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Reviewed:  https://review.openstack.org/578002
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=b2b42296965d8d339f06e62bd76ff81c0b746777
Submitter: Zuul
Branch:    master

commit b2b42296965d8d339f06e62bd76ff81c0b746777
Author: Swaminathan Vasudevan <SVasudevan@xxxxxxxx>
Date:   Mon Jun 25 23:25:19 2018 -0700

    DVR: FIP gateway port is tagged as DEAD port by OVS with external-bridge
    
    FIP agent gateway port is tagged as a DEAD port by OVS when external
    bridge is configured in neutron.
    
    When external bridge is configured, the vlan tag should be removed
    after the port is plugged in.
    
    This patch fixes the issue.
    
    Change-Id: I969b9d7e7cef4beff526a2b26de3f1a9f9de4c1c
    Closes-Bug: #1778643


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

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https://bugs.launchpad.net/bugs/1778643

Title:
  DVR: Fip gateway port is tagged as DEAD port by OVS when
  external_bridge is configured

Status in neutron:
  Fix Released

Bug description:
  When external bridge is configured in Neutron, the FIP Agent Gateway
  port 'fg-' is tagged as a DEAD port with Vlan id of 4095.

  This issue is seen in Pike.

  It seems that there was fix that recently merged in neutron shown below
  https://review.openstack.org/#/c/564825/10

  Based on this patch, the 4095 vlan tag for the 'qg-' is removed when
  external bridge is configured. But it has not been handled for the DVR
  FIP agent gateway port.

  So we are seeing the port as DEAD always, when external bridge such as
  'br-vlan1087' is configured.

  Bridge "br-vlan1087"
          Port "br-vlan1087"
              Interface "br-vlan1087"
                  type: internal
          Port "vlan1087"
              Interface "vlan1087"
          Port "fg-0a4a425d-d5"
              tag: 4095
              Interface "fg-0a4a425d-d5"
                  type: internal
      ovs_version: "2.7.0"

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