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  1. Red Hat OpenStack Services on OpenShift
  2. OSPRH-6917

BZ#2213683 the amphora instance sending packets over vxlan MTU

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      Description of problem:
      the amphora instance sending packets over vxlan MTU

      Version-Release number of selected component (if applicable):
      16.2

      How reproducible:
      Run a ML2/OVN + VXLAN environment and create loadbalancer 

      Steps to Reproduce:
      1. deployed overcloud with ML2/OVN + VXLAN

      (undercloud) [stack@undercloud ~]$ cat overcloud_deploy.sh 
      #!/usr/bin/bash

      openstack overcloud deploy --templates \
        -r /home/stack/roles_data.yaml \
        -n /home/stack/network_data.yaml \
        -e /home/stack/templates/scheduler_hints_env.yaml \
        -e /home/stack/templates/node-info.yaml \
        -e /home/stack/containers-prepare-parameter.yaml \
        -e /home/stack/inject-trust-anchor-hiera.yaml \
        -e /usr/share/openstack-tripleo-heat-templates/environments/enable-legacy-telemetry.yaml \
        -e /usr/share/openstack-tripleo-heat-templates/environments/network-isolation.yaml \
        -e /usr/share/openstack-tripleo-heat-templates/environments/network-environment.yaml \
        -e /usr/share/openstack-tripleo-heat-templates/environments/services/octavia.yaml \
        -e /home/stack/templates/custom-network-configuration.yaml \
        -e /home/stack/templates/fencing.yaml \
        -e /usr/share/openstack-tripleo-heat-templates/environments/compute-instanceha.yaml \
        -e /home/stack/templates/post_config.yaml \
        -e /home/stack/templates/neutron-network-type.yaml \
       --ntp-server 192.168.24.254

      (undercloud) [stack@undercloud ~]$ cat /home/stack/templates/neutron-network-type.yaml
      parameter_defaults:
        NeutronNetworkType: vxlan,vlan

      2. (overcloud) [stack@undercloud ~]$ openstack loadbalancer create --name test1 --vip-subnet-id public
      (overcloud) [stack@undercloud ~]$ openstack server list --all
      ----------------------------------------------------------------------------------------------------------------------------------------------------------------+

      ID                                   Name                                         Status Networks                 Image                                   Flavor    

      ----------------------------------------------------------------------------------------------------------------------------------------------------------------+

      c9747646-969d-4fc8-aa53-6dd896b291d2 amphora-4b79b899-969f-4ba3-a83a-fb8f4569f5a3 ACTIVE lb-mgmt-net=172.24.1.243 octavia-amphora-16.2-20230412.1.x86_64 octavia_65
      76100584-05ef-4841-b7d1-860f8197910e amphora-507fd617-8886-4956-9203-8e747e000d93 ACTIVE lb-mgmt-net=172.24.2.69   octavia-amphora-16.2-20230412.1.x86_64 octavia_65

      ----------------------------------------------------------------------------------------------------------------------------------------------------------------+
      (overcloud) [stack@undercloud ~]$ openstack loadbalancer list 
      -----------------------------------------------------------------------------------------------------------------+

      id                                   name   project_id                       vip_address provisioning_status provider

      -----------------------------------------------------------------------------------------------------------------+

      5c80f6a8-0e25-4d53-94e9-a204344e5758 test1 3b414446295548ec9726ec79031b064a 10.1.1.114   PENDING_CREATE       amphora  

      -----------------------------------------------------------------------------------------------------------------+

      Actual results:
      Counld't create

      Expected results:
      Create successfully

      Additional info:

              jamsmith@redhat.com James Smith
              rhn-support-jiehuang Huang Jie yu
              rhos-dfg-networking-squad-neutron
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                Created:
                Updated:
                Resolved: