I have a problem with network on my cloud. Some VM (depends of project) use floating ip from public01 and other from public02 My vm on the network public01 work perfectly and can reach the controleur (134.214.34.20) (it is on the same network in my case 134.214.32.0/22) (it use floating ip) my vm on the network public02 work perfectly and can reach all host on the netwok 134.214.213.0/24 and 134.214.32.0/22 exept the controleur (134.214.34.20) why ? there is my configuration 2 providers networks public01 and public02 Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | nova | | created_at | 2017-09-18T14:20:12Z | | description | | | dns_domain | None | | id | 146cf744-5cc2-4a2a-b67b-52c6e0222d6b | | ipv4_address_scope | None | | ipv6_address_scope | None | | is_default | False | | mtu | 1400 | | name | public01 | | port_security_enabled | False | | project_id | 7a8caa84511d41a291f7b67ae8750eb6 | | provider:network_type | flat | | provider:physical_network | extnet | | provider:segmentation_id | None | | qos_policy_id | None | | revision_number | 12 | | router:external | External | | segments | None | | shared | True | | status | ACTIVE | | subnets | 78c4021e-420f-4acc-a3d4-60232116281d | | updated_at | 2017-09-20T12:23:03Z | +---------------------------+--------------------------------------+ +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | nova | | created_at | 2017-10-20T09:18:56Z | | description | | | dns_domain | None | | id | f5d0ece1-cd2d-463e-8352-dec298cd1993 | | ipv4_address_scope | None | | ipv6_address_scope | None | | is_default | False | | mtu | 1400 | | name | public02 | | port_security_enabled | False | | project_id | 7a8caa84511d41a291f7b67ae8750eb6 | | provider:network_type | flat | | provider:physical_network | prabi | | provider:segmentation_id | None | | qos_policy_id | None | | revision_number | 6 | | router:external | External | | segments | None | | shared | True | | status | ACTIVE | | subnets | 7a6df182-0754-4ebb-b93f-b57373328d16 | | updated_at | 2017-10-20T11:45:40Z | +---------------------------+--------------------------------------+ and public_subnet 78c4021e-420f-4acc-a3d4-60232116281d | public_subnet | 146cf744-5cc2-4a2a-b67b-52c6e0222d6b | 134.214.32.0/22 | 7a6df182-0754-4ebb-b93f-b57373328d16 | public2_subnet | f5d0ece1-cd2d-463e-8352-dec298cd1993 | 134.214.213.0/24 | subnet show public2_subnet +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | allocation_pools | 134.214.213.3-134.214.213.252 | | cidr | 134.214.213.0/24 | | created_at | 2017-10-20T09:30:03Z | | description | | | dns_nameservers | 134.214.100.6 | | enable_dhcp | True | | gateway_ip | 134.214.213.1 | | host_routes | | | id | 7a6df182-0754-4ebb-b93f-b57373328d16 | | ip_version | 4 | | ipv6_address_mode | None | | ipv6_ra_mode | None | | name | public2_subnet | | network_id | f5d0ece1-cd2d-463e-8352-dec298cd1993 | | project_id | 7a8caa84511d41a291f7b67ae8750eb6 | | revision_number | 3 | | segment_id | None | | service_types | | | subnetpool_id | None | | updated_at | 2017-10-20T11:45:40Z | +-------------------+--------------------------------------+ subnet show public_subnet +-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+ | allocation_pools | 134.214.34.141-134.214.34.141,134.214.35.208-134.214.35.208,134.214.34.25-134.214.34.27,134.214.34.22-134.214.34.23,134.214.35.183-134.214.35.183 | | cidr | 134.214.32.0/22 | | created_at | 2017-09-18T14:20:26Z | | description | | | dns_nameservers | 134.214.100.245, 134.214.100.6 | | enable_dhcp | False | | gateway_ip | 134.214.32.1 | | host_routes | | | id | 78c4021e-420f-4acc-a3d4-60232116281d | | ip_version | 4 | | ipv6_address_mode | None | | ipv6_ra_mode | None | | name | public_subnet | | network_id | 146cf744-5cc2-4a2a-b67b-52c6e0222d6b | | project_id | 7a8caa84511d41a291f7b67ae8750eb6 | | revision_number | 9 | | segment_id | None | | service_types | | | subnetpool_id | None | | updated_at | 2017-09-20T12:23:03Z I need my VM (ip form public02) can reach the controler because I use a cloud broker sleepstream and my vm (on the network 134.214.213.0/24 need connect the API 134.214.32.0/22 because some of them can be orchestrator). I need somme help thanks Stéphane -- Delmotte Stéphane UMR CNRS 5558 Biometrie et Biologie Evolutive Bat 711 | Universite Claude Bernard - Lyon I | Tel : +33 04 72 43 11 68 43, Bd du 11 Novembre 1918 | Fax : 04 72 43 13 88 69622 Villeurbanne cedex FRANCE