[ https://issues.apache.org/jira/browse/CLOUDSTACK-1748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Abhinav Roy closed CLOUDSTACK-1748. ----------------------------------- > IP Reservation results in reserving the broadcast IP of the network as well > --------------------------------------------------------------------------- > > Key: CLOUDSTACK-1748 > URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1748 > Project: CloudStack > Issue Type: Bug > Security Level: Public(Anyone can view this level - this is the > default.) > Components: Network Controller > Affects Versions: 4.2.0 > Reporter: Abhinav Roy > Assignee: Saksham Srivastava > Fix For: 4.2.0 > > > Description : > ======================== > Ip reservation results in reservation of broadcast ip of the network as well. > Steps : > ======================= > 1. Create a guest network with CIDR 10.1.1.0/24 > 2. Make IP reservation with 10.1.1.0/25 > Expected result : > ====================== > The broadcast IP of the guest CIDR 10.1.1.0/25 is 10.1.1.127 , now this IP > should not be reserved. > Address: 10.1.1.0 00001010.00000001.00000001.0 0000000 > Netmask: 255.255.255.128 = 25 11111111.11111111.11111111.1 0000000 > Wildcard: 0.0.0.127 00000000.00000000.00000000.0 1111111 > => > Network: 10.1.1.0/25 00001010.00000001.00000001.0 0000000 (Class > A) > Broadcast: 10.1.1.127 00001010.00000001.00000001.0 1111111 > HostMin: 10.1.1.1 00001010.00000001.00000001.0 0000001 > HostMax: 10.1.1.126 00001010.00000001.00000001.0 1111110 > Hosts/Net: 126 (Private Internet) > Observation : > ====================== > The broadcast IP of the guest CIDR gets reserved as well > <listnetworksresponse > cloud-stack-version="4.2.0-SNAPSHOT"><count>1</count><network><id>d34f885d-9f19-4d0e-92eb-95f0d33bcaea</id><name>N-2</name><displaytext>n2</displaytext><broadcastdomaintype>Vlan</broadcastdomaintype><traffictype>Guest</traffictype><gateway>10.1.1.1</gateway><netmask>255.255.255.0</netmask><cidr>10.1.1.0/25</cidr><networkcidr>10.1.1.0/24</networkcidr><reservediprange>10.1.1.127-10.1.1.254</reservediprange><zoneid>499a59a4-e42f-422b-99ec-0fb682e8b2d1</zoneid><zonename>Zone-1</zonename><networkofferingid>3f320aaa-5128-49a7-8a70-8cd975d6fe17</networkofferingid><networkofferingname>DefaultIsolatedNetworkOfferingWithSourceNatService</networkofferingname><networkofferingdisplaytext>Offering > for Isolated networks with Source Nat service > enabled</networkofferingdisplaytext><networkofferingavailability>Required</networkofferingavailability><issystem>false</issystem><state>Implemented</state> > Same observation is made when the guest CIDR is 10.1.1.0/26 , 10.1.1.0/27 , > 10.1.1.0/28 etc > Address: 10.1.1.0 00001010.00000001.00000001.00 000000 > Netmask: 255.255.255.192 = 26 11111111.11111111.11111111.11 000000 > Wildcard: 0.0.0.63 00000000.00000000.00000000.00 111111 > => > Network: 10.1.1.0/26 00001010.00000001.00000001.00 000000 (Class > A) > Broadcast: 10.1.1.63 00001010.00000001.00000001.00 111111 > HostMin: 10.1.1.1 00001010.00000001.00000001.00 000001 > HostMax: 10.1.1.62 00001010.00000001.00000001.00 111110 > Hosts/Net: 62 (Private Internet) > <listnetworksresponse > cloud-stack-version="4.2.0-SNAPSHOT"><count>1</count><network><id>01a2dcaa-f21d-4096-8b24-755e74d67fa5</id><name>N-1</name><displaytext>N-1</displaytext><broadcastdomaintype>Vlan</broadcastdomaintype><traffictype>Guest</traffictype><gateway>10.1.1.1</gateway><netmask>255.255.255.0</netmask><cidr>10.1.1.0/26</cidr><networkcidr>10.1.1.0/24</networkcidr><reservediprange>10.1.1.63-10.1.1.254</reservediprange><zoneid>499a59a4-e42f-422b-99ec-0fb682e8b2d1</zoneid><zonename>Zone-1</zonename><networkofferingid>3f320aaa-5128-49a7-8a70-8cd975d6fe17</networkofferingid> -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira