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[OpenStack Infra <1365438@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/917430
Committed: https://opendev.org/openstack/neutron/commit/b164d67f452ee3bd2b64d836202161580a93c2b4
Submitter: "Zuul (22348)"
Branch:    master

commit b164d67f452ee3bd2b64d836202161580a93c2b4
Author: Gaudenz Steinlin <gaudenz.steinlin@xxxxxxxxxxxxx>
Date:   Tue Sep 20 23:09:32 2022 +0200

    Add conntrackd support to HA routers in L3 agent
    
    Currently active sessions which need connection tracking state are
    broken by a HA router failover. There is no mechanism to synchronize
    states between HA router instances.
    
    This patch adds conntrackd support to enable state synchronization.
    
    An example about using conntrackd with keepalived can be found here:
    http://backreference.org/2013/04/03/firewall-ha-with-conntrackd-and-keepalived
    
    Co-Authored-By: QthCN <tianhuan@xxxxxxxxxxxxxxx>
    
    Change-Id: I28fb57b87c0e7113416873f602fcbce3742b3aaa
    Closes-Bug: #1365438
    Original-Change-Id: Ifc95d5fd17ae8a13958d97796b1046f35bd7aca7


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1365438

Title:
  Add conntrackd support to HA routers in L3 agent

Status in neutron:
  Fix Released

Bug description:
  Open TCP sessions are discarded during HA router failover. Adding
  conntrackd support should solve this issue.

  Some work has already been done in the following two patches:
  https://review.openstack.org/#/c/71586/
  https://review.openstack.org/#/c/80332/

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