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From Fabrice Brazier <>
Subject RE: DHCP IP range in the isolated network
Date Thu, 14 Feb 2013 16:17:22 GMT
Yes, I'm talking about modifying the Guest DHCP ip range on a smaller
range as following:
In this case I can use fix ip upper 50 to use non CloudStack VM.
So right now, this feature is not possible ?

-----Message d'origine-----
De : Sowmya Krishnan []
Envoyé : jeudi 14 février 2013 16:43
À :
Objet : RE: DHCP IP range in the isolated network

With IP range reservation, one can reserve a range of IPs in the network
that's to be used for dhcp and reserve some for non-CloudStack purposes.
But the new CIDR should be subset of the existing CIDR.
I think Fabrice is talking about modifying the network CIDR but not within
that subnet...?

-----Original Message-----
From: S.M Basha []
Sent: Thursday, February 14, 2013 8:49 PM
Subject: Re: DHCP IP range in the isolated network



On Thu, Feb 14, 2013 at 7:52 PM, Sowmya Krishnan
> wrote:

> 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 case.
> 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 case.
> -----Original Message-----
> From: Fabrice Brazier []
> Sent: Thursday, February 14, 2013 6:41 PM
> To:
> 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 ?
> Thanks,
> Fabrice

Thanks & Regards

 "If opportunity doesn't knock the door; open the door and drag
opportunity inside."

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