Fedora 35 + Vagrant

 sudo dnf install @vagrant

 sudo dnf install nfs-utils && sudo systemctl enable nfs-server

sudo firewall-cmd --permanent --zone=libvirt --add-service=nfs3 \
    && sudo firewall-cmd --permanent --zone=libvirt --add-service=nfs \
    && sudo firewall-cmd --permanent --zone=libvirt --add-service=rpc-bind \
    && sudo firewall-cmd --permanent --zone=libvirt --add-service=mountd \
    && sudo firewall-cmd --reload

sudo visudo

# Allow Vagrant to manage /etc/exports
Cmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/tee -a /etc/exports
Cmnd_Alias VAGRANT_NFSD_CHECK = /usr/bin/systemctl status --no-pager nfs-server.service
Cmnd_Alias VAGRANT_NFSD_START = /usr/bin/systemctl start nfs-server.service
Cmnd_Alias VAGRANT_NFSD_APPLY = /usr/sbin/exportfs -ar
Cmnd_Alias VAGRANT_EXPORTS_REMOVE = /bin/sed -r -e * d -ibak /*/exports
Cmnd_Alias VAGRANT_EXPORTS_REMOVE_2 = /bin/cp /*/exports /etc/exports
%vagrant ALL=(root) NOPASSWD: VAGRANT_EXPORTS_ADD, VAGRANT_NFSD_CHECK, VAGRANT_NFSD_START, VAGRANT_NFSD_APPLY, VAGRANT_EXPORTS_REMOVE, VAGRANT_EXPORTS_REMOVE_2
sudo getent group vagrant >/dev/null || sudo groupadd -r vagrant
sudo gpasswd -a ${USER} vagrant
sudo -u ${USER} ${SHELL}

https://developer.fedoraproject.org/tools/vagrant/vagrant-libvirt.html

https://developer.fedoraproject.org/tools/vagrant/vagrant-nfs.html