar-cvf/dev/nst0 myfile command and view the file on tape with tar-tvf/dev/nst0. Follow our step-by-step guide for an efficient and optimized experience.

Read More
Ubuntu 22.04: How to Permanently Accept IPv6 Auto Configuration via Router Advertisement Messages
Ubuntu 22.04: How to Permanently Accept IPv6 Auto Configuration via Router Advertisement Messages

Learn how to configure Ubuntu 22.04 to accept IPv6 auto configuration via Router Advertisement messages. This tutorial provides a step-by-step guide to make the necessary changes in the sysctl.conf file and ensure they persist across reboots.

Read More
Dualstack IPV4/IPV6: Bad Connection in Call of Duty
Dualstack IPV4/IPV6: Bad Connection in Call of Duty

Experience connectivity issues in Call of Duty while using Dualstack IPV4/IPV6? Learn how to resolve this problem on Linux, Windows, and MacOS.

Read More
Understanding Link-Local IPv6 Addresses: 10.0.0.0/8
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.

Read More
Unable to Configure WinRM HTTP Filter with GPO: IPv4 Range Not Changing
Unable to Configure WinRM HTTP Filter with GPO: IPv4 Range Not Changing

This article explains how to troubleshoot and resolve the issue of WinRM HTTP filter not changing IPv4 range through Group Policy Object (GPO).

Read More
Fixing Firefox's Association with .webm Files despite MPV Mime Type Configuration
Fixing Firefox's Association with .webm Files despite MPV Mime Type Configuration

Learn how to resolve the issue of Firefox opening .webm files instead of MPV, even after setting the correct mime type association. Follow our step-by-step guide to resolve this problem on Linux, Windows, or MacOS.

Read More
Developing IPv4 Addressing Scheme for VLANs: Assigning Subnets and Hosts
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.

Read More
Windows 10 Host Always Requests DCHPv6 Address: Troubleshooting Dual-Stack Networks
Windows 10 Host Always Requests DCHPv6 Address: Troubleshooting Dual-Stack Networks

Learn how to address the issue where a Windows 10 host constantly requests a DHCPv6 address, even when Router Advertisements are present in a dual-stack network environment. Optimize your SEO with this concise and informative tech support article.

Read More
Can't Ping IPv6 Address: Troubleshooting Network Unreachability
Can't Ping IPv6 Address: Troubleshooting Network Unreachability

Having trouble pinging or connecting to an IPv6 address? Learn about possible causes and solutions for 'ping: connect: Network unreachable' and 'traceroute6: unreachable' errors, and how to effectively troubleshoot IPv6 network issues.

Read More
Unable to Access Internet with NAT64 Network Sharing on MacBook Pro running macOS High Sierra
Unable to Access Internet with NAT64 Network Sharing on MacBook Pro running macOS High Sierra

This article provides a solution for users experiencing issues accessing the internet with NAT64 Network Sharing enabled on their MacBook Pro running macOS High Sierra. The issue occurs when smartphones fail to connect to the shared network. This article offers troubleshooting steps to resolve the problem.

Read More
Ubuntu 24.04.1 LTS Server: systemd-networkd and DHCPv4 client on enp4s0 takes too long
Ubuntu 24.04.1 LTS Server: systemd-networkd and DHCPv4 client on enp4s0 takes too long

This article discusses an issue where a well-behaved interface wlp2s0 on an Ubuntu 24.04.1 LTS server receives DHCPv4 configuration within 2 seconds, but the enp4s0 interface takes an unusually long time. We explore possible causes and solutions.

Read More
Troubleshooting Multiple IPv6 Gateways on Windows 2016 Standard Server
Troubleshooting Multiple IPv6 Gateways on Windows 2016 Standard Server

Having issues with multiple IPv6 gateways on your Windows 2016 Standard Server? Learn about potential causes and troubleshooting steps to resolve the problem. Read more for practical tech support advice.

Read More
Determining If One IPv4 Address Is Visible from Another in Networking
Determining If One IPv4 Address Is Visible from Another in Networking

Learning TCP/IP networking can be tricky, and understanding whether one host can reach another is crucial. This article provides an overview of how to determine if an IPv4 address is visible from another in a network.

Read More
Debugging IPv6 Routing with Multiple Interfaces on a Linux Server with IPSec (Libreswan) Installed
Debugging IPv6 Routing with Multiple Interfaces on a Linux Server with IPSec (Libreswan) Installed

Having trouble getting IPv6 routing to work on your Linux server with two NICs and Libreswan IPSec installed? This article will provide tips and insights on how to debug and resolve the issue, ensuring your VPN works seamlessly across both networks.

Read More
Encountering Strange Extra IPv6 Addresses on Your Local Network
Encountering Strange Extra IPv6 Addresses on Your Local Network

If you're running a DHCPv6 server on Windows Server 2008 R2 and have several computers on your LAN using both IPv4 and IPv6, you might encounter strange extra IPv6 addresses. Here's what you need to know.

Read More
Set Up Public IPv6 on Ubuntu Server 22.04 and Raspberry Pi: A Beginner's Guide
Set Up Public IPv6 on Ubuntu Server 22.04 and Raspberry Pi: A Beginner's Guide

Learn how to set up a public IPv6 address for your Ubuntu Server 22.04 and Raspberry Pi devices. This beginner's guide will walk you through the process of running devices without NAT and hosting a small server even on your home router. Try it out and improve your networking skills!

Read More
Understanding IPv4 Packet IHL (Internet Header Length) Total Length Field
Understanding IPv4 Packet IHL (Internet Header Length) Total Length Field

The IPv4 packet's Internet Header Length (IHL) field indicates the size of the header. Instead of counting the header length in bytes, it represents it in 32-bit words. This article explains the need-to-know information about this field, including why it is useful to count the header length in two places (IHL and HLEN) for clarity.

Read More
Prefer Similar IPv6 Source Address for Outbound Connections in Windows 10/11
Prefer Similar IPv6 Source Address for Outbound Connections in Windows 10/11

Learn how to configure Windows 10/11 to prefer a similar IPv6 source address for outbound connections in a multi-homing setup with two IPv6 Global Unicast Addresses (GUAs) and different Internet Service Providers (ISPs) using edge router source-based policy routing. A step-by-step guide is provided to help you optimize your network performance.

Read More
Possible Single IPVM Use in Different Networks: A Look into DNS Administration
Possible Single IPVM Use in Different Networks: A Look into DNS Administration

Explore the possibility of using a single IPVM in different networks, focusing on DNS administration. Learn about network configurations such as office and home IP ranges (10.x.x.x/21 and 192.x.x.x/24) and their impact on IPVM implementation.

Read More
How to Share Internet Connection via ICS in Windows 10 with IPv6
How to Share Internet Connection via ICS in Windows 10 with IPv6

Learn how to share your internet connection via ICS in Windows 10, enabling IPv6 support for non-internet facing devices. Follow the simple steps to set up a dual-stack network for your devices.

Read More
Weird IPv6 Issue with Windows Server DNS on IPv4 Network: Unable to Resolve Local Hostnames
Weird IPv6 Issue with Windows Server DNS on IPv4 Network: Unable to Resolve Local Hostnames

Experiencing issues with Windows Server DNS on an IPv4 network where local hostnames are not being resolved using a single DNS server for the primary domain? Learn more about this peculiar IPv6 issue and how to resolve it.

Read More
Windows Virtual Machines: Running Ubuntu Successfully with IPv6 in VirtualBox
Windows Virtual Machines: Running Ubuntu Successfully with IPv6 in VirtualBox

This article provides a step-by-step guide on how to run Ubuntu and Windows 10 virtual machines in VirtualBox using IPv6 addresses.

Read More
IPv4 vs IPv6 Source Address Tunnel with Wireguard: Separate Routing and IP Checking
IPv4 vs IPv6 Source Address Tunnel with Wireguard: Separate Routing and IP Checking

Learn how to set up a Wireguard tunnel for separate IPv4 and IPv6 routing, and how it affects IP checking on a website tunnel. Disabling NATv4 can lead to blocked traffic.

Read More
Access Network Share via Dynamic IPv6: Using IPv6-literal.net
Access Network Share via Dynamic IPv6: Using IPv6-literal.net

Learn how to access network shares using dynamic IPv6 addresses with the help of ipv6-literal.net. Follow the instructions to configure your network settings.

Read More
Network Manager's IPv4 Routes Creation with nmcli: An Alternative to Manually Deleting Routes
Network Manager's IPv4 Routes Creation with nmcli: An Alternative to Manually Deleting Routes

Learn how to create IPv4 routes using Network Manager and nmcli instead of manually deleting routes with ip route command.

Read More
Accessing Debian 12 VirtualBox on Windows 11: Service Issue with IPv6
Accessing Debian 12 VirtualBox on Windows 11: Service Issue with IPv6

Learn how to access a Debian 12 Linux virtual machine running on VirtualBox, installed on a Windows 11 host, using IPv6.

Read More
Managing IPv6 Addresses in Home Networks: A Beginner's Guide
Managing IPv6 Addresses in Home Networks: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network, with a focus on practical applications and troubleshooting common issues. This beginner's guide covers managing IPv6 addresses on your WAN and LAN.

Read More
Managing IPv6 Addresses in Home Network: A Beginner's Guide
Managing IPv6 Addresses in Home Network: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network. This beginner's guide covers the essentials for both WAN and LAN configurations.

Read More
IPv6-only LTE Connection on Purism Librem 5 Phone: SSH Server Unreachable
IPv6-only LTE Connection on Purism Librem 5 Phone: SSH Server Unreachable

Users report issues connecting to an SSH server using an IPv6-only LTE connection on their Purism Librem 5 phones running PureOS. This article provides suggestions for troubleshooting the issue.

Read More
Enable IPv6 Bridge Mode for VDSL Internet: Resolve Double NAT and No IPv6 Issues
Enable IPv6 Bridge Mode for VDSL Internet: Resolve Double NAT and No IPv6 Issues

Learn how to enable IPv6 Bridge Mode on your ASUS DSL-AC68U and TP-Link Archer AX6000 routers to resolve double NAT and no IPv6 issues with your VDSL internet service.

Read More
Calix Gigaspire BLASTER Router: Disabling IPv6
Calix Gigaspire BLASTER Router: Disabling IPv6

Learn how to completely disable IPv6 protocol on a Calix Gigaspire BLASTER router, including instructions on disabling DHCPv6 and IPv6 settings.

Read More
IPv6 Firewall Rule: Allowing Public Access to Two Different Web Servers (Ports 80 and 443)
IPv6 Firewall Rule: Allowing Public Access to Two Different Web Servers (Ports 80 and 443)

This article explains how to create a firewall rule in Unifi Security Gateway to allow public access to two different web servers using IPv6 protocol and ports 80 and 443.

Read More
MobaXterm and Raspberry Pi: Unable to Connect to IPv6 VNC Host
MobaXterm and Raspberry Pi: Unable to Connect to IPv6 VNC Host

This article explains how to resolve the issue of being unable to connect to an IPv6 VNC host using MobaXterm on a Raspberry Pi.

Read More