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------------------------
| | Opensatck-Router
| 自宅Net -------------------- ------------------
| (192.168.10.0/24) |Openstack | |192.168.10.110 |
| | public |-----| |
| | 192.168.10.110 | | |
| | --117 | ------------------
| -------------------- |192.168.110.1
| | |
| | |
------------------------ ---------------------
| Private (Network) |
| 192.168.110.0/24 |
| |
---------------------
# source keystonerc_admin [root@openstack-kilo ~(keystone_admin)]#
[root@openstack-kilo ~(keystone_admin)]# neutron router-create Router1
Created a new router:
[root@openstack-mitaka ~(keystone_admin)]# neutron router-show Router1 +-------------------------+--------------------------------------+ | Field | Value | +-------------------------+--------------------------------------+ | admin_state_up | True | | availability_zone_hints | | | availability_zones | nova | | description | | | distributed | False | | external_gateway_info | | | ha | False | | id | da592fa9-7af3-437c-b4bc-4192af072253 | | name | Router1 | | routes | | | status | ACTIVE | | tenant_id | e3ca6100bb5a4172bf51f809595d879c | +-------------------------+--------------------------------------+
neutron net-create public --tenant-id e3ca6100bb5a4172bf51f809595d879c --router:external Created a new network:
[root@openstack-mitaka ~(keystone_admin)]# neutron net-show Private +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | True | | availability_zone_hints | | | availability_zones | nova | | created_at | 2016-07-29T23:28:35 | | description | | | id | b7025c4a-0fe1-49a0-9338-d19df4f22e8a | | ipv4_address_scope | | | ipv6_address_scope | | | mtu | 1450 | | name | Private | | provider:network_type | vxlan | | provider:physical_network | | | provider:segmentation_id | 14 | | router:external | False | | shared | False | | status | ACTIVE | | subnets | 0ade5036-a55f-4588-9778-50c059a528a6 | | tags | | | tenant_id | e3ca6100bb5a4172bf51f809595d879c | | updated_at | 2016-07-29T23:28:35 | +---------------------------+--------------------------------------+
[root@openstack-mitaka ~(keystone_admin)]# neutron net-create public --tenant-id e3ca6100bb5a4172bf51f809595d879c --router:external Created a new network: +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | True | | availability_zone_hints | | | availability_zones | | | created_at | 2016-07-30T07:27:37 | | description | | | id | cab789fb-0a38-476b-98eb-028dc0f8dc10 | | ipv4_address_scope | | | ipv6_address_scope | | | is_default | False | | mtu | 1450 | | name | public | | provider:network_type | vxlan | | provider:physical_network | | | provider:segmentation_id | 100 | | router:external | True | | shared | False | | status | ACTIVE | | subnets | | | tags | | | tenant_id | e3ca6100bb5a4172bf51f809595d879c | | updated_at | 2016-07-30T07:27:37 | +---------------------------+--------------------------------------+
ネットワーク名「public」にサブネット名public_subnet（配布アドレス192.168.10.110-192.168.10.117)を割り当てる （この範囲がなぜネットワーク名「public」になるか不明？）
[root@openstack-mitaka ~(keystone_admin)]# neutron subnet-create --name public_subnet --enable_dhcp=False --allocation- \
pool=start=192.168.10.110,end=192.168.10.117 --gateway=192.168.10.245 public 192.168.10.0/24
Created a new subnet:
+-------------------+------------------------------------------------------+
| Field | Value |
+-------------------+------------------------------------------------------+
| allocation_pools | {"start": "192.168.10.110", "end": "192.168.10.117"} |
| cidr | 192.168.10.0/24 |
| created_at | 2016-07-30T07:29:56 |
| description | |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 192.168.10.245 |
| host_routes | |
| id | 041593a1-1a11-4aff-b872-24e3c2fd1831 |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | public_subnet |
| network_id | cab789fb-0a38-476b-98eb-028dc0f8dc10 |
| subnetpool_id | |
| tenant_id | e3ca6100bb5a4172bf51f809595d879c |
| updated_at | 2016-07-30T07:29:56 |
+-------------------+------------------------------------------------------+
[root@openstack-mitaka ~(keystone_admin)]# neutron router-gateway-set Router1 public Set gateway for router Router1
[root@openstack-mitaka ~(keystone_admin)]# neutron net-show public +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | True | | availability_zone_hints | | | availability_zones | nova | | created_at | 2016-07-30T07:27:37 | | description | | | id | cab789fb-0a38-476b-98eb-028dc0f8dc10 | | ipv4_address_scope | | | ipv6_address_scope | | | is_default | False | | mtu | 1450 | | name | public | | provider:network_type | vxlan | | provider:physical_network | | | provider:segmentation_id | 100 | | router:external | True | | shared | False | | status | ACTIVE | | subnets | 041593a1-1a11-4aff-b872-24e3c2fd1831 | | tags | | | tenant_id | e3ca6100bb5a4172bf51f809595d879c | | updated_at | 2016-07-30T07:27:37 | +---------------------------+--------------------------------------+
Floating IPをインスタンスに割りあてるとそのIPでOpenStock外からアクセスできる。
Privateネットワーク内のPC(IP192.168.110.103）にFloating IP(192.168.10.111)を割り振るとルータを介さないでアクセスできる.
