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From Geoff Higginbottom <geoff.higginbot...@shapeblue.com>
Subject RE: VM Instance ip difference beetween Network types
Date Thu, 19 Dec 2013 11:51:29 GMT
Antonio

This behaviour is because of the differences between Basic and Advanced Networking.

In a Basic Zone, the IP is determined by the POD the VM gets assigned to, but this assignment
only happens when it is started for the first time.

With an Advanced Network, the IP is assigned from the Guest CIDR for the associated network
and the VM Placement has no impact on this so the IP is assigned during VM creation.

The IP allocation for a VM in a Basic Zone could be seen by some as inferior when compared
to an Advanced Zone.  In an Advanced Zone you can assign the IP when you create the VM (via
API) but this is not possible for a Basic Zone, even for Root Admins.

I know this does not answer your question, just giving you the background as to why it works
the way it does.

Regards

Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

geoff.higginbottom@shapeblue.com

-----Original Message-----
From: Antonio Petrocelli [mailto:a.petrocelli@netsons.com]
Sent: 19 December 2013 11:32
To: users@cloudstack.apache.org
Subject: VM Instance ip difference beetween Network types

Hello,

on *Basic *Network types the IP is assigned only after VM start first time

but

on *Advanced *Network types the IP is assigned immediatly after vm deploy and before before
VM start first time.

Is there a way to make Advanced work like Basic (IP will be assigned only after VM start)?

Thanks.

Best Regards.
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