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By Zayden R., July 21, 2026
NetworkManager 1.58 has been released, featuring 464XLAT CLAT support and a new GENEVE interface, enhancing wired and wireless network management on Linux.
NetworkManager 1.58 has just been released, offering significant updates that will appeal to anyone managing Linux networks. This version introduces support for 464XLAT CLAT, a crucial feature for IPv4 connectivity over IPv6-only networks. Alongside this, the inclusion of a GENEVE interface further strengthens its capacity to handle modern networking demands.
For those unfamiliar, 464XLAT is a method that allows IPv4 connectivity through IPv6-only networks, an increasingly important capability as IPv4 addresses become scarce. This feature will be particularly useful for environments transitioning to IPv6 but still needing to support legacy IPv4 applications.
The addition of GENEVE (Generic Network Virtualization Encapsulation) interface support is another forward-thinking move. GENEVE is a protocol designed to encapsulate network packets, facilitating network virtualization. It's widely used in data centers and cloud environments for its flexibility and scalability. By integrating GENEVE, NetworkManager 1.58 enhances its ability to manage complex network setups.
The practical impact of these enhancements is substantial. Sysadmins and network engineers can now manage their network configurations with greater ease and efficiency. The support for 464XLAT and GENEVE reflects the ongoing push towards more robust and future-proof networking solutions in Linux.
Overall, NetworkManager 1.58 represents a solid improvement in Linux network management. As networks grow in complexity and the transition to IPv6 continues, these updates provide the tools needed to keep pace with evolving demands.