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[Bug 1863091] [NEW] IPVS setup fails with openvswitch firewall driver, works with iptables_hybrid

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: "Dr. Jens Harbott" <j.harbott@xxxxxxxx>
Date: Thu, 13 Feb 2020 12:03:54 -0000
Reply-to: Bug 1863091 <1863091@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

We have some IPVS setup deployed according to
https://cloudbau.github.io/openstack/loadbalancing/networking/ipvs/2017/03/20
/ipvs-direct-routing-on-top-of-openstack.html which stopped working
after upgrading from Queens to Rocky and switching from the
iptables_hybrid firewall driver to the native openvswitch firewall
driver.

The issue can be resolved by reverting to the iptables_hybrid driver on
the compute-node hosting the LB instance.

This is on Ubuntu Bionic using the Rocky UCA, Neutron version
13.0.6-0ubuntu1~cloud0.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1863091

Title:
  IPVS setup fails with openvswitch firewall driver, works with
  iptables_hybrid

Status in neutron:
  New

Bug description:
  We have some IPVS setup deployed according to
  https://cloudbau.github.io/openstack/loadbalancing/networking/ipvs/2017/03/20
  /ipvs-direct-routing-on-top-of-openstack.html which stopped working
  after upgrading from Queens to Rocky and switching from the
  iptables_hybrid firewall driver to the native openvswitch firewall
  driver.

  The issue can be resolved by reverting to the iptables_hybrid driver
  on the compute-node hosting the LB instance.

  This is on Ubuntu Bionic using the Rocky UCA, Neutron version
  13.0.6-0ubuntu1~cloud0.

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