The installation of the Openvswitch on Ubuntu brings an automatic integration into the boot sequence. When Ubuntu is booted, the Openvswitch is also started. Any bridge or port, which has been defined in previous sessions, is restored. BUT: No L3 interfaces are set up, junk interfaces, which have been defined in previous sessions, are restored. […]
Openvswitch related information
The most challenging task, when starting to work with Openstack is the setup of the networking. There is the physical network infrastructure used by the hardware components of the cloud and the virtual network infrastructure used by the tenants of the cloud. The virtual network infrastructure must run/be mapped to the physical network infrastructure. When […]
In a previous article I showed an analysis of the Openflow rules on the OVS bridge used for tunneling traffic between nodes. Openstack Neutron offers an option to populate MAC entries on br-tun. In order to use this option, the mechanism driver l2population has to be added to the file ml2_conf.ini .
type_drivers = vxlan,local,vlan,flat
tenant_network_types = vxlan
mechanism_drivers = openvswitch,l2population
When using […]