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OpenStack Networking (Neutron)
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Rodolfo Alonso Hernandez adac5d9b7a Delay HA router transition from "backup" to "master" 
As described in the bug, when a HA router transitions from "master" to
"backup", "keepalived" processes will set the virtual IP in all other
HA routers. Each HA router will then advert it and "keepalived" will
decide, according to a trivial algorithm (higher interface IP), which
one should be "master". At this point, the other "keepalived" processes
running in the other servers, will remove the HA router virtual IP
assigned an instant before

To avoid transitioning some routers form "backup" to "master" and then
to "backup" in a very short period, this patch delays the "backup" to
"master" transition, waiting for a possible new "backup" state. If
during the waiting period (set to the HA VRRP advert time, 2 seconds
default) to set the HA state to "master", the L3 agent receives a new
"backup" HA state, the L3 agent does nothing.

Closes-Bug: #1837635

Change-Id: I70037da9cdd0f8448e0af8dd96b4e3f5de5728ad
(cherry picked from commit 3f022a193f)
 		2019-09-10 05:40:29 +00:00
api-ref Fix some typos 2016-06-28 22:46:19 +02:00
bin Use os-xenapi for neutron when XenServer as hypervisor 2017-03-30 18:33:37 +00:00
devstack Devstack plugin for network-segment-range api 2019-03-10 03:37:51 +00:00
doc Import "Manage Networking service quotas" admin guide 2019-06-26 13:42:01 +00:00
etc Add kill hooks for external processes 2019-06-05 14:39:15 +00:00
neutron Delay HA router transition from "backup" to "master" 2019-09-10 05:40:29 +00:00
playbooks OpenDev Migration Patch 2019-04-19 19:39:10 +00:00
rally-jobs Merge "rally-jobs: Add FloatingIP workloads: assoc/dissoc" 2019-03-01 21:24:43 +00:00
releasenotes Add custom ethertype processing 2019-07-01 11:01:34 +00:00
roles OpenDev Migration Patch 2019-04-19 19:39:10 +00:00
tools Add method to tox to use local neutron-lib with unit tests 2019-03-02 14:56:15 -07:00
.coveragerc Cleanup coverage configuration 2016-10-17 17:06:19 +05:30
.gitignore [Configuration] Clean up .gitignore references to personal tools 2019-01-31 16:17:38 +01:00
.gitreview OpenDev Migration Patch 2019-04-19 19:39:10 +00:00
.mailmap Add mailmap entry 2014-05-16 13:40:04 -04:00
.pylintrc Fix pylint R1717 (consider-using-dict-comprehension) refactor messages 2019-03-14 23:19:58 +00:00
.stestr.conf Fix post gate hook to accommodate for new os-testr 2017-09-12 14:20:12 -06:00
.zuul.yaml OpenDev Migration Patch 2019-04-19 19:39:10 +00:00
CONTRIBUTING.rst Update link for contribution 2017-08-31 16:44:51 +02:00
HACKING.rst Update the documentation link for doc migration 2017-07-22 18:46:13 +09:00
LICENSE Adding Apache Version 2.0 license file. This is the official license agreement under which Quantum code is available to 2011-08-08 12:31:04 -07:00
README.rst Update mailinglist from dev to discuss 2018-12-12 12:44:12 +08:00
TESTING.rst Add method to tox to use local neutron-lib with unit tests 2019-03-02 14:56:15 -07:00
babel.cfg Use babel to generate translation file 2013-01-24 00:20:32 +08:00
bindep.txt Add libffi-dev to bindep.txt 2017-06-13 19:26:49 +00:00
lower-constraints.txt Use dynamic lazy mode for fetching security group rules 2019-03-14 16:23:53 -06:00
requirements.txt Use dynamic lazy mode for fetching security group rules 2019-03-14 16:23:53 -06:00
setup.cfg fix NetworkSegmentRange OVO entry point 2019-07-22 05:15:29 +00:00
setup.py Updated from global requirements 2017-03-04 11:19:58 +00:00
test-requirements.txt Fix bandit and sphinx requirements for stable/stein 2019-05-16 11:33:48 +02:00
tox.ini Update UPPER_CONSTRAINTS_FILE for stable/stein 2019-03-24 22:14:41 +00:00

README.rst

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Welcome!

To learn more about neutron:

Get in touch via email. Use [Neutron] in your subject.

To learn how to contribute:

CONTRIBUTING.rst