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[Rodolfo Alonso <ralonsoh@xxxxxxxxxx>]

Public bug reported:

This is the Neutron follow-up for the Nova BP
https://blueprints.launchpad.net/nova/+spec/boot-vm-with-unaddressed-
port.


DESCRIPTION:
Currently Nova only allows to boot a VM if all ports attached:
- Have an IP assigned.
- The IP allocation is deferred.

But Nova doesn't allow to spawn a VM with a port without an IP assigned.
However, some kind of applications (e.g.: routers) need a port which may
be receiving traffic for several addresses, already configured in other
devices.

At the moment, Neutron permits to create a port, assigned to a network
with the corresponding subnetworks and IP pools, without an IP.


RELATED BUGS:
* "[RFE] Port binding event extended information for Nova": https://bugs.launchpad.net/neutron/+bug/1821058

** Affects: neutron
     Importance: Undecided
     Assignee: Rodolfo Alonso (rodolfo-alonso-hernandez)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

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https://bugs.launchpad.net/bugs/1844131

Title:
  Boot a VM with an unaddressed port

Status in neutron:
  New

Bug description:
  This is the Neutron follow-up for the Nova BP
  https://blueprints.launchpad.net/nova/+spec/boot-vm-with-unaddressed-
  port.

  
  DESCRIPTION:
  Currently Nova only allows to boot a VM if all ports attached:
  - Have an IP assigned.
  - The IP allocation is deferred.

  But Nova doesn't allow to spawn a VM with a port without an IP
  assigned. However, some kind of applications (e.g.: routers) need a
  port which may be receiving traffic for several addresses, already
  configured in other devices.

  At the moment, Neutron permits to create a port, assigned to a network
  with the corresponding subnetworks and IP pools, without an IP.

  
  RELATED BUGS:
  * "[RFE] Port binding event extended information for Nova": https://bugs.launchpad.net/neutron/+bug/1821058

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