CentOS - Mar 2014 - KVM and DHCP

CentOS-6.5

We have a KVM guest running MS-WinV7pro.  This guest is joined to an Active
Directory Domain.  That domain provides DHCP to the members.  The KVM guest
does not obtain its IP from the domain but from the local host's qemu
hypervisor instead.

Is there anyway to get around this and have the guest MS-Win OS get its DHCP
from the same place as the rest of the domain members?


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James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
Harte & Lyne Limited          http://www.harte-lyne.ca
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Hamilton, Ontario             fax: +1 905 561 0757
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On 13/03/14 03:43 PM, James B. Byrne wrote:
> CentOS-6.5
>
> We have a KVM guest running MS-WinV7pro.  This guest is joined to an Active
> Directory Domain.  That domain provides DHCP to the members.  The KVM guest
> does not obtain its IP from the domain but from the local host's qemu
> hypervisor instead.
>
> Is there anyway to get around this and have the guest MS-Win OS get its
DHCP
> from the same place as the rest of the domain members?
Yup, build a traditional bridge instead of using qemu's 'default'
virbr0
NAT'ed bridge.

I do it this way:

https://alteeve.ca/w/AN!Cluster_Tutorial_2#Configuring_our_Bridge.2C_Bonds_and_Interfaces

You can ignore the bonds if you're not using them, and just put the 
'BRIDGE="vbrX"' in the ethX file. Move the IP from the ethX to
vbrX.
With that, your VMs will effectively be on the same network, no 
translation, and the bridge will act just like another switch on your 
network.

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