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[Bug 1717927] [NEW] neutron does not create the necessary forward rules for HA network

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Nikita Gerasimov <nikita.gerasimov@xxxxxxxxxx>
Date: Mon, 18 Sep 2017 13:20:05 -0000
Reply-to: Bug 1717927 <1717927@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

neutron version - 10.0.3
ml2 linuxbridge
tenant network type - VXLAN
firewall driver - iptables

When HA router used neutron automatically create HA network per project
but miss appropriate forward rules configuration so router instances in
network namespaces can't reach each other by HA address and go to active
state simultaneously.

As workaround you cat read l3_ha_net_cidr option and tune iptables
config on router nodes.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1717927

Title:
  neutron does not create the necessary forward rules for HA network

Status in neutron:
  New

Bug description:
  neutron version - 10.0.3
  ml2 linuxbridge
  tenant network type - VXLAN
  firewall driver - iptables

  When HA router used neutron automatically create HA network per
  project but miss appropriate forward rules configuration so router
  instances in network namespaces can't reach each other by HA address
  and go to active state simultaneously.

  As workaround you cat read l3_ha_net_cidr option and tune iptables
  config on router nodes.

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