I haven't tested myself yet, but I will need to have multiple external networks as well very soon. I was looking at this blogpost: http://www.ajo.es/post/86497974174/using-multiple-external-networks-in-openstack Have you tried it yet? .a. -- antonio.s.messina at gmail.com antonio.messina at uzh.ch +41 (0)44 635 42 22 S3IT: Service and Support for Science IT http://www.s3it.uzh.ch/ University of Zurich Winterthurerstrasse 190 CH-8057 Zurich Switzerland