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[James Slagle <jslagle@xxxxxxxxxx>]

closing, patches to address this issue have merged. although likely they
don't address the true root cause

** Changed in: tripleo
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1270646

Title:
  PMTUd / DF broken in GRE tunnel configuration

Status in OpenStack Neutron (virtual network service):
  New
Status in tripleo - openstack on openstack:
  Fix Released

Bug description:
  PMTUd / DF is broken in our GRE tunnel configuration - slow network
  performance with ovs 1.10.2, pulled the MTU on the VM down to 1440 and
  10MB/s from LA to the UK.

  Thats with both the 1.10.2 dkms package from Ubuntu and the 3.11
  kernel datapath

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