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[Shraddha Pandhe <shraddha.pandhe@xxxxxxxxx>]

Public bug reported:

Currently, the subnets in Neutron only support one gateway. For provider
networks in large data centers, quite often, the architecture is such a
way that multiple gateways are configured for the subnets. These
multiple gateways are typically spread across backplanes  so that the
production traffic can be load-balanced between backplanes.

This is just my use case for supporting multiple gateways, but other
folks might have more use cases as well.

I want to open up a discussion on this topic and figure out the best way
to handle this. Should this be done in a same way as dns-nameserver,
with a separate table with two columns:  gateway_ip, subnet_id.

** Affects: neutron
     Importance: Undecided
     Assignee: Shraddha Pandhe (shraddha-pandhe)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Shraddha Pandhe (shraddha-pandhe)

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https://bugs.launchpad.net/bugs/1464361

Title:
  Support for multiple gateways in Neutron subnets in provider networks

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Currently, the subnets in Neutron only support one gateway. For
  provider networks in large data centers, quite often, the architecture
  is such a way that multiple gateways are configured for the subnets.
  These multiple gateways are typically spread across backplanes  so
  that the production traffic can be load-balanced between backplanes.

  This is just my use case for supporting multiple gateways, but other
  folks might have more use cases as well.

  I want to open up a discussion on this topic and figure out the best
  way to handle this. Should this be done in a same way as dns-
  nameserver, with a separate table with two columns:  gateway_ip,
  subnet_id.

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