andrijapanicsb opened a new issue #3787: The same IP address of Shared VR not 
re-used when VR is deleted/created
URL: https://github.com/apache/cloudstack/issues/3787
 
 
   
   ##### ISSUE TYPE
   <!-- Pick one below and delete the rest -->
    * Bug Report
   
   
   ##### COMPONENT NAME
   <!--
   Categorize the issue, e.g. API, VR, VPN, UI, etc.
   -->
   ~~~
   VR
   ~~~
   
   ##### CLOUDSTACK VERSION
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   New line separated list of affected versions, commit ID for issues on master 
branch.
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   ~~~
   Tested in 4.11.3 (to be confirmed in 4.13, but I expect the identical 
behaviour) 
   ~~~
   
   ##### CONFIGURATION
   <!--
   Information about the configuration if relevant, e.g. basic network, 
advanced networking, etc.  N/A otherwise
   -->
   
   Shared network with a running VR.
   
   ##### OS / ENVIRONMENT
   <!--
   Information about the environment if relevant, N/A otherwise
   -->
   NA
   
   ##### SUMMARY
   <!-- Explain the problem/feature briefly -->
   
   when VR is manually destroyed and then created automatically again (when 
starting an existing/new VM) - the public IP of the VR will NOT be the one from 
the “placeholder” DB records but a new random Public IP 
   
   ##### STEPS TO REPRODUCE
   <!--
   For bugs, show exactly how to reproduce the problem, using a minimal 
test-case. Use Screenshots if accurate.
   
   For new features, show how the feature would be used.
   -->
   
   <!-- Paste example playbooks or commands between quotes below -->
   ~~~
   
   ~~~
   
   <!-- You can also paste gist.github.com links for larger files -->
   
   ##### EXPECTED RESULTS
   <!-- What did you expect to happen when running the steps above? -->
   
   ~~~
   When a new VR for Shared network is created, it's "public/guest" interface 
is given some IP and this one should persist for the life time of the VR - i.e. 
when network is restarted with cleannup, a new VR will be created, but with the 
same IP - so that the existing user VMs can continue to use it as DHCP/DNS 
server.
   
   i.e
   
![image](https://user-images.githubusercontent.com/45762285/71478410-bf65ac80-27ef-11ea-930d-b3f264008e0c.png)
   
   ~~~
   
   ##### ACTUAL RESULTS
   <!-- What actually happened? -->
   
   <!-- Paste verbatim command output between quotes below -->
   ~~~
   When network is restarted with cleanup, the IP for the new NIC for the new 
VR stays the same as the "placeholder" IP (see image above)
   
   But when VR is deleted, and then a new VM is created/existing VM is started, 
a new VR will be created, but it will not inherit the "placeholder" IP, and 
will instead get the new IP address - this needs fixing.
   ~~~
   

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