IPv4 on Support Toolshttps://support.tools/tags/ipv4/Recent content in IPv4 on Support ToolsHugoen-USTue, 27 Oct 2026 00:00:00 -0500Configuring IPv4 and IPv6 Preferences in Linux: A Comprehensive Guidehttps://support.tools/configuring-ipv4-ipv6-preferences/Sun, 15 Feb 2026 09:00:00 -0600https://support.tools/configuring-ipv4-ipv6-preferences/<p>Master the art of configuring IPv4 and IPv6 preferences in Linux systems to optimize network performance and reliability.</p>NAT64 and DNS64 on Linux: Tayga and BIND 9 Configurationhttps://support.tools/nat64-dns64-ipv6-transition-enterprise-guide/Tue, 15 Apr 2025 10:00:00 -0500https://support.tools/nat64-dns64-ipv6-transition-enterprise-guide/<p>NAT64 lets IPv6-only clients reach IPv4-only servers: DNS64 synthesizes an AAAA record inside a NAT64 prefix such as <code>64:ff9b::/96</code>, and a NAT64 gateway translates packets sent to that prefix into IPv4. This page gives a working Tayga gateway and BIND 9 resolver first, then the high-availability, monitoring and prefix planning material for larger networks.</p>Force apt to Use IPv4 (Acquire::ForceIPv4) and Prefer IPv4https://support.tools/configure-ipv4-ipv6-preference/Sun, 30 Mar 2025 09:00:00 -0600https://support.tools/configure-ipv4-ipv6-preference/<p>A comprehensive guide to managing IPv4 and IPv6 preferences in Linux systems, helping you optimize network connectivity and resolve common issues.</p>