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Date: Tue, 7 Jun 2016 17:54:21 +0000 (UTC)
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Subject: [jira] [Commented] (CLOUDSTACK-9317) Disabling static NAT on many
 IPs can leave wrong IPs on the router
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archived-at: Tue, 07 Jun 2016 17:54:22 -0000


    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319005#comment-15319005 ] 

ASF GitHub Bot commented on CLOUDSTACK-9317:
--------------------------------------------

Github user bvbharatk commented on the issue:

    https://github.com/apache/cloudstack/pull/1450
  
    ### ACS CI BVT Run
     **Sumarry:**
     Build Number 154
     Hypervisor xenserver
     NetworkType Advanced
     Passed=73
     Failed=0
     Skipped=3
    
    _Link to logs Folder (search by build_no):_ https://www.dropbox.com/sh/yj3wnzbceo9uef2/AAB6u-Iap-xztdm6jHX9SjPja?dl=0
    
    
    **Failed tests:**
    
    **Skipped tests:**
    test_vm_nic_adapter_vmxnet3
    test_static_role_account_acls
    test_deploy_vgpu_enabled_vm
    
    **Passed test suits:**
    test_deploy_vm_with_userdata.py
    test_affinity_groups_projects.py
    test_portable_publicip.py
    test_vpc_vpn.py
    test_over_provisioning.py
    test_global_settings.py
    test_scale_vm.py
    test_service_offerings.py
    test_routers_iptables_default_policy.py
    test_routers.py
    test_reset_vm_on_reboot.py
    test_snapshots.py
    test_deploy_vms_with_varied_deploymentplanners.py
    test_login.py
    test_list_ids_parameter.py
    test_public_ip_range.py
    test_multipleips_per_nic.py
    test_regions.py
    test_affinity_groups.py
    test_network_acl.py
    test_pvlan.py
    test_volumes.py
    test_nic.py
    test_deploy_vm_root_resize.py
    test_resource_detail.py
    test_secondary_storage.py
    test_vm_life_cycle.py
    test_disk_offerings.py


> Disabling static NAT on many IPs can leave wrong IPs on the router
> ------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9317
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9317
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server, Virtual Router
>    Affects Versions: 4.7.0, 4.7.1, 4.7.2
>            Reporter: Jeff Hair
>
> The current behavior of enabling or disabling static NAT will call the apply IP associations method in the management server. The method is not thread-safe. If it's called from multiple threads, each thread will load up the list of public IPs in different states (add or revoke)--correct for the thread, but not correct overall. Depending on execution order on the virtual router, the router can end up with public IPs assigned to it that are not supposed to be on it anymore. When another account acquires the same IP, this of course leads to network problems.
> The problem has been in CS since at least 4.2, and likely affects all recently released versions. Affected version is set to 4.7.x because that's what we verified against.


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