Pierre-Luc Dion created CLOUDSTACK-9500:
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             Summary: VR configuration not clean properly after Public IP release
                 Key: CLOUDSTACK-9500
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9500
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Virtual Router
    Affects Versions: 4.9.0, 4.7.0
            Reporter: Pierre-Luc Dion


On a VPC, releasing a public IP that had Port Forwarding does not remove configuration of the public IP on the VR configs ({{/etc/cloudstack/forwardingrules.json}}, {{/etc/cloudstack/ips.json}})

So, when this IP is reassign to another VPC, it cause arp table issues on switches, because 2 MAC try to own this IP from 2 different VRs. the IP on the old VR is not pignable but the switches arp table get updated every time the previous VR have configuration changes.







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