OpenStack Xena : Configure Networking2021/11/22 |
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Configure Networking for Virtual Machine Instances.
For example, configure FLAT type of networking on here.
The Node has 2 network interfaces like follows.
eth0|10.0.0.30
+-----------+-----------+
| [ Control Node ] |
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| MariaDB RabbitMQ |
| Memcached httpd |
| Keystone Glance |
| Nova API,Compute |
| Neutron Server |
| L2,L3,Metadata Agent |
+-----------+-----------+
eth1|(UP with no IP)
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| [1] | Configure Neutron services. |
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# add bridge [root@dlp ~(keystone)]# ovs-vsctl add-br br-eth1
# add [eth1] to the port of the bridge above # replace the name [eth1] to your own environment [root@dlp ~(keystone)]# ovs-vsctl add-port br-eth1 eth1
[root@dlp ~(keystone)]#
vi /etc/neutron/plugins/ml2/ml2_conf.ini # add to the end [ml2_type_flat] flat_networks = physnet1
[root@dlp ~(keystone)]#
vi /etc/neutron/plugins/ml2/openvswitch_agent.ini # add to the end [ovs] bridge_mappings = physnet1:br-eth1 systemctl restart neutron-openvswitch-agent |
| [2] | Create virtual network. |
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[root@dlp ~(keystone)]#
projectID=$(openstack project list | grep service | awk '{print $2}') # create network named [sharednet1] [root@dlp ~(keystone)]# openstack network create --project $projectID \ --share --provider-network-type flat --provider-physical-network physnet1 sharednet1 +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | | | created_at | 2021-11-22T03:47:05Z | | description | | | dns_domain | None | | id | e2ac29e8-55e4-4111-8a2f-14e250288440 | | ipv4_address_scope | None | | ipv6_address_scope | None | | is_default | False | | is_vlan_transparent | None | | mtu | 1500 | | name | sharednet1 | | port_security_enabled | True | | project_id | 7e53ef14eb894f379ea1929f5defc949 | | provider:network_type | flat | | provider:physical_network | physnet1 | | provider:segmentation_id | None | | qos_policy_id | None | | revision_number | 1 | | router:external | Internal | | segments | None | | shared | True | | status | ACTIVE | | subnets | | | tags | | | updated_at | 2021-11-22T03:47:05Z | +---------------------------+--------------------------------------+ # create subnet [10.0.0.0/24] in [sharednet1] [root@dlp ~(keystone)]# openstack subnet create subnet1 --network sharednet1 \ --project $projectID --subnet-range 10.0.0.0/24 \ --allocation-pool start=10.0.0.200,end=10.0.0.254 \ --gateway 10.0.0.1 --dns-nameserver 10.0.0.10 +----------------------+--------------------------------------+ | Field | Value | +----------------------+--------------------------------------+ | allocation_pools | 10.0.0.200-10.0.0.254 | | cidr | 10.0.0.0/24 | | created_at | 2021-11-22T03:47:31Z | | description | | | dns_nameservers | 10.0.0.10 | | dns_publish_fixed_ip | None | | enable_dhcp | True | | gateway_ip | 10.0.0.1 | | host_routes | | | id | 0918f78c-3a45-485f-834f-93d1e9982a40 | | ip_version | 4 | | ipv6_address_mode | None | | ipv6_ra_mode | None | | name | subnet1 | | network_id | e2ac29e8-55e4-4111-8a2f-14e250288440 | | project_id | 7e53ef14eb894f379ea1929f5defc949 | | revision_number | 0 | | segment_id | None | | service_types | | | subnetpool_id | None | | tags | | | updated_at | 2021-11-22T03:47:31Z | +----------------------+--------------------------------------+ # confirm settings [root@dlp ~(keystone)]# openstack network list +--------------------------------------+------------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+------------+--------------------------------------+ | e2ac29e8-55e4-4111-8a2f-14e250288440 | sharednet1 | 0918f78c-3a45-485f-834f-93d1e9982a40 | +--------------------------------------+------------+--------------------------------------+[root@dlp ~(keystone)]# openstack subnet list +--------------------------------------+---------+--------------------------------------+-------------+ | ID | Name | Network | Subnet | +--------------------------------------+---------+--------------------------------------+-------------+ | 0918f78c-3a45-485f-834f-93d1e9982a40 | subnet1 | e2ac29e8-55e4-4111-8a2f-14e250288440 | 10.0.0.0/24 | +--------------------------------------+---------+--------------------------------------+-------------+ |
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