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[Bug 1844915] [NEW] Get through two networks, there is DUP

 

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The environment :

Rocky : 3 network + 3 controller + 2compute   DVR  with L3_HA

 When I use  ADD port to router and update router , In order to connect
2 subnets

VM1 ping VM2:

    64 bytes from 172.16.1.10: seq=0 ttl=63 time=1.093 ms (DUP!)
    64 bytes from 172.16.1.10: seq=0 ttl=63 time=1.205 ms (DUP!)
    64 bytes from 172.16.1.10: seq=0 ttl=63 time=1.294 ms (DUP!)
    64 bytes from 172.16.1.10: seq=0 ttl=63 time=1.369 ms (DUP!)

1. neutron port-create vlan954    (vlan954 can map to a physical network
)

2. openstack  router port add vpn_connect
e3e33741-56e5-4fa0-8b39-d0215eb080c9 (10.135.130.23)

3. openstack router set --route
destination=172.16.1.0/24,gateway=10.135.130.106 vpn_connect

10.135.130.106 port and subnet (172.16.1.0) is in another OpenStack
cluster( Don't use DVR )

4. In another OpenStack ,Do something similar above

I guess the problem is the router port where is  for network connection
(10.135.130.23), Because I use floating ip  ping 10.135.130.23  The same
thing happened

[root@SCSP02557 ~]# neutron router-port-list vpn_connect
neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
+--------------------------------------+-------------------------------------------------+----------------------------------+-------------------+---------------------------------------------------------------------------------------+
| id                                   | name                                            | tenant_id                        | mac_address       | fixed_ips                                                                             |
+--------------------------------------+----------------------------------
| 7877c303-96e1-4a1f-8175-36e70cab4490 |                                                 | e2f2bedbdf794ad0a45cf37edc72252e | fa:16:3e:fe:8b:58 | {"subnet_id": "7d2d38c8-e091-4c4d-b814-ce036a7082a9", "ip_address": "172.31.17.1"}    |
| 7ba36a6f-e6b8-427e-a8b8-2ea1cc6e6697 | HA port tenant e2f2bedbdf794ad0a45cf37edc72252e |                                  | fa:16:3e:df:99:b9 | {"subnet_id": "6e26e835-e602-40eb-9242-e9b17148b8ea", "ip_address": "169.254.192.19"} |
| e3e33741-56e5-4fa0-8b39-d0215eb080c9 | connect_port                                    | e2f2bedbdf794ad0a45cf37edc72252e | fa:16:3e:80:5b:bc | {"subnet_id": "d75231c6-7666-466b-960d-b6d8a9196648", "ip_address": "10.135.130.23"}  |
| e713f26a-ebf8-4110-b43e-f940b4a6f6a6 | HA port tenant e2f2bedbdf794ad0a45cf37edc72252e |                                  | fa:16:3e:95:ff:00 | {"subnet_id": "6e26e835-e602-40eb-9242-e9b17148b8ea", "ip_address": "169.254.192.3"}  |
| f2042d10-86c1-4b0f-8fb5-6b55efa63ea7 | HA port tenant e2f2bedbdf794ad0a45cf37edc72252e |                                  | fa:16:3e:1e:69:aa | {"subnet_id": "6e26e835-e602-40eb-9242-e9b17148b8ea", "ip_address": "169.254.192.2"}  |

[root@SCSP02557 ~]# neutron router-show vpn_connect
neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
+-------------------------+---------------------------------------------------------------+
| Field                   | Value                                                         |
+-------------------------+---------------------------------------------------------------+
| admin_state_up          | True                                                          |
| availability_zone_hints |                                                               |
| availability_zones      | nova                                                          |
| created_at              | 2019-09-22T02:54:38Z                                          |
| description             |                                                               |
| distributed             | True                                                          |
| external_gateway_info   |                                                               |
| flavor_id               |                                                               |
| ha                      | True                                                          |
| id                      | f8871714-8987-45e8-a564-ede356c2564a                          |
| name                    | vpn_connect                                                   |
| project_id              | e2f2bedbdf794ad0a45cf37edc72252e                              |
| revision_number         | 8                                                             |
| routes                  | {"destination": "172.16.1.0/24", "nexthop": "10.135.130.106"} |
| status                  | ACTIVE                                                        |
| tags                    |                                                               |
| tenant_id               | e2f2bedbdf794ad0a45cf37edc72252e                              |
| updated_at              | 2019-09-22T02:58:47Z                                          |
+-------------------------+-----------------------------------------------

** Affects: neutron
     Importance: Undecided
         Status: New

-- 
Get through two networks, there is DUP
https://bugs.launchpad.net/bugs/1844915
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