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https://issues.apache.org/jira/browse/CLOUDSTACK-9832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16227314#comment-16227314
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ASF GitHub Bot commented on CLOUDSTACK-9832:
--------------------------------------------

fmaximus commented on issue #2004: CLOUDSTACK-9832: Do not assign public IP NIC 
to the VPC VR when the VPC offering does not contain VpcVirtualRouter as a 
SourceNat provider
URL: https://github.com/apache/cloudstack/pull/2004#issuecomment-340018338
 
 
   @remibergsma To summarize:
   Currently VPN on VR only works if VR is also the gateway/sourcenat provider.
   So checking on VPN becomes necessary once VR provides VPN, 
   but sourcenat is implemented by another provider. 
   In this case more changes will be necessary to get VPN working, 
   like adding static routes and adding iptables rukes i.c.o. VR not providing 
Acl. 
   
   Another point to take into account: for isolated networks a similar check 
already exists, and that also only checks SourceNat.

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> Do not assign public IP NIC to the VPC VR when the VPC offering does not 
> contain VpcVirtualRouter as a SourceNat provider
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9832
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9832
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Management Server
>            Reporter: Mani Prashanth Varma Manthena
>            Assignee: Frank Maximus
>             Fix For: 4.11.0.0
>
>
> When the VPC offering does not contain VpcVirtualRouter as a SourceNat 
> provider, then we will not add the interface in the public network to the 
> VpcVR. Thus, conserving Public IPs.



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