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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: neutron
       Status: Fix Committed => Fix Released

** Changed in: neutron
    Milestone: None => liberty-1

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https://bugs.launchpad.net/bugs/1446161

Title:
  Support multiple IPv6 prefixes on internal router ports for an HA
  Router.

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  As part of BP multiple IPv6 prefixes, we can have multiple IPv6 prefixes on
  router internal ports. Patch, I7d4e8194815e626f1cfa267f77a3f2475fdfa3d1, adds
  the necessary support for a legacy router.

  For an HA router, instead of configuring the addresses on the router internal
  ports we should be updating the keepalived config file and let keepalived
  configure the addresses depending on the state of the router.

  Following are the observations with the current code for an HA router.
  1. IPv6 addresses are configured on the router internal ports (i.e., qr-xxx)
     irrespective of the state of the router. As the same IP is configured on
     multiple ports you will notice dadfailed status on the ports.
  2. Keepalived configuration is not updated with the new IPv6 addresses.

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