= Features/NetworkManagerBridging = https://fedoraproject.org/wiki/Features/NetworkManagerBridging
Feature owner(s): Pavel Šimerda <psimerda at redhat.com>, Dan Williams <dcbw at redhat dot com>
NetworkManager should be able to configure bridge interfaces with commonly used options and recognize their existing configuration on startup without disrupting their operation.
== Detailed description == A bridge connects two or more physical or virtual network interfaces to allow network traffic to flow between the two interfaces at a low level. Bridging is commonly used to connect Virtual Machines to the outside world; a bridge interface is created, to which a physical interface (typically ethernet) is assigned as a slave, and a virtual interface (typically TAP) is created and also assigned to the bridge as a slave, and then given to the Virtual Machine. Thus traffic from one or more VMs can be combined and sent out of the machine via the physical interface.
This setup is currently done either manually using ifcfg files and ifup/ifdown, or by a tool like libvirt/netcf. NetworkManager should be able to configure bridge interfaces and their slaves with the same functionality as provided by libvirt, and should recognize and not disrupt existing bridge connections when it starts up.
devel-announce@lists.fedoraproject.org
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Jaroslav Reznik