GitHub user SudharmaJain opened a pull request:

    https://github.com/apache/cloudstack/pull/1246

    CLOUDSTACK-9165 unable to use reserved IP range in a network for exte…

    …rnal VMs
    
    Repro Steps
    ------------------
    1.  Create an isolated network with CIDR 192.168.200.0/24. 
    2.  Edit the CIDR to 192.168.200.0/25. 
    3.     Perform Network restart with cleanup.
    4.  Network Restart with Cleanup, it was successful. 
    4.  Add external VM to the network with IP 192.168.200.150/24 to the 
network. 
    5.  After restart Netmask1 displayed CIDR 192.168.200.150/25 and Network 
CIDR as 192.168.200.150/24.
    6.  Create an instance from cloudstack.  
    7.  Ping the VM from external VM.
    
    Before Applying the fix
    -------------------------------
    External Vm was unable to communicate with the cloudstack managed VM. 
    
![image](https://cloud.githubusercontent.com/assets/12229259/11832815/b642ff08-a3e2-11e5-8716-71ed5bfca742.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11832892/6547de6a-a3e3-11e5-97f0-c1e86753123a.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833167/fe714df4-a3e5-11e5-8e18-a820e8c97b78.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833031/c71e23dc-a3e4-11e5-892a-69f877701885.png)
    
    
    After applying the fix
    --------------------------
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833583/0e151502-a3ea-11e5-86c8-4eceece59cc1.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833648/f56d7278-a3ea-11e5-94e1-89577f27686a.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833601/6689a4dc-a3ea-11e5-805f-cb0c51d35111.png)
    
    
![image](https://cloud.githubusercontent.com/assets/12229259/11833618/8fc85906-a3ea-11e5-8452-16cb393b847c.png)
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/SudharmaJain/cloudstack cs-9165

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/1246.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1246
    
----
commit 1bd12fce44d79a2825c4c78fbfe1183e04ce496d
Author: SudharmaJain <sudharma.j...@citrix.com>
Date:   2015-12-16T04:42:00Z

    CLOUDSTACK-9165 unable to use reserved IP range in a network for external 
VMs

----


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