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[Brian Haley <1988382@xxxxxxxxxxxxxxxxxx>]

** Changed in: neutron
       Status: In Progress => Won't Fix

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https://bugs.launchpad.net/bugs/1988382

Title:
  L3 agent(agent_mode=dvr_snat) restart, fip namespace removed rfp-port,
  resulting in fip not connecting

Status in neutron:
  Won't Fix

Bug description:
  stable/victoria

  openstack network node(agent_mode=dvr_snat) and compute node are the
  same node，the VM on this node is bound to fip, but the snat_port of
  the router of this VM is located in another network node,VM can access
  north-south traffic via fip.But if you restart the l3-agent,The
  external_gateway_removed is called during l3-agent restart, causing
  the fip on that node to be unreachable

  https://github.com/openstack/neutron/blob/stable/victoria/neutron/agent/l3/dvr_edge_router.py #180
  https://github.com/openstack/neutron/blob/stable/victoria/neutron/agent/l3/dvr_edge_router.py #56
  https://github.com/openstack/neutron/blob/stable/victoria/neutron/agent/l3/dvr_local_router.py #669

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