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I believe that error is actually unrelated (bug reported here for that
https://bugs.launchpad.net/neutron/+bug/1697383 ).

Do you have the DHCP agent running and is it's port active on the network?
You should be able to ping the DHCP address from the 192.168.5 network.

If you don't have the DHCP agent, you will need to manually assign the IP
in your instance.

On Sun, Jun 11, 2017 at 11:40 PM, xiaotie <xiaotie at ywe.cc> wrote:

>
> I lanch an instance, but the instance has not IP when I run command
>   'ip addr'.But router has assign ip for it.
>
>   My environment is:
>   two vms in virtualbox
>   each vm has two ethernet, 192.168.5.0/24 use bridge network; 10.0.0.0/24 use nat network, both is ok
>   I lanch provider network, and router ip is 192.168.5.203, I can ping it on the host.
>   openstack instance has got an ip,192.168.5.205, I can see it in network top0loy of the dashboard, and I can see provider network port is up,but I can't ping it.
>
>   Router info
>   +--------------------------------------+--------+----------------------------------+-----------------------------------------+-------------+-------+
>   | id                                   | name   | tenant_id                        | external_gateway_info                   | distributed | ha    |
>   +--------------------------------------+--------+----------------------------------+-----------------------------------------+-------------+-------+
>   | efdc40ab-9425-4795-949e-6774eabceed0 | router | dfeb844b4942417e9e2d1299c49d1a3a | {"network_id":                          | False       | False |
>   |                                      |        |                                  | "1807f022-b989-4725-9d25-7d176b28ec72", |             |       |
>   |                                      |        |                                  | "enable_snat": true,                    |             |       |
>   |                                      |        |                                  | "external_fixed_ips": [{"subnet_id":    |             |       |
>   |                                      |        |                                  | "59fc76f2-c666-4693-b0f6-2a96a0189ef7", |             |       |
>   |                                      |        |                                  | "ip_address": "192.168.5.203"}]}        |             |       |
>   +--------------------------------------+--------+----------------------------------+-----------------------------------------+-------------+-------+
>
>   Port status
>   名称 	固定IP 	连接设备 	状态 	管理状态 	动作
>   (85f154ee-1dd6)	192.168.5.205 compute:None 	运行中 	UP
>
>   when i lanch an instance, I  got the following error on the compute node:
>   2017-06-12 06:49:43.610 20776 INFO neutron.agent.securitygroups_rpc [req-4fcd8220-8713-469c-9564-1d1eebf30675 472ca430fc46406abac12d2bb877326f dfeb844b4942417e9e2d1299c49d1a3a - - -] Security group member updated [u'b7da029d-70f0-4ac2-af09-fea4d0e8e516']
>   2017-06-12 06:49:45.354 20776 INFO neutron.agent.securitygroups_rpc [req-bfc74178-179f-4abd-bdb2-25d66ce36107 - - - - -] Refresh firewall rules
>   2017-06-12 06:49:47.358 20776 INFO neutron.agent.securitygroups_rpc [req-bfc74178-179f-4abd-bdb2-25d66ce36107 - - - - -] Preparing filters for devices set(['tap9db05558-8e'])
>   2017-06-12 06:49:49.273 20776 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-bfc74178-179f-4abd-bdb2-25d66ce36107 - - - - -] Port tap9db05558-8e updated. Details: {u'profile': {}, u'network_qos_policy_id': None, u'qos_policy_id': None, u'allowed_address_pairs': [], u'admin_state_up': True, u'network_id': u'1807f022-b989-4725-9d25-7d176b28ec72', u'segmentation_id': None, u'device_owner': u'compute:nova', u'physical_network': u'provider', u'mac_address': u'fa:16:3e:61:90:f5', u'device': u'tap9db05558-8e', u'port_security_enabled': True, u'port_id': u'9db05558-8e87-4a24-928c-cd97ddddb777', u'fixed_ips': [{u'subnet_id': u'59fc76f2-c666-4693-b0f6-2a96a0189ef7', u'ip_address': u'192.168.5.211'}], u'network_type': u'flat'}
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager [req-bfc74178-179f-4abd-bdb2-25d66ce36107 - - - - -] Error during notification for neutron.services.trunk.drivers.linuxbridge.agent.driver.LinuxBridgeTrunkDriver.agent_port_change--9223372036853960796 port_device, after_update
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager Traceback (most recent call last):
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager   File "/usr/lib/python2.7/site-packages/neutron/callbacks/manager.py", line 146, in _notify_loop
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager     callback(resource, event, trigger, **kwargs)
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager   File "/usr/lib/python2.7/site-packages/neutron/services/trunk/drivers/linuxbridge/agent/driver.py", line 94, in agent_port_change
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager     trunk = self._tapi.get_trunk(context, device_details['port_id'])
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager   File "/usr/lib/python2.7/site-packages/neutron/services/trunk/drivers/linuxbridge/agent/driver.py", line 196, in get_trunk
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager     self.put_trunk(port_id, self._fetch_trunk(context, port_id))
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager   File "/usr/lib/python2.7/site-packages/neutron/services/trunk/drivers/linuxbridge/agent/driver.py", line 140, in _fetch_trunk
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager     if 'CallbackNotFound' not in str(e):
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager UnicodeEncodeError: 'ascii' codec can't encode characters in position 31-35: ordinal not in range(128)
>   2017-06-12 06:49:50.591 20776 ERROR neutron.callbacks.manager
>
>   Please forgive me if this question is too simple, since I'm newbie to
>   openstack. And I lack of method to fix problem, If anynoe can give me
>   ideas，I'll be very appreciate.
>
>
>
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