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[James Page <1924776@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

OpenStack Ussuri
OVN 20.03.x
Ubuntu 20.04

When multiple networks/subnets are attached to a router which all form
part of the same subnet pool and associated address scope SNAT is not
automatically disabled to support routing between the subnets attached
to the router.

Ensuring the router is created with SNAT disabled resolves this issue
but that's an extra non-obvious step for a cloud admin/end user.

** Affects: neutron
     Importance: Undecided
         Status: New

** Affects: neutron (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: neutron (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- [ovn] use of address scopes does not automatically disable snat
+ [ovn] use of address scopes does not automatically disable router snat

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https://bugs.launchpad.net/bugs/1924776

Title:
  [ovn] use of address scopes does not automatically disable router snat

Status in neutron:
  New
Status in neutron package in Ubuntu:
  New

Bug description:
  OpenStack Ussuri
  OVN 20.03.x
  Ubuntu 20.04

  When multiple networks/subnets are attached to a router which all form
  part of the same subnet pool and associated address scope SNAT is not
  automatically disabled to support routing between the subnets attached
  to the router.

  Ensuring the router is created with SNAT disabled resolves this issue
  but that's an extra non-obvious step for a cloud admin/end user.

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