Public bug reported:
On the environment with L3 HA and DVR enabled all pings from VM without
floating ip to 8.8.8.8 were lost.
This happened because router_centralized_snat port was binded to the
wrong host were l3 agent was in standby state.
root@node-4:~# neutron l3-agent-list-hosting-router
a1de4263-08af-48cb-a9b5-400ebcd3ac1a
+--------------------------------------+-------------------+----------------+-------+----------+
| id | host | admin_state_up |
alive | ha_state |
+--------------------------------------+-------------------+----------------+-------+----------+
| ae474016-48ee-4121-88b7-71b65f2a4244 | node-4.domain.tld | True |
:-) | standby |
| b93959c3-51da-45ae-8af7-aa90671953b4 | node-5.domain.tld | True |
:-) | active |
| ca082545-5c1a-4eb5-882b-b35bf76f9350 | node-2.domain.tld | True |
:-) | standby |
+--------------------------------------+-------------------+----------------+-------+----------+
root@node-4:~# neutron port-show cd1e7af6-0aa7-444b-b0b3-37d04325655f
+-----------------------+-----------------------------------------------------------------------------------+
| Field | Value
|
+-----------------------+-----------------------------------------------------------------------------------+
| admin_state_up | True
|
| allowed_address_pairs |
|
| binding:host_id | node-2.domain.tld
|
| binding:profile | {}
|
| binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true}
|
| binding:vif_type | ovs
|
| binding:vnic_type | normal
|
| created_at | 2016-05-17T08:55:58
|
| description |
|
| device_id | a1de4263-08af-48cb-a9b5-400ebcd3ac1a
|
| device_owner | network:router_centralized_snat
|
| dns_name |
|
| extra_dhcp_opts |
|
| fixed_ips | {"subnet_id": "fe4e6901-f5ce-41b1-a7ce-582d70fe310e",
"ip_address": "10.100.0.4"} |
| id | cd1e7af6-0aa7-444b-b0b3-37d04325655f
|
| mac_address | fa:16:3e:f4:1d:6a
|
| name |
|
| network_id | 7e9e27d7-d331-4b09-8b28-04a0d5173af7
|
| port_security_enabled | False
|
| security_groups |
|
| status | DOWN
|
| tenant_id |
|
| updated_at | 2016-05-17T11:12:50
|
+-----------------------+-----------------------------------------------------------------------------------+
** Affects: neutron
Importance: Undecided
Assignee: Ann Kamyshnikova (akamyshnikova)
Status: New
** Tags: l3-dvr-backlog l3-ha
--
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https://bugs.launchpad.net/bugs/1582739
Title:
[DVR][L3 HA] Unable to ping 8.8.8.8 from VM without floating ip
Status in neutron:
New
Bug description:
On the environment with L3 HA and DVR enabled all pings from VM
without floating ip to 8.8.8.8 were lost.
This happened because router_centralized_snat port was binded to the
wrong host were l3 agent was in standby state.
root@node-4:~# neutron l3-agent-list-hosting-router
a1de4263-08af-48cb-a9b5-400ebcd3ac1a
+--------------------------------------+-------------------+----------------+-------+----------+
| id | host | admin_state_up |
alive | ha_state |
+--------------------------------------+-------------------+----------------+-------+----------+
| ae474016-48ee-4121-88b7-71b65f2a4244 | node-4.domain.tld | True |
:-) | standby |
| b93959c3-51da-45ae-8af7-aa90671953b4 | node-5.domain.tld | True |
:-) | active |
| ca082545-5c1a-4eb5-882b-b35bf76f9350 | node-2.domain.tld | True |
:-) | standby |
+--------------------------------------+-------------------+----------------+-------+----------+
root@node-4:~# neutron port-show cd1e7af6-0aa7-444b-b0b3-37d04325655f
+-----------------------+-----------------------------------------------------------------------------------+
| Field | Value
|
+-----------------------+-----------------------------------------------------------------------------------+
| admin_state_up | True
|
| allowed_address_pairs |
|
| binding:host_id | node-2.domain.tld
|
| binding:profile | {}
|
| binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true}
|
| binding:vif_type | ovs
|
| binding:vnic_type | normal
|
| created_at | 2016-05-17T08:55:58
|
| description |
|
| device_id | a1de4263-08af-48cb-a9b5-400ebcd3ac1a
|
| device_owner | network:router_centralized_snat
|
| dns_name |
|
| extra_dhcp_opts |
|
| fixed_ips | {"subnet_id":
"fe4e6901-f5ce-41b1-a7ce-582d70fe310e", "ip_address": "10.100.0.4"} |
| id | cd1e7af6-0aa7-444b-b0b3-37d04325655f
|
| mac_address | fa:16:3e:f4:1d:6a
|
| name |
|
| network_id | 7e9e27d7-d331-4b09-8b28-04a0d5173af7
|
| port_security_enabled | False
|
| security_groups |
|
| status | DOWN
|
| tenant_id |
|
| updated_at | 2016-05-17T11:12:50
|
+-----------------------+-----------------------------------------------------------------------------------+
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