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[Bug 1246737] Re: ML2 plugin deletes port even if associated with multiple subnets on subnet deletion

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Fri, 03 Oct 2014 06:54:54 -0000
Reply-to: Bug 1246737 <1246737@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

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https://bugs.launchpad.net/bugs/1246737

Title:
  ML2 plugin deletes port even if associated with multiple subnets on
  subnet deletion

Status in OpenStack Neutron (virtual network service):
  Fix Released
Status in neutron havana series:
  Won't Fix

Bug description:
  On subnet deletion ml2 plugin deletes all the ports associated with this subnet and does not check if a port is associated with other subnets.
  Steps to reproduce:
  1) create a network with two subnets
  2) create dhcp port for the network, port is associated with both subnets
  3) delete one of the subnets
  4) dhcp port is getting deleted

  Though new dhcp port is created shortly I think it's not ok to delete
  existing dhcp port.

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