[one-users] DHCP and OpenNebula

[Michael Curran]

So -

I configured a Virtual Network in OpenNebula GUI (sunstone) and it now adds NIC settings to the Windows VM

ethernet0.present = "true"
ethernet0.networkName = "VM Network"
ethernet0.connectionType = "bridged"
ethernet0.addressType = "static"
ethernet0.address = "02:00:c0:a8:fb:01"
ethernet0.checkMACAddress = "false"

But it does not set the

ethernet0.virtualDev ="{e1000|vmxnet3|flexible}" so the VM does not see any NICs


Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285 | Mobile 614.403.6320 | www.connectsolutions.com<http://www.connectsolutions.com>

From: users-bounces at lists.opennebula.org [mailto:users-bounces at lists.opennebula.org] On Behalf Of Carlo Daffara
Sent: Thursday, July 11, 2013 7:14 AM
Cc: Users OpenNebula
Subject: Re: [one-users] DHCP and OpenNebula


It works exactly like a physical server- if there is network visibility (same vlan or default bridge) the booted VM will get its address from DHCP. We use this configuration (thus ignoring the opennebula-assigned IP) in several customers' networks, especially when the VM cones from virtualization of user desktops.
Cheers
Carlo Daffara
Il giorno 11/lug/2013 12:54, "Michael Curran" <michael.curran at connectsolutions.com<mailto:michael.curran at connectsolutions.com>> ha scritto:
But in that case, I would be assigning IP's to hosts instead of them booting up and just using DHCP to get the IP address

I want to just assign the NIC and let the OS obtain an IP from DHCP instead, on system boot.

Still reading the documentation, but not seeing a method for it yet.

Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285<tel:614.568.2285> | Mobile 614.403.6320<tel:614.403.6320> | www.connectsolutions.com<http://www.connectsolutions.com>

From: users-bounces at lists.opennebula.org<mailto:users-bounces at lists.opennebula.org> [mailto:users-bounces at lists.opennebula.org<mailto:users-bounces at lists.opennebula.org>] On Behalf Of Pentium100
Sent: Thursday, July 11, 2013 2:24 AM
To: users at lists.opennebula.org<mailto:users at lists.opennebula.org>
Subject: Re: [one-users] DHCP and OpenNebula

>From what I understand, OpenNebula encodes the IP in the MAC, for example, the VM with assigned IP 10.0.0.2 would get a MAC 02:00:0a:00:00:02. Just create an IP:MAC list for the DHCP server and it will work.
host a10-0-0-1 { hardware ethernet 02:00:0a:00:00:01; fixed address 10.0.0.1; }
host a10-0-0-2 { hardware ethernet 02:00:0a:00:00:02; fixed address 10.0.0.2; }
and so on...

On Wed, Jul 10, 2013 at 6:25 PM, Michael Curran <michael.curran at connectsolutions.com<mailto:michael.curran at connectsolutions.com>> wrote:
Can I leverage an existing DHCP server to assign IP's to a host , and just use OpenNebula to assign the NIC?

Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285<tel:614.568.2285> | Mobile 614.403.6320<tel:614.403.6320> | www.connectsolutions.com<http://www.connectsolutions.com>


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