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[Ihar Hrachyshka <1355627@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1542475 ***
    https://bugs.launchpad.net/bugs/1542475

** This bug is no longer a duplicate of bug 1311097
   can't set MTU size for router interface
** This bug has been marked a duplicate of bug 1542475
   MTU concerns for the Open vSwitch agent

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https://bugs.launchpad.net/bugs/1355627

Title:
  There should be a parameter to define MTU for router interfaces in
  l3_agent.ini config file

Status in neutron:
  New

Bug description:
  There should be a parameter to define MTU for DVR interfaces in
  l3_agent.ini config file

  Since configuring the MTU as 8900 for DVR/Legacy router interfaces
  gives better performance, it should be good to provide an option to
  configure the MTU for DVR/Legacy Router interfaces in l3_agent.ini
  config file.

  By default the DVR/Legacy  interface MTU is configured as 1500. Since
  we have seen the significant improvements in performance with MTU 8900
  for router interfaces, it would be good to provide an
  attribute/parameter in the l3_agent config file to enable the user to
  provide the desired MTU for the router interfaces.

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