# LXD > This is the documentation for LXD, a system container and virtual machine manager. 2014-2026 AGPL-3.0, LXD contributors ## Pages in this subsection - [How to add a routed NIC device to a virtual machine](https://canonical.com/lxd/docs/default/howto/instances_routed_nic_vm/index.html.md): When adding a routed NIC device to an instance, you must configure the instance to use the link-loca... ## Optional - [Top-level llms.txt](https://canonical.com/lxd/docs/default/llms.txt): Complete documentation index.