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[Yaroslav <yaroslav.isakov@xxxxxxxxx>]

Public bug reported:

There is a problem with Cisco Nexus ML2 mechanism and GRE networks.
Function _port_action fails with NexusMissingRequiredFields if the
port's network is not VLAN. So, this prevents port binding, that leads
to completely non-working GRE networks.

My proposed solution is to add the check in beginning of _port_action:

if (segment and segment[api.NETWORK_TYPE] != p_const.TYPE_VLAN):
    return

There is a similar check in _get_vlanid, but this is not enough

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: cisco ml2

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https://bugs.launchpad.net/bugs/1415672

Title:
  Cisco Nexus ML2 mechanism fails on GRE networks

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  There is a problem with Cisco Nexus ML2 mechanism and GRE networks.
  Function _port_action fails with NexusMissingRequiredFields if the
  port's network is not VLAN. So, this prevents port binding, that leads
  to completely non-working GRE networks.

  My proposed solution is to add the check in beginning of _port_action:

  if (segment and segment[api.NETWORK_TYPE] != p_const.TYPE_VLAN):
      return

  There is a similar check in _get_vlanid, but this is not enough

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