In honor of Xen Doc Day, I've put up some basic HOWTOs for setting up bridging on CentOS 6 and 7. I'm far from an expert, so I'd appreciate any feedback. The howtos can be found here: https://wiki.centos.org/HowTos/Xen/Xen4QuickStart/Xen4Networking6 https://wiki.centos.org/HowTos/Xen/Xen4QuickStart/Xen4Networking7 -George