Abhinav Roy created CLOUDSTACK-1647:
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Summary: IP Reservation should not happen if the guest-vm cidr and
network cidr is not same but their start ip and end ip are same.
Key: CLOUDSTACK-1647
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1647
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: API
Affects Versions: 4.2.0
Reporter: Abhinav Roy
Assignee: Saksham Srivastava
Fix For: 4.2.0
Steps :-
======================
1. Create a guest network with Netscaler offering . Once the network is created
you will find the CIDR as something like 10.0.144.0/20.
2. Now implement the network and implement ip reservation by passing
guestvmcidr as 10.0.151.0/20.
Observation :-
=====================
The set of ips which come under the cidr 10.0.144.0/20
Address: 10.0.144.0 00001010.00000000.1001 0000.00000000
Netmask: 255.255.240.0 = 20 11111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
=>
Network: 10.0.144.0/20 00001010.00000000.1001 0000.00000000 (Class A)
Broadcast: 10.0.159.255 00001010.00000000.1001 1111.11111111
HostMin: 10.0.144.1 00001010.00000000.1001 0000.00000001
HostMax: 10.0.159.254 00001010.00000000.1001 1111.11111110
Hosts/Net: 4094 (Private Internet)
is same as the set of ips which come under the cidr 10.0.151.0/20
Address: 10.0.151.0 00001010.00000000.1001 0111.00000000
Netmask: 255.255.240.0 = 20 11111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
=>
Network: 10.0.144.0/20 00001010.00000000.1001 0000.00000000 (Class A)
Broadcast: 10.0.159.255 00001010.00000000.1001 1111.11111111
HostMin: 10.0.144.1 00001010.00000000.1001 0000.00000001
HostMax: 10.0.159.254 00001010.00000000.1001 1111.11111110
Hosts/Net: 4094 (Private Internet)
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Expected behaviour :-
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In cases like these where the start ip and end ip of guest vm cidr and network
cidr are same, the reservation procedure should not go through and user should
get a message mentioning that.
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