[jira] [Created] (CLOUDSTACK-2511) Multiple_Ip_Ranges: Adding guest ip range in subset/superset to existing CIDR is allowed

["Sanjeev N (JIRA)" <ji...@apache.org>]

Sanjeev N created CLOUDSTACK-2511:
-------------------------------------

             Summary: Multiple_Ip_Ranges: Adding guest ip range in subset/superset to existing CIDR is allowed
                 Key: CLOUDSTACK-2511
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2511
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.2.0
         Environment: Build from master branch:CloudStack-non-OSS-MASTER-340-rhel6.3.tar.gz

            Reporter: Sanjeev N
            Priority: Critical
             Fix For: 4.2.0


Adding guest ip range in subset/superset to existing CIDR is allowed, but as per the FS adding guest ip range subset or super set to existing subnet should fail.

Repro steps:
===========
1.Bring up CS in basic zone with xenserver 6.1
2.Add ip range as follows:
gw:10.147.40.1
Netmask: 255.255.255.0
IP Range: 10.147.40.2-10.147.40.10
3.Try to add another guest IP range super set to exiting subnet 
eg: gw 10.147.40.1, Netmask 255.255.254.0
IP Range: 10.147.40.20-10.147.40.30
4.Try to add another guest IP range subset to existing subnet
eg: gw 10.147.40.1, Netmask 255.255.255.128
IP Range 10.147.40.40-10.147.40.50

Expected Behaviour:
================
Though the new ip range added at step3 falls under existing subnet, adding it should fails since its subnet is superset to existing subnet.
Similarly new ip range at step4 falls under existing subnet, but adding it should fail since its subnet is subset to existing subnet.

Actual Behaviour:
===============
Adding ip range in subset/super set to existing subnet is not failing.

Observations:
===========
If the new ip range is subset/superset to exiting subnet and does not fall under the exiting subnet then only CS does not allow adding that ip range.


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