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---
security:
- |
Explicitly removes the ``net.ipv4.ip_forward`` sysctl from
``/etc/sysctl.conf`` on hosts with Neutron L3 Agent. In the absence of
another source for this sysctl, it should revert to the default of 0 after
the next reboot. This is a follow up to a previous change which stopped
setting the sysctl, but leaves existing systems with the original value of
1 set.
A deployer looking to more aggressively change the value may set
``neutron_l3_agent_host_ipv4_ip_forward`` to 0 using a Yoga release of
Kolla Ansible. This option will be removed in future. Any deployments
still relying on the previous value may set
``neutron_l3_agent_host_ipv4_ip_forward`` to 1.
`LP#1945453 <https://launchpad.net/bugs/1945453>`__
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