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Hi,

Please continue this discussion on ML that anyone can see it :)
What agents do You exactly see in “neutron agent-list” command then?
What You have set as “host” value in linuxbridge agent’s config on different nodes?
Can You enable DEBUG log and send it also?

> On 17 Jul 2019, at 04:05, zhenhua_huang at trendmicro.com wrote:
> 
> Hello:
> 
> Thank you for reading my letter. .I mean that neutron-linuxbridge-agent from compute node is not visible in “neutron agent-list” result.
> The compute node's linuxbridge-agent.log. is as follows:
> 2019-07-16 02:12:48.328 20720 INFO neutron.plugins.ml2.drivers.agent._common_agent [-] Stopping Linux bridge agent agent.
> 2019-07-16 02:12:50.468 21622 INFO neutron.common.config [-] Logging enabled!
> 2019-07-16 02:12:50.468 21622 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 11.0.8
> 2019-07-16 02:12:50.468 21622 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {'provider': 'ens192'}
> 2019-07-16 02:12:50.468 21622 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {}
> 2019-07-16 02:12:50.485 21622 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Agent initialized successfully, now running... 
> 2019-07-16 02:12:50.865 21622 INFO oslo_rootwrap.client [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] Spawned new rootwrap daemon process with pid=21636
> 2019-07-16 02:12:50.906 21622 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] RPC agent_id: lb525400810624
> 2019-07-16 02:12:50.912 21622 INFO neutron.agent.agent_extensions_manager [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] Loaded agent extensions: []
> 2019-07-16 02:12:51.143 21622 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] Linux bridge agent Agent RPC Daemon Started!
> 2019-07-16 02:12:51.143 21622 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] Linux bridge agent Agent out of sync with plugin!
> 2019-07-16 02:12:51.154 21622 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-7cca3135-d8f4-4156-98dd-9d123c492a85 - - - - -] Clearing orphaned ARP spoofing entries for devices []
> 
> 
> The controller node's linuxbridge-agent.log. is as follows:
> 2019-07-16 21:37:32.127 15465 INFO neutron.plugins.ml2.drivers.agent._common_agent [-] Stopping Linux bridge agent agent.
> 2019-07-16 21:37:32.138 15465 INFO oslo_rootwrap.client [-] Stopping rootwrap daemon process with pid=15491
> 2019-07-16 21:37:33.738 15657 INFO neutron.common.config [-] Logging enabled!
> 2019-07-16 21:37:33.739 15657 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 11.0.8
> 2019-07-16 21:37:33.740 15657 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {'provider': 'ens192'}
> 2019-07-16 21:37:33.740 15657 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {}
> 2019-07-16 21:37:33.754 15657 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Agent initialized successfully, now running... 
> 2019-07-16 21:37:34.063 15657 INFO oslo_rootwrap.client [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] Spawned new rootwrap daemon process with pid=15683
> 2019-07-16 21:37:34.093 15657 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] RPC agent_id: lb525400be6607
> 2019-07-16 21:37:34.100 15657 INFO neutron.agent.agent_extensions_manager [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] Loaded agent extensions: []
> 2019-07-16 21:37:34.341 15657 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] Linux bridge agent Agent RPC Daemon Started!
> 2019-07-16 21:37:34.342 15657 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] Linux bridge agent Agent out of sync with plugin!
> 2019-07-16 21:37:34.350 15657 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-7df1f224-2dcd-4193-bcf1-d6c0b66f5c90 - - - - -] Clearing orphaned ARP spoofing entries for devices []
> 2019-07-16 21:58:49.471 15657 INFO neutron.plugins.ml2.drivers.agent._common_agent [-] Stopping Linux bridge agent agent.
> 2019-07-16 21:58:51.033 16466 INFO neutron.common.config [-] Logging enabled!
> 2019-07-16 21:58:51.033 16466 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 11.0.8
> 2019-07-16 21:58:51.034 16466 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {'provider': 'ens192'}
> 2019-07-16 21:58:51.034 16466 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {}
> 2019-07-16 21:58:51.046 16466 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Agent initialized successfully, now running... 
> 2019-07-16 21:58:51.356 16466 INFO oslo_rootwrap.client [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] Spawned new rootwrap daemon process with pid=16492
> 2019-07-16 21:58:51.415 16466 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] RPC agent_id: lb525400be6607
> 2019-07-16 21:58:51.421 16466 INFO neutron.agent.agent_extensions_manager [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] Loaded agent extensions: []
> 2019-07-16 21:58:51.729 16466 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] Linux bridge agent Agent RPC Daemon Started!
> 2019-07-16 21:58:51.730 16466 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] Linux bridge agent Agent out of sync with plugin!
> 2019-07-16 21:58:51.739 16466 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-705ff1b1-c733-411f-a355-498369153e65 - - - - -] Clearing orphaned ARP spoofing entries for devices []
> 2019-07-16 21:59:38.037 16466 INFO neutron.plugins.ml2.drivers.agent._common_agent [-] Stopping Linux bridge agent agent.
> 2019-07-16 21:59:38.045 16466 INFO oslo_rootwrap.client [-] Stopping rootwrap daemon process with pid=16492
> 2019-07-16 21:59:39.679 16592 INFO neutron.common.config [-] Logging enabled!
> 2019-07-16 21:59:39.679 16592 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 11.0.8
> 2019-07-16 21:59:39.679 16592 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {'provider': 'ens192'}
> 2019-07-16 21:59:39.680 16592 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {}
> 2019-07-16 21:59:39.694 16592 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Agent initialized successfully, now running... 
> 2019-07-16 21:59:40.043 16592 INFO oslo_rootwrap.client [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] Spawned new rootwrap daemon process with pid=16618
> 2019-07-16 21:59:40.085 16592 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] RPC agent_id: lb525400be6607
> 2019-07-16 21:59:40.092 16592 INFO neutron.agent.agent_extensions_manager [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] Loaded agent extensions: []
> 2019-07-16 21:59:40.243 16592 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] Linux bridge agent Agent RPC Daemon Started!
> 2019-07-16 21:59:40.243 16592 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] Linux bridge agent Agent out of sync with plugin!
> 2019-07-16 21:59:40.254 16592 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-eb16336e-e18d-4b80-b75c-718645f045c2 - - - - -] Clearing orphaned ARP spoofing entries for devices []
> 2019-07-16 22:02:15.863 16592 INFO neutron.plugins.ml2.drivers.agent._common_agent [-] Stopping Linux bridge agent agent.
> 2019-07-16 22:02:15.867 16592 INFO oslo_rootwrap.client [-] Stopping rootwrap daemon process with pid=16618
> 2019-07-16 22:02:17.347 16795 INFO neutron.common.config [-] Logging enabled!
> 2019-07-16 22:02:17.348 16795 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 11.0.8
> 2019-07-16 22:02:17.348 16795 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {'provider': 'ens192'}
> 2019-07-16 22:02:17.348 16795 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {}
> 2019-07-16 22:02:17.361 16795 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Agent initialized successfully, now running... 
> 2019-07-16 22:02:17.677 16795 INFO oslo_rootwrap.client [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] Spawned new rootwrap daemon process with pid=16820
> 2019-07-16 22:02:17.707 16795 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] RPC agent_id: lb525400be6607
> 2019-07-16 22:02:17.720 16795 INFO neutron.agent.agent_extensions_manager [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] Loaded agent extensions: []
> 2019-07-16 22:02:17.908 16795 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] Linux bridge agent Agent RPC Daemon Started!
> 2019-07-16 22:02:17.908 16795 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] Linux bridge agent Agent out of sync with plugin!
> 2019-07-16 22:02:17.917 16795 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-baf4316e-3d5a-41ce-a3cb-aece7104a568 - - - - -] Clearing orphaned ARP spoofing entries for devices []
> look forward to your reply.
> -----Original Message-----
> From: Slawek Kaplonski <skaplons at redhat.com> 
> Sent: 2019年7月17日 4:14
> To: Zhenhua Huang (RD-CN) <zhenhua_huang at trendmicro.com>
> Cc: openstack-discuss at lists.openstack.org
> Subject: Re: Linux bridge agent Agent out of sync with plugin!
> 
> Hi,
> 
> What exactly do You mean by saying “the compute node is not found”? Is neutron-linuxbridge-agent from compute node not visible in “neutron agent-list” result or it is visible but down?
> Or something else?
> Also, please send logs as plain text instead of screenshots - it will be much easier to read :)
> 
>> On 16 Jul 2019, at 11:47, zhenhua_huang at trendmicro.com wrote:
>> 
>> Hello, I am a newcomer to openstack. I have a problem.
>> When I enter the command "openstack network agent list" on the controller node, the compute node is not found. Below are the output of the compute node's and controller node’s linuxbridge-agent.log.look forward to your reply.
>> 
>> 
>> <image002.png><image002.png>
>> compute node
>> 
>> <image003.png><image003.png>
>> controller node
>> 
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> 
> —
> Slawek Kaplonski
> Senior software engineer
> Red Hat
> 
> 
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— 
Slawek Kaplonski
Senior software engineer
Red Hat