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Message #71927
[Bug 1757188] Re: some L3 HA routers does not work
*** This bug is a duplicate of bug 1732543 ***
https://bugs.launchpad.net/bugs/1732543
Glad you got it sorted!
** This bug has been marked a duplicate of bug 1732543
HA network tenant network fails upon router delete
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https://bugs.launchpad.net/bugs/1757188
Title:
some L3 HA routers does not work
Status in neutron:
Invalid
Bug description:
Pike
DVR + L3_HA
L2population enabled
Some of our L3 HA routers are not working correctly. They are not reachable from instances.
After deep investigation, I've found that "HA port tenant <tenant id>" ports are in state DOWN.
They are DOWN because they don't have binding information.
They don't have binding information because 'HA network tenant <tenant_id>' network is corrupted.
I mean it does not have provider:network_type and
provider:segmentation_id parameters set.
The weird thing is that this network was OK and worked but in some
point in time has been corrupted. I don't have any logs from this
point in time.
For comparison working HA tenant network:
+---------------------------+----------------------------------------------------+
| Field | Value |
+---------------------------+----------------------------------------------------+
| admin_state_up | True |
| availability_zone_hints | |
| availability_zones | nova |
| created_at | 2018-02-16T16:52:31Z |
| description | |
| id | fa2fea5c-ccaa-4116-bb0c-ff59bbd8229a |
| ipv4_address_scope | |
| ipv6_address_scope | |
| mtu | 9000 |
| name | HA network tenant afeeb372d7934795b63868330eca0dfe |
| port_security_enabled | True |
| project_id | |
| provider:network_type | vxlan |
| provider:physical_network | |
| provider:segmentation_id | 35 |
| revision_number | 3 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | 5cbc612d-13cf-4889-88fb-02d1debe5f8d |
| tags | |
| tenant_id | |
| updated_at | 2018-02-16T16:52:31Z |
+---------------------------+----------------------------------------------------+
and not working HA tenant network:
+---------------------------+----------------------------------------------------+
| Field | Value |
+---------------------------+----------------------------------------------------+
| admin_state_up | True |
| availability_zone_hints | |
| availability_zones | |
| created_at | 2018-01-26T12:24:15Z |
| description | |
| id | 6390c381-871e-4945-bfa0-00828bb519bc |
| ipv4_address_scope | |
| ipv6_address_scope | |
| mtu | 9000 |
| name | HA network tenant 3e88cffb9dbb4e1fba96ee72a02e012e |
| port_security_enabled | True |
| project_id | |
| provider:network_type | |
| provider:physical_network | |
| provider:segmentation_id | |
| revision_number | 5 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | 4d579b00-c780-45ed-9bd8-4d3256fa8a42 |
| tags | |
| tenant_id | |
| updated_at | 2018-01-29T14:08:11Z |
+---------------------------+----------------------------------------------------+
I've found that all working networks have revision_number = 3 and all not working networks have revision_number = 5.
When HA network tenant network is corrupted ALL L3-HA routers in a particular tenant are not working.
Is there any way to fix this without removing all existing L3-HA routers in this tenant?
Unfortunately I can't find any code responsible for "HA network
tenant" updating or modification so I hit a wall in my debugging
process.
It is probable that network has been corrupted during some automatic
network resources provisioning using Heat stack but I can't reproduce
this.
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References
