Ubuntu 24.04

OpenStack Flamingo : Neutron ネットワークを構成 (VXLAN)2025/11/20

 

OpenStack Network Service(Neutron)による仮想ネットワークの構成です。

例として、VXLAN タイプのネットワークを構成します。
事前に以下のように Control ノードNetwork ノードCompute ノードの 各 Neutron サービスノードを構築済みであることが前提です。

また、当例では Network ノードが 2 つのネットワークインターフェースを持っているものとします。
また、下例で eth1 の方は IP なしでインターフェースを UP しています。
* IP なしでのインターフェース UP の設定はこちらの [1] を参照

------------+--------------------------+--------------------------+------------
            |                          |                          |
        eth0|10.0.0.30             eth0|10.0.0.50             eth0|10.0.0.51
+-----------+-----------+  +-----------+-----------+  +-----------+-----------+
|   [ dlp.srv.world ]   |  | [ network.srv.world ] |  |  [ node01.srv.world ] |
|     (Control Node)    |  |     (Network Node)    |  |     (Compute Node)    |
|                       |  |                       |  |                       |
|  MariaDB    RabbitMQ  |  |  Neutron L2/L3 Agent  |  |        Libvirt        |
|  Memcached  Nginx     |  |   Neutron Metadata    |  |      Nova Compute     |
|  Keystone   httpd     |  |     Open vSwitch      |  |    Neutron L2 Agent   |
|  Glance     Nova API  |  |                       |  |      Open vSwitch     |
|  Neutron Server       |  |                       |  |                       |
|  Neutron Metadata     |  |                       |  |                       |
+-----------------------+  +-----------+-----------+  +-----------------------+
                                   eth1|(UP with no IP)

[1] Control ノードで以下のように設定変更します。
root@dlp ~(keystone)#
vi /etc/neutron/plugins/ml2/ml2_conf.ini
# 167行目 : [tenant_network_types] に値を追記

tenant_network_types =
vxlan
# 227行目 : 追記

[ml2_type_flat]
flat_networks = physnet1
# 283行目 : 追記

[ml2_type_vxlan]
vni_ranges = 1:1000
root@dlp ~(keystone)#
systemctl restart apache2

[2] Network ノードで以下のように設定変更します。
# ブリッジ追加

root@network:~#
ovs-vsctl add-br br-eth1
# 追加したブリッジのポートに [eth1] を追加
# [eth1] は環境によって異なるため自身の名称に置き換え

root@network:~#
ovs-vsctl add-port br-eth1 eth1
root@network:~#
vi /etc/neutron/plugins/ml2/ml2_conf.ini
# 167行目 : [tenant_network_types] に値を追記

tenant_network_types =
vxlan
# 227行目 : 追記

[ml2_type_flat]
flat_networks = physnet1
# 283行目 : 追記

[ml2_type_vxlan]
vni_ranges = 1:1000
root@network:~#
vi /etc/neutron/plugins/ml2/openvswitch_agent.ini
# 173行目 : 追記

[agent]
tunnel_types = vxlan
prevent_arp_spoofing = True
# 333行目 : 追記

[ovs]
local_ip = 10.0.0.50
bridge_mappings = physnet1:br-eth1
root@network:~#
vi /etc/neutron/dhcp_agent.ini
# 77行目 : 追記

dnsmasq_config_file = /etc/neutron/dnsmasq-neutron.conf
root@network:~#
vi /etc/neutron/dnsmasq-neutron.conf
# 新規作成

dhcp-option-force=26,1450
root@network:~#
systemctl restart neutron-l3-agent neutron-dhcp-agent neutron-metadata-agent neutron-openvswitch-agent

[3] Compute ノードで以下のように設定変更します。
root@node01:~#
vi /etc/neutron/plugins/ml2/ml2_conf.ini
# 167行目 : [tenant_network_types] に値を追記

tenant_network_types =
vxlan
# 227行目 : 追記

[ml2_type_flat]
flat_networks = physnet1
# 283行目 : 追記

[ml2_type_vxlan]
vni_ranges = 1:1000
root@node01:~#
vi /etc/neutron/plugins/ml2/openvswitch_agent.ini
# 173行目 : 追記

[agent]
tunnel_types = vxlan
prevent_arp_spoofing = True
# 333行目 : 当ノードのローカル IP アドレスを追記

[ovs]
local_ip = 10.0.0.51
root@node01:~#
systemctl restart neutron-openvswitch-agent

[4] 仮想ルーターを作成します。作業場所はどこでもよいですが、当例では Control ノード上で作業します。
root@dlp ~(keystone)#
openstack router create router01

+-------------------------+--------------------------------------+
| Field                   | Value                                |
+-------------------------+--------------------------------------+
| admin_state_up          | UP                                   |
| availability_zone_hints |                                      |
| availability_zones      |                                      |
| created_at              | 2025-11-20T02:04:49Z                 |
| description             |                                      |
| distributed             | False                                |
| enable_ndp_proxy        | None                                 |
| external_gateway_info   | null                                 |
| flavor_id               | None                                 |
| ha                      | False                                |
| id                      | 979dffed-1e9f-4b51-947f-944fc793bbb5 |
| name                    | router01                             |
| project_id              | a74433b11b71428b949de54795e408e7     |
| revision_number         | 1                                    |
| routes                  |                                      |
| status                  | ACTIVE                               |
| tags                    |                                      |
| updated_at              | 2025-11-20T02:04:49Z                 |
+-------------------------+--------------------------------------+
[5] 内部用のネットワークを作成し、仮想ルーターに関連付けます。
# 内部用ネットワーク作成

root@dlp ~(keystone)#
openstack network create private --provider-network-type vxlan

+---------------------------+--------------------------------------+
| Field                     | Value                                |
+---------------------------+--------------------------------------+
| admin_state_up            | UP                                   |
| availability_zone_hints   |                                      |
| availability_zones        |                                      |
| created_at                | 2025-11-20T02:05:18Z                 |
| description               |                                      |
| dns_domain                | None                                 |
| id                        | ab5b5c1f-50c2-4ab1-9575-5d6a8967e53c |
| ipv4_address_scope        | None                                 |
| ipv6_address_scope        | None                                 |
| is_default                | None                                 |
| is_vlan_qinq              | None                                 |
| is_vlan_transparent       | None                                 |
| mtu                       | 1450                                 |
| name                      | private                              |
| port_security_enabled     | True                                 |
| project_id                | a74433b11b71428b949de54795e408e7     |
| provider:network_type     | vxlan                                |
| provider:physical_network | None                                 |
| provider:segmentation_id  | 778                                  |
| qos_policy_id             | None                                 |
| revision_number           | 1                                    |
| router:external           | Internal                             |
| segments                  | None                                 |
| shared                    | False                                |
| status                    | ACTIVE                               |
| subnets                   |                                      |
| tags                      |                                      |
| updated_at                | 2025-11-20T02:05:18Z                 |
+---------------------------+--------------------------------------+

# 内部用ネットワークにサブネット作成

root@dlp ~(keystone)#
openstack subnet create private-subnet --network private \
--subnet-range 192.168.100.0/24 --gateway 192.168.100.1 \
--dns-nameserver 10.0.0.10

+----------------------+--------------------------------------+
| Field                | Value                                |
+----------------------+--------------------------------------+
| allocation_pools     | 192.168.100.2-192.168.100.254        |
| cidr                 | 192.168.100.0/24                     |
| created_at           | 2025-11-20T02:05:46Z                 |
| description          |                                      |
| dns_nameservers      | 10.0.0.10                            |
| dns_publish_fixed_ip | None                                 |
| enable_dhcp          | True                                 |
| gateway_ip           | 192.168.100.1                        |
| host_routes          |                                      |
| id                   | 6f46fc91-33c2-4366-bc29-bb1309f1d063 |
| ip_version           | 4                                    |
| ipv6_address_mode    | None                                 |
| ipv6_ra_mode         | None                                 |
| name                 | private-subnet                       |
| network_id           | ab5b5c1f-50c2-4ab1-9575-5d6a8967e53c |
| project_id           | a74433b11b71428b949de54795e408e7     |
| revision_number      | 0                                    |
| router:external      | False                                |
| segment_id           | None                                 |
| service_types        |                                      |
| subnetpool_id        | None                                 |
| tags                 |                                      |
| updated_at           | 2025-11-20T02:05:46Z                 |
+----------------------+--------------------------------------+

# 仮想ルーターに内部ネットワークを設定

root@dlp ~(keystone)#
openstack router add subnet router01 private-subnet
[6] 外部接続用のネットワークを作成し、仮想ルーターに関連付けます。
# 外部用ネットワーク作成

root@dlp ~(keystone)#
openstack network create \
--provider-physical-network physnet1 \
--provider-network-type flat --external public

+---------------------------+--------------------------------------+
| Field                     | Value                                |
+---------------------------+--------------------------------------+
| admin_state_up            | UP                                   |
| availability_zone_hints   |                                      |
| availability_zones        |                                      |
| created_at                | 2025-11-20T02:06:13Z                 |
| description               |                                      |
| dns_domain                | None                                 |
| id                        | 357baba5-ba4e-4bdd-af37-60b226a91764 |
| ipv4_address_scope        | None                                 |
| ipv6_address_scope        | None                                 |
| is_default                | False                                |
| is_vlan_qinq              | None                                 |
| is_vlan_transparent       | None                                 |
| mtu                       | 1500                                 |
| name                      | public                               |
| port_security_enabled     | True                                 |
| project_id                | a74433b11b71428b949de54795e408e7     |
| provider:network_type     | flat                                 |
| provider:physical_network | physnet1                             |
| provider:segmentation_id  | None                                 |
| qos_policy_id             | None                                 |
| revision_number           | 1                                    |
| router:external           | External                             |
| segments                  | None                                 |
| shared                    | False                                |
| status                    | ACTIVE                               |
| subnets                   |                                      |
| tags                      |                                      |
| updated_at                | 2025-11-20T02:06:13Z                 |
+---------------------------+--------------------------------------+

# 外部用ネットワークにサブネット作成

root@dlp ~(keystone)#
openstack subnet create public-subnet \
--network public --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 --no-dhcp

+----------------------+--------------------------------------+
| Field                | Value                                |
+----------------------+--------------------------------------+
| allocation_pools     | 10.0.0.200-10.0.0.254                |
| cidr                 | 10.0.0.0/24                          |
| created_at           | 2025-11-20T02:06:35Z                 |
| description          |                                      |
| dns_nameservers      | 10.0.0.10                            |
| dns_publish_fixed_ip | None                                 |
| enable_dhcp          | False                                |
| gateway_ip           | 10.0.0.1                             |
| host_routes          |                                      |
| id                   | 55d4737e-da91-411f-9431-4b46498a8770 |
| ip_version           | 4                                    |
| ipv6_address_mode    | None                                 |
| ipv6_ra_mode         | None                                 |
| name                 | public-subnet                        |
| network_id           | 357baba5-ba4e-4bdd-af37-60b226a91764 |
| project_id           | a74433b11b71428b949de54795e408e7     |
| revision_number      | 0                                    |
| router:external      | True                                 |
| segment_id           | None                                 |
| service_types        |                                      |
| subnetpool_id        | None                                 |
| tags                 |                                      |
| updated_at           | 2025-11-20T02:06:35Z                 |
+----------------------+--------------------------------------+

# 仮想ルーターにゲートウェイを設定

root@dlp ~(keystone)#
openstack router set router01 --external-gateway public

[7] 作成したネットワークは、外部用はデフォルトで全プロジェクトがアクセス可能ですが、内部用はデフォルトでは [admin] プロジェクトのみがアクセス可能なため、内部ネットワークを利用させたいプロジェクトにアクセス権限を付与しておきます。
# ネットワーク RBAC リスト表示

root@dlp ~(keystone)#
openstack network rbac list

+-------------------------------+-------------+--------------------------------+
| ID                            | Object Type | Object ID                      |
+-------------------------------+-------------+--------------------------------+
| 7cac80da-422a-4bbc-9c14-      | network     | 357baba5-ba4e-4bdd-            |
| bf57cad82f8e                  |             | af37-60b226a91764              |
+-------------------------------+-------------+--------------------------------+

# RBAC の詳細
# [access_as_external] のみ全プロジェクトがアクセス可能な状態

root@dlp ~(keystone)#
openstack network rbac show 7cac80da-422a-4bbc-9c14-bf57cad82f8e

+-------------------+--------------------------------------+
| Field             | Value                                |
+-------------------+--------------------------------------+
| action            | access_as_external                   |
| id                | 7cac80da-422a-4bbc-9c14-bf57cad82f8e |
| object_id         | 357baba5-ba4e-4bdd-af37-60b226a91764 |
| object_type       | network                              |
| project_id        | a74433b11b71428b949de54795e408e7     |
| target_project_id | *                                    |
+-------------------+--------------------------------------+

# 作成済みネットワーク一覧

root@dlp ~(keystone)#
openstack network list

+---------------------------------+---------+----------------------------------+
| ID                              | Name    | Subnets                          |
+---------------------------------+---------+----------------------------------+
| 357baba5-ba4e-4bdd-             | public  | 55d4737e-da91-411f-9431-         |
| af37-60b226a91764               |         | 4b46498a8770                     |
| ab5b5c1f-50c2-4ab1-9575-        | private | 6f46fc91-33c2-4366-bc29-         |
| 5d6a8967e53c                    |         | bb1309f1d063                     |
+---------------------------------+---------+----------------------------------+

# 作成済みプロジェクト一覧

root@dlp ~(keystone)#
openstack project list

+----------------------------------+-----------+
| ID                               | Name      |
+----------------------------------+-----------+
| 17d8e190750a402d920eedf933aea358 | service   |
| a74433b11b71428b949de54795e408e7 | admin     |
| b45ce8ac12c749e49e933c84334e79de | hiroshima |
+----------------------------------+-----------+

# [private] への [access_as_shared] アクセス権を [hiroshima] プロジェクトに付与

root@dlp ~(keystone)#
netID=$(openstack network list | grep private | awk '{ print $2 }')

root@dlp ~(keystone)#
prjID=$(openstack project list | grep hiroshima | awk '{ print $2 }')

root@dlp ~(keystone)#
openstack network rbac create --target-project $prjID --type network --action access_as_shared $netID

+-------------------+--------------------------------------+
| Field             | Value                                |
+-------------------+--------------------------------------+
| action            | access_as_shared                     |
| id                | 732fad2f-0f28-47b1-8abc-961510c58473 |
| object_id         | ab5b5c1f-50c2-4ab1-9575-5d6a8967e53c |
| object_type       | network                              |
| project_id        | a74433b11b71428b949de54795e408e7     |
| target_project_id | b45ce8ac12c749e49e933c84334e79de     |
+-------------------+--------------------------------------+
[8] 内部ネットワークへのアクセス権を付与したプロジェクトに所属する任意のユーザーでログインし、 作成した内部ネットワークをインスタンスに紐付けてインスタンスを作成・起動します。
# 利用可能な [flavor] 確認

ubuntu@dlp ~(keystone)$
openstack flavor list

+----+-----------+-------+------+-----------+-------+-----------+
| ID | Name      |   RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+-----------+-------+------+-----------+-------+-----------+
| 1  | m1.tiny   |  2048 |   10 |         0 |     1 | True      |
| 2  | m1.small  |  4096 |   10 |         0 |     2 | True      |
| 3  | m1.medium |  8192 |   10 |         0 |     4 | True      |
| 4  | m1.large  | 16384 |   10 |         0 |     8 | True      |
| 5  | m2.medium |  8192 |   10 |        10 |     4 | True      |
+----+-----------+-------+------+-----------+-------+-----------+

# 利用可能なイメージ確認

ubuntu@dlp ~(keystone)$
openstack image list

+--------------------------------------+------------+--------+
| ID                                   | Name       | Status |
+--------------------------------------+------------+--------+
| c8be4fc8-a3f7-4859-9ae7-8b3843baa619 | Ubuntu2404 | active |
+--------------------------------------+------------+--------+

# 利用可能なネットワーク確認

ubuntu@dlp ~(keystone)$
openstack network list

+---------------------------------+---------+----------------------------------+
| ID                              | Name    | Subnets                          |
+---------------------------------+---------+----------------------------------+
| 357baba5-ba4e-4bdd-             | public  | 55d4737e-da91-411f-9431-         |
| af37-60b226a91764               |         | 4b46498a8770                     |
| ab5b5c1f-50c2-4ab1-9575-        | private | 6f46fc91-33c2-4366-bc29-         |
| 5d6a8967e53c                    |         | bb1309f1d063                     |
+---------------------------------+---------+----------------------------------+

# インスタンス用のセキュリティグループを作成

ubuntu@dlp ~(keystone)$
openstack security group create secgroup01

+-----------------+------------------------------------------------------------+
| Field           | Value                                                      |
+-----------------+------------------------------------------------------------+
| created_at      | 2025-11-20T01:45:41Z                                       |
| description     | secgroup01                                                 |
| id              | 27bea7ad-5949-4295-90fb-9d6158ce6793                       |
| is_shared       | False                                                      |
| name            | secgroup01                                                 |
| project_id      | b45ce8ac12c749e49e933c84334e79de                           |
| revision_number | 1                                                          |
| rules           | created_at='2025-11-20T01:45:41Z', direction='egress',     |
|                 | ethertype='IPv4',                                          |
|                 | id='ba5190d0-4e3d-417c-bb19-7608c59912e7',                 |
|                 | standard_attr_id='21', updated_at='2025-11-20T01:45:41Z'   |
|                 | created_at='2025-11-20T01:45:41Z', direction='egress',     |
|                 | ethertype='IPv6',                                          |
|                 | id='ed28fa35-2283-4642-b6c1-40573b1dc07c',                 |
|                 | standard_attr_id='20', updated_at='2025-11-20T01:45:41Z'   |
| stateful        | True                                                       |
| tags            | []                                                         |
| updated_at      | 2025-11-20T01:45:41Z                                       |
+-----------------+------------------------------------------------------------+

# インスタンス接続用の SSH キーペア作成

ubuntu@dlp ~(keystone)$
ssh-keygen -q -N ""

Enter file in which to save the key (/home/ubuntu/.ssh/id_ed25519):
# 公開鍵登録

ubuntu@dlp ~(keystone)$
openstack keypair create --public-key ~/.ssh/id_ed25519.pub mykey

+-------------+-------------------------------------------------+
| Field       | Value                                           |
+-------------+-------------------------------------------------+
| created_at  | None                                            |
| fingerprint | 24:d6:f8:1c:43:7d:e6:40:b3:ad:5f:e6:1a:b8:6a:81 |
| id          | mykey                                           |
| is_deleted  | None                                            |
| name        | mykey                                           |
| type        | ssh                                             |
| user_id     | 8fb39b6516284abe94f287d259b160b6                |
+-------------+-------------------------------------------------+

ubuntu@dlp ~(keystone)$
netID=$(openstack network list | grep private | awk '{ print $2 }')

ubuntu@dlp ~(keystone)$
openstack server create --flavor m1.small --image Ubuntu2404 --security-group secgroup01 --nic net-id=$netID --key-name mykey Ubuntu-2404
ubuntu@dlp ~(keystone)$
openstack server list

+--------------+-------------+--------+---------------+------------+----------+
| ID           | Name        | Status | Networks      | Image      | Flavor   |
+--------------+-------------+--------+---------------+------------+----------+
| 20c047e3-    | Ubuntu-2404 | ACTIVE | private=192.1 | Ubuntu2404 | m1.small |
| de8f-433e-   |             |        | 68.100.178    |            |          |
| bb32-        |             |        |               |            |          |
| ebe3b5f5d1d3 |             |        |               |            |          |
+--------------+-------------+--------+---------------+------------+----------+
[9] 作成した仮想マシンインスタンスにフローティング IP を割り当てます。
ubuntu@dlp ~(keystone)$
openstack floating ip create public

+---------------------+--------------------------------------+
| Field               | Value                                |
+---------------------+--------------------------------------+
| created_at          | 2025-11-20T02:11:52Z                 |
| description         |                                      |
| dns_domain          | None                                 |
| dns_name            | None                                 |
| fixed_ip_address    | None                                 |
| floating_ip_address | 10.0.0.230                           |
| floating_network_id | 357baba5-ba4e-4bdd-af37-60b226a91764 |
| id                  | 907e5522-f47b-4a4f-a37e-6ab54ec2c578 |
| name                | 10.0.0.230                           |
| port_details        | None                                 |
| port_id             | None                                 |
| project_id          | b45ce8ac12c749e49e933c84334e79de     |
| qos_policy_id       | None                                 |
| revision_number     | 0                                    |
| router_id           | None                                 |
| status              | DOWN                                 |
| subnet_id           | None                                 |
| tags                | []                                   |
| updated_at          | 2025-11-20T02:11:52Z                 |
+---------------------+--------------------------------------+

ubuntu@dlp ~(keystone)$
openstack server add floating ip Ubuntu-2404 10.0.0.230
# 設定確認

ubuntu@dlp ~(keystone)$
openstack floating ip show 10.0.0.230

+---------------------+--------------------------------------------------------+
| Field               | Value                                                  |
+---------------------+--------------------------------------------------------+
| created_at          | 2025-11-20T02:11:52Z                                   |
| description         |                                                        |
| dns_domain          | None                                                   |
| dns_name            | None                                                   |
| fixed_ip_address    | 192.168.100.178                                        |
| floating_ip_address | 10.0.0.230                                             |
| floating_network_id | 357baba5-ba4e-4bdd-af37-60b226a91764                   |
| id                  | 907e5522-f47b-4a4f-a37e-6ab54ec2c578                   |
| name                | 10.0.0.230                                             |
| port_details        | admin_state_up='True',                                 |
|                     | device_id='20c047e3-de8f-433e-bb32-ebe3b5f5d1d3',      |
|                     | device_owner='compute:nova',                           |
|                     | mac_address='fa:16:3e:48:05:d0', name='',              |
|                     | network_id='ab5b5c1f-50c2-4ab1-9575-5d6a8967e53c',     |
|                     | status='ACTIVE'                                        |
| port_id             | f9062cf0-d257-4d7f-9c64-e79411d9c141                   |
| project_id          | b45ce8ac12c749e49e933c84334e79de                       |
| qos_policy_id       | None                                                   |
| revision_number     | 2                                                      |
| router_id           | 979dffed-1e9f-4b51-947f-944fc793bbb5                   |
| status              | ACTIVE                                                 |
| subnet_id           | None                                                   |
| tags                | []                                                     |
| updated_at          | 2025-11-20T02:12:13Z                                   |
+---------------------+--------------------------------------------------------+

ubuntu@dlp ~(keystone)$
openstack server list

+--------------+-------------+--------+---------------+------------+----------+
| ID           | Name        | Status | Networks      | Image      | Flavor   |
+--------------+-------------+--------+---------------+------------+----------+
| 20c047e3-    | Ubuntu-2404 | ACTIVE | private=10.0. | Ubuntu2404 | m1.small |
| de8f-433e-   |             |        | 0.230, 192.16 |            |          |
| bb32-        |             |        | 8.100.178     |            |          |
| ebe3b5f5d1d3 |             |        |               |            |          |
+--------------+-------------+--------+---------------+------------+----------+
[10] 起動した仮想マシンインスタンスに SSH 接続できるように、先に作成したセキュリティグループにポート許可の設定を追加します。
# ICMP 許可

ubuntu@dlp ~(keystone)$
openstack security group rule create --protocol icmp --ingress secgroup01

+-------------------------+--------------------------------------+
| Field                   | Value                                |
+-------------------------+--------------------------------------+
| belongs_to_default_sg   | False                                |
| created_at              | 2025-11-20T01:47:42Z                 |
| description             |                                      |
| direction               | ingress                              |
| ether_type              | IPv4                                 |
| id                      | ba0edaef-1c1d-4c6a-afce-1ab9bcbd6f14 |
| normalized_cidr         | 0.0.0.0/0                            |
| port_range_max          | None                                 |
| port_range_min          | None                                 |
| project_id              | b45ce8ac12c749e49e933c84334e79de     |
| protocol                | icmp                                 |
| remote_address_group_id | None                                 |
| remote_group_id         | None                                 |
| remote_ip_prefix        | 0.0.0.0/0                            |
| revision_number         | 0                                    |
| security_group_id       | 27bea7ad-5949-4295-90fb-9d6158ce6793 |
| updated_at              | 2025-11-20T01:47:42Z                 |
+-------------------------+--------------------------------------+
# SSH 許可

ubuntu@dlp ~(keystone)$
openstack security group rule create --protocol tcp --dst-port 22:22 secgroup01

+-------------------------+--------------------------------------+
| Field                   | Value                                |
+-------------------------+--------------------------------------+
| belongs_to_default_sg   | False                                |
| created_at              | 2025-11-20T01:48:00Z                 |
| description             |                                      |
| direction               | ingress                              |
| ether_type              | IPv4                                 |
| id                      | e34e7662-fba2-4f0d-8e19-7570f44289c5 |
| normalized_cidr         | 0.0.0.0/0                            |
| port_range_max          | 22                                   |
| port_range_min          | 22                                   |
| project_id              | b45ce8ac12c749e49e933c84334e79de     |
| protocol                | tcp                                  |
| remote_address_group_id | None                                 |
| remote_group_id         | None                                 |
| remote_ip_prefix        | 0.0.0.0/0                            |
| revision_number         | 0                                    |
| security_group_id       | 27bea7ad-5949-4295-90fb-9d6158ce6793 |
| updated_at              | 2025-11-20T01:48:00Z                 |
+-------------------------+--------------------------------------+

ubuntu@dlp ~(keystone)$
openstack security group rule list secgroup01

+----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+
| ID       | IP Protocol | Ethertype | IP Range | Port Range | Direction | Remote Security Group | Remote Address Group |
+----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+
| ba0edaef | icmp        | IPv4      | 0.0.0.0/ |            | ingress   | None                  | None                 |
| -1c1d-   |             |           | 0        |            |           |                       |                      |
| 4c6a-    |             |           |          |            |           |                       |                      |
| afce-    |             |           |          |            |           |                       |                      |
| 1ab9bcbd |             |           |          |            |           |                       |                      |
| 6f14     |             |           |          |            |           |                       |                      |
| ba5190d0 | None        | IPv4      | 0.0.0.0/ |            | egress    | None                  | None                 |
| -4e3d-   |             |           | 0        |            |           |                       |                      |
| 417c-    |             |           |          |            |           |                       |                      |
| bb19-    |             |           |          |            |           |                       |                      |
| 7608c599 |             |           |          |            |           |                       |                      |
| 12e7     |             |           |          |            |           |                       |                      |
| e34e7662 | tcp         | IPv4      | 0.0.0.0/ | 22:22      | ingress   | None                  | None                 |
| -fba2-   |             |           | 0        |            |           |                       |                      |
| 4f0d-    |             |           |          |            |           |                       |                      |
| 8e19-    |             |           |          |            |           |                       |                      |
| 7570f442 |             |           |          |            |           |                       |                      |
| 89c5     |             |           |          |            |           |                       |                      |
| ed28fa35 | None        | IPv6      | ::/0     |            | egress    | None                  | None                 |
| -2283-   |             |           |          |            |           |                       |                      |
| 4642-    |             |           |          |            |           |                       |                      |
| b6c1-    |             |           |          |            |           |                       |                      |
| 40573b1d |             |           |          |            |           |                       |                      |
| c07c     |             |           |          |            |           |                       |                      |
+----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+
[11] 仮想マシンインスタンスに割りあてられたフローティング IP 宛てに SSH 接続することで、インスタンスに SSH ログインできます。
ubuntu@dlp ~(keystone)$
openstack server list

+--------------+-------------+--------+---------------+------------+----------+
| ID           | Name        | Status | Networks      | Image      | Flavor   |
+--------------+-------------+--------+---------------+------------+----------+
| 20c047e3-    | Ubuntu-2404 | ACTIVE | private=10.0. | Ubuntu2404 | m1.small |
| de8f-433e-   |             |        | 0.230, 192.16 |            |          |
| bb32-        |             |        | 8.100.178     |            |          |
| ebe3b5f5d1d3 |             |        |               |            |          |
+--------------+-------------+--------+---------------+------------+----------+

ubuntu@dlp ~(keystone)$
ssh ubuntu@10.0.0.230

The authenticity of host '10.0.0.230 (10.0.0.230)' can't be established.
ED25519 key fingerprint is SHA256:0Jwxkg56a5EJQs7ebBJE8eDe1mP9im9rJggcXp9zYjw.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '10.0.0.230' (ED25519) to the list of known hosts.
Welcome to Ubuntu 24.04.3 LTS (GNU/Linux 6.8.0-87-generic x86_64)

.....
.....

To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

ubuntu@ubuntu-2404:~$     # ログインできた
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