This is wrong. A bridge does not need an ip address itself to pass traffic from interface A to interface C, so it could look like this: hw interface a <---> bridge b <---> vm interface c 192.168.1.3 none 192.168.1.4 Keep in mind that bridging takes place on layer 2: https://en.wikipedia.org/wiki/Bridging_%28networking%29 HTH Am 14.06.2014 08:41, schrieb lee: > But when you attach them to bridges and don't have IP addresses on the > bridges, then they are unreachable. -- Mit freundlichen Grüßen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG Königsberger Straße 6 32339 Espelkamp T: +49-5772-293-100 F: +49-5772-293-333 https://www.mittwald.de Geschäftsführer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen