+++ This bug was initially created as a clone of Bug #1021778 +++ Description of problem: puppet-neutron doesn't support VXLAN option. Only Flat, VLAN & GRE
No you can't, this is a openstack-puppet-modules change.
Checked openstack-puppet-modules-2013.2-5.el6ost.noarch against the code in the patch https://review.openstack.org/#/c/5557. It does have the proper changes included.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2014-0046.html