Greetings, Packstack package has been updated in RDO Grizzly EPEL6 repo to openstack-packstack-2013.1.1-0.27.dev672.el6. Changelog: * Mon Aug 19 2013 Martin Mágr <mmagr(a)redhat.com&gt; - 2013.1.1-0.27.dev672 - Added net.bridge.bridge-nf-call*=1 for --allinone installation (#997941) - Added global option --exclude-servers=EXCLUDE_SERVERS (#996782) Regards, Martin