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From Sowmya Krishnan <>
Subject RE: DHCP IP range in the isolated network
Date Thu, 14 Feb 2013 14:22:14 GMT
Option of specifying custom dhcp range is available while creating a new guest network - You
can specify custom guest gateway and network during network creation that would override the
default zone level CIDR. But this is not allowed if you choose a network offering that uses
external devices (like Netscaler for example). The CIDR is generated by CloudStack in that

For existing network, I think updateNetwork API does provide an option to change cidr. But
if you already have running VMs in the network, I am not very sure of the behavior in that

-----Original Message-----
From: Fabrice Brazier [] 
Sent: Thursday, February 14, 2013 6:41 PM
Subject: DHCP IP range in the isolated network

Hi Folks,

By default the guest CIDR for the advanced zone is and the dhcp ip range is on
the entire subnet.

Does it possible to modify the default dhcp ip range in this isolated network ?



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