diff --git a/doc/explanation/networking.md b/doc/explanation/networking.md
index 2731f12c2..2d34ae9e2 100644
--- a/doc/explanation/networking.md
+++ b/doc/explanation/networking.md
@@ -74,6 +74,7 @@ A dedicated underlay network serves as the physical infrastructure over which th
 - **Optimized performance**: Enables predictable latency and bandwidth for sensitive applications.
 - **Scalable design**: Allows the overlay network to scale independently of other networks.
 
+(exp-networking-ovn-alternatives)=
 ### Alternatives
 
 If you decide to not use MicroOVN, MicroCloud falls back on the [Ubuntu fan](https://github.com/ubuntu/wiki-archives/blob/main/UbuntuWiki/F/FanNetworking.wiki) for basic networking. MicroCloud will still be usable, but you will see some limitations, including:
diff --git a/doc/reference/requirements.md b/doc/reference/requirements.md
index b429bd97c..01f7bf673 100644
--- a/doc/reference/requirements.md
+++ b/doc/reference/requirements.md
@@ -134,6 +134,8 @@ We recommend an LTS version of Ubuntu 22.04 or newer. Production deployments sub
 
 If you intend to use ZFS storage, use a non-HWE (Hardware Enabled) variant of Ubuntu 22.04.
 
+If you do not set up distributed networking with MicroOVN, MicroCloud falls back on the Ubuntu Fan for networking (see {ref}`exp-networking-ovn-alternatives`), which requires the `vxlan` kernel module.
+
 Also see LXD's {doc}`lxd:requirements` and Ceph's {doc}`ceph:start/os-recommendations`.
 
 (reference-requirements-software-snaps)=