Good deal! Glad you were able to find it. James ________________________________ From: b t [[email protected]] Sent: Friday, October 03, 2014 11:25 PM To: James Denton Cc: [email protected] Subject: Re: [Openstack] why neutron router interfaces are done ?
just figured out the problem ! following the icehouse installation guide for Ubuntu , page 55 . the guide is like: interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver use_namespaces = True what I put in is : interface_driver = neutron.agent.linux.interface.OVSInterfaceDriveruse_namespaces = True after modify this part , all is working , and VM can traceroute to internet . thanks ! On Sat, Oct 4, 2014 at 12:15 AM, James Denton <[email protected]<mailto:[email protected]>> wrote: Which version of OpenStack? If the router is plugged into br-ex and not br-int you may see this condition. Often, an external bridge like br-ex is not properly configured, leading to issues. You might try creating a provider bridge using the ovs-vsctl tool, defining the mapping in the plugin configuration file, and using router-gateway-set to associate the router with that network. It would help to see your 'ovs-vsctl show' output along with the plugin configuration file and a 'neutron net-show <netid>' of the external network. James ________________________________ From: b t [[email protected]<mailto:[email protected]>] Sent: Friday, October 03, 2014 8:52 PM To: [email protected]<mailto:[email protected]> Subject: [Openstack] why neutron router interfaces are done ? hi, VM works fine and can ping each other within the same project . But VM can not ping gateway , not able to ping router external interface from external . here is the port-show and noticed ports are down . any idea ? thanks ! root@network:/etc# neutron port-show 7d2e7645-5a05-4eb6-ae9a-50ac627aac67 +-----------------------+------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | | | binding:profile | {} | | binding:vif_details | {} | | binding:vif_type | unbound | | binding:vnic_type | normal | | device_id | 84fa4241-4c94-4260-880c-b6092c73c4c0 | | device_owner | network:router_interface | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "b3ccfebb-7e08-46b3-9836-0af30242e139", "ip_address": "192.168.4.1"} | | id | 7d2e7645-5a05-4eb6-ae9a-50ac627aac67 | | mac_address | fa:16:3e:d5:41:d9 | | name | | | network_id | cc3ef6ae-7015-49cb-8b0d-49d7acd60601 | | security_groups | | | status | DOWN | | tenant_id | e550fba3fa3743b0930c35d9b90f02e4 | +-----------------------+------------------------------------------------------------------------------------+ root@network:/etc# neutron port-show 22495eeb-0856-4cd0-b8f5-55d9500b61f5 +-----------------------+------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | compute1 | | binding:profile | {} | | binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true} | | binding:vif_type | ovs | | binding:vnic_type | normal | | device_id | c66f0ddf-3209-46c0-b21c-55cfee02d115 | | device_owner | compute:None | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "b3ccfebb-7e08-46b3-9836-0af30242e139", "ip_address": "192.168.4.2"} | | id | 22495eeb-0856-4cd0-b8f5-55d9500b61f5 | | mac_address | fa:16:3e:73:36:97 | | name | | | network_id | cc3ef6ae-7015-49cb-8b0d-49d7acd60601 | | security_groups | 0fff99c8-b889-4863-8bbb-57336e060f5e | | status | ACTIVE | | tenant_id | e550fba3fa3743b0930c35d9b90f02e4 | +-----------------------+------------------------------------------------------------------------------------+ root@network:/etc# neutron port-show 18af3bf9-300d-477a-b38e-9cfd49bf152f +-----------------------+------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | network | | binding:profile | {} | | binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true} | | binding:vif_type | ovs | | binding:vnic_type | normal | | device_id | dhcp7b60c1d9-602e-5110-8c89-a9475b89732c-cc3ef6ae-7015-49cb-8b0d-49d7acd60601 | | device_owner | network:dhcp | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "b3ccfebb-7e08-46b3-9836-0af30242e139", "ip_address": "192.168.4.3"} | | id | 18af3bf9-300d-477a-b38e-9cfd49bf152f | | mac_address | fa:16:3e:fa:f3:93 | | name | | | network_id | cc3ef6ae-7015-49cb-8b0d-49d7acd60601 | | security_groups | | | status | ACTIVE | | tenant_id | e550fba3fa3743b0930c35d9b90f02e4 | +-----------------------+------------------------------------------------------------------------------------+ root@network:/etc# root@network:/etc# neutron port-show da78d28b-3d76-4b6c-a19d-755e6e4a4f4e +-----------------------+------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | compute1 | | binding:profile | {} | | binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true} | | binding:vif_type | ovs | | binding:vnic_type | normal | | device_id | e9c9fe44-8d55-4b92-bf50-d6d1f630fcae | | device_owner | compute:None | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "b3ccfebb-7e08-46b3-9836-0af30242e139", "ip_address": "192.168.4.4"} | | id | da78d28b-3d76-4b6c-a19d-755e6e4a4f4e | | mac_address | fa:16:3e:92:a5:5c | | name | | | network_id | cc3ef6ae-7015-49cb-8b0d-49d7acd60601 | | security_groups | 0fff99c8-b889-4863-8bbb-57336e060f5e | | status | ACTIVE | | tenant_id | e550fba3fa3743b0930c35d9b90f02e4 | +-----------------------+------------------------------------------------------------------------------------+ root@network:/etc# root@network:/etc# neutron port-show 971bae03-1fb9-47ec-a3fa-7a0b1803a197 +-----------------------+--------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+--------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | | | binding:profile | {} | | binding:vif_details | {} | | binding:vif_type | unbound | | binding:vnic_type | normal | | device_id | 84fa4241-4c94-4260-880c-b6092c73c4c0 | | device_owner | network:router_gateway | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "f537da7b-9e71-4ff5-a0b5-3656c1754f26", "ip_address": "192.168.3.101"} | | id | 971bae03-1fb9-47ec-a3fa-7a0b1803a197 | | mac_address | fa:16:3e:d2:e0:b2 | | name | | | network_id | 55a98729-05dd-4b73-abe2-54c13effe81e | | security_groups | | | status | DOWN | | tenant_id | | +-----------------------+--------------------------------------------------------------------------------------+ root@network:/etc# root@network:/etc# neutron port-show 84fa16ab-a507-4224-8932-f7046095a9f3 +-----------------------+--------------------------------------------------------------------------------------+ | Field | Value | +-----------------------+--------------------------------------------------------------------------------------+ | admin_state_up | True | | allowed_address_pairs | | | binding:host_id | | | binding:profile | {} | | binding:vif_details | {} | | binding:vif_type | unbound | | binding:vnic_type | normal | | device_id | 05ccb9d2-d905-4c1b-8a3a-d22e45445358 | | device_owner | network:router_gateway | | extra_dhcp_opts | | | fixed_ips | {"subnet_id": "f537da7b-9e71-4ff5-a0b5-3656c1754f26", "ip_address": "192.168.3.102"} | | id | 84fa16ab-a507-4224-8932-f7046095a9f3 | | mac_address | fa:16:3e:85:04:3d | | name | | | network_id | 55a98729-05dd-4b73-abe2-54c13effe81e | | security_groups | | | status | DOWN | | tenant_id | | +-----------------------+--------------------------------------------------------------------------------------+ root@network:/etc#
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