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Hi Mathias,

whether you have all corresponding bridges and patches between them as 
described in openvswitch_agent.ini using

integration_bridge
tunnel_bridge
int_peer_patch_port
tun_peer_patch_port
bridge_mappings

parameters? And make sure, that service "neutron-ovs-cleanup" is in use 
during system boot. You can check these bridges and patches using 
"ovs-vsctl show" command.

On 1/27/18 9:00 PM, Mathias Strufe (DFKI) wrote:
> Dear all,
>
> I'm quite new to openstack and like to install openVSwtich inside one 
> Instance of our Mitika openstack Lab Enviornment ...
> But it seems that ARP packets got lost between the network interface 
> of the instance and the OVS bridge ...
>
> With tcpdump on the interface I see the APR packets ...
>
> tcpdump: verbose output suppressed, use -v or -vv for full protocol 
> decode
> listening on ens6, link-type EN10MB (Ethernet), capture size 262144 bytes
> 18:50:58.080478 ARP, Request who-has 192.168.120.10 tell 
> 192.168.120.6, length 28
> 18:50:58.125009 ARP, Request who-has 192.168.120.1 tell 192.168.120.6, 
> length 28
> 18:50:59.077315 ARP, Request who-has 192.168.120.10 tell 
> 192.168.120.6, length 28
> 18:50:59.121369 ARP, Request who-has 192.168.120.1 tell 192.168.120.6, 
> length 28
> 18:51:00.077327 ARP, Request who-has 192.168.120.10 tell 
> 192.168.120.6, length 28
> 18:51:00.121343 ARP, Request who-has 192.168.120.1 tell 192.168.120.6, 
> length 28
>
>
>
> but on the OVS bridge nothing arrives ...
>
> tcpdump: verbose output suppressed, use -v or -vv for full protocol 
> decode
> listening on OVSbr2, link-type EN10MB (Ethernet), capture size 262144 
> bytes
>
>
>
> I disabled port_security and removed the security group but nothing 
> changed
>
> +-----------------------+---------------------------------------------------------------------------------------+ 
>
> | Field                 | Value                                        |
> +-----------------------+---------------------------------------------------------------------------------------+ 
>
> | admin_state_up        | True                                        |
> | allowed_address_pairs |                                        |
> | binding:host_id       | node11                                        |
> | binding:profile       | {}                                        |
> | binding:vif_details   | {"port_filter": true, "ovs_hybrid_plug": 
> true}                                        |
> | binding:vif_type      | ovs                                        |
> | binding:vnic_type     | normal                                        |
> | created_at            | 2018-01-27T16:45:48Z 
>                                        |
> | description |                                        |
> | device_id             | 74916967-984c-4617-ae33-b847de73de13 
>                                        |
> | device_owner          | compute:nova 
>                                        |
> | extra_dhcp_opts |                                        |
> | fixed_ips             | {"subnet_id": 
> "525db7ff-2bf2-4c64-b41e-1e41570ec358", "ip_address": "192.168.120.10"} |
> | id                    | 74b754d6-0000-4c2e-bfd1-87f640154ac9 
>                                        |
> | mac_address           | fa:16:3e:af:90:0c 
>                                        |
> | name |                                        |
> | network_id            | 917254cb-9721-4207-99c5-8ead9f95d186 
>                                        |
> | port_security_enabled | False                                        |
> | project_id            | c48457e73b664147a3d2d36d75dcd155 
>                                        |
> | revision_number       | 27                                        |
> | security_groups |                                        |
> | status                | ACTIVE                                        |
> | tenant_id             | c48457e73b664147a3d2d36d75dcd155 
>                                        |
> | updated_at            | 2018-01-27T18:54:24Z 
>                                        |
> +-----------------------+---------------------------------------------------------------------------------------+ 
>
>
>
> maybe the port_filter causes still the problem? But how to disable it?
>
> Any other idea?
>
> Thanks and BR Mathias.
>
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-- 
Volodymyr Litovka
   "Vision without Execution is Hallucination." -- Thomas Edison

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