Boot integration of the Openvswitch in Ubuntu

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. The […]

Updated: 17/01/2021 — 12:02

OpenStack Liberty Neutron Deployment (Part 6 start a VM in the tenant defined network)

Now it is time to start a VM. Up to now, no DHCP server is running for the tenant’s network n1. # # first we need the ID of the image to be used # glance image-list +————————————–+———————–+————-+——————+———–+——–+ | ID | Name | Disk Format | Container Format | Size | Status | +————————————–+———————–+————-+——————+———–+——–+ | […]

Updated: 16/01/2021 — 13:41

OpenStack Liberty Neutron Deployment (Part 5 Add Router and Net/Subnet)

Create a router and set a gateway Now it’s time to create a router and set a gateway. # # create a router neutron router-create r1 # # attach the router to floating pool 1 # # list the external networks # neutron net-external-list +————————————–+———————+—————————————————–+ | id | name | subnets | +————————————–+———————+—————————————————–+ | f79385f6-e878-4450-9ed9-e906f6985149 […]

Updated: 17/01/2021 — 13:17

OpenStack Liberty Neutron Deployment (Part 4 Network Setup)

After the successful deployment of the Operating system and the Openstack software, the external networks and the shared flat networks must be allocated by the Openstack admin. Allocate the floating pools (external networks) The neutron commands to create the two external networks for floating pools are: # run with admin credentials # # „vlannet“ is […]

Updated: 17/01/2021 — 13:17

OpenStack Liberty Neutron Deployment (Part 3 Neutron Config)

When a distributed setup of Neutron is used, many Neutron configuration files must be synchronized to all nodes running neutron components. Linux network namespaces must be enabled. neutron.conf The base configuration file on the Control node contains many options. Some of these (not all!) are shown below in this deployment: # # does not contain […]

Updated: 17/01/2021 — 14:35