yahoo-eng-team team mailing list archive

[Nate Johnston <1794919@xxxxxxxxxxxxxxxxxx>]

I agree with Slaweq.  According to the API guide:

    If you specify only a subnet ID, OpenStack Networking allocates an 
    available IP from that subnet to the port.

This approach is more flexible, because it allows you to declare whether
you want IPv4, IPv6, or both depending on which you select.

Please let me know what functionality you find that is not satisfied by
this approach.

** Changed in: neutron
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1794919

Title:
  [RFE] To decide create port with specific IP version

Status in neutron:
  Opinion

Bug description:
  Recently bug:
  https://bugs.launchpad.net/neutron/+bug/1752903
  and the fix https://review.openstack.org/#/c/599494/
  are trying to create floating IP only including IPv4 version.

  For now, if the public network has both IPv4 and IPv6 subnet
  the floating IP (port) may have both v4 and v6 addresses.
  Furthermore, not only the public network, for tenant network
  the default behavior is also to create one port with both v4 and v6 IP addr.
  Here are some test:
  http://paste.openstack.org/show/731054/

  So, this RFE raises a new approach to the port create API,
  when user try to create the port, they can decide which IP version to use.

  something like this:
  curl POST http://neutron_url/ports -d
  '{"port": {
  "subnet_id": <a-subnet-id>,
  "ip_version": <one of [both, v4, v6]>
  }
  }'

  So for the ml2 plugin, the IPAM can pick both/only v4/only v6 version
  of subnet to use.

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