https://support.tools/tags/linux-networking/Recent content in Linux Networking on Support ToolsHugoen-USSat, 08 Nov 2025 10:00:00 -0500https://support.tools/ubuntu-router-nat-configuration-guide-2025/Sat, 08 Nov 2025 10:00:00 -0500https://support.tools/ubuntu-router-nat-configuration-guide-2025/<p>Ubuntu servers can function as powerful network routers with NAT capabilities, providing enterprise-grade routing, firewall protection, and network services. This comprehensive guide covers router configuration, iptables management, advanced networking features, and enterprise deployment strategies.</p>https://support.tools/configuring-network-nmstate-k3s/Sat, 01 Mar 2025 00:00:00 -0500https://support.tools/configuring-network-nmstate-k3s/<p>Managing network interfaces in Kubernetes can be challenging, especially when dealing with multiple networks or complex configurations. This comprehensive guide demonstrates how to use the NMState Operator and Multus CNI in K3s to implement advanced networking configurations, create network bridges, and manage multiple network interfaces effectively.</p>https://support.tools/disable-ipv6-ubuntu/Sun, 18 Feb 2024 00:29:19 -0600https://support.tools/disable-ipv6-ubuntu/<p>IPv6 is the future of networking, but there are many scenarios where disabling it on Ubuntu servers might be necessary. Whether you&rsquo;re troubleshooting network issues, improving security, or ensuring compatibility with legacy applications, turning off IPv6 can be beneficial.</p>