[ovirt-users] question on VM

[Lior Vernia]

Hi Bill,

So without firewall you can ping interfaces inside the cluster but
nothing outside? Could it be that your DHCP server is allocating
internal network addresses and you need to configure NAT?

Yours, Lior.

On 23/09/14 08:45, Bill Dossett wrote:
> In the absence of any comment and continued testing I have found that I
> can ping the host network IP that the VM is running on… and the host can
> ping the VM.  So it would appear that nothing is wrong with the VM… I
> could only ping the host from the VM once I stopped iptables, so the
> firewall was stopping that.  But I still can’t ping outside of the host
> or ping the VM from elsewhere… and the VM continues to get an IP address
> from the DHCP server without issue.  I have gone back to my networks and
> checked them thoroughly and can’t see any issues, I have migrated the VM
> from one host to another and the condition persists in that it can ping
> the host that it is running on and the host can ping it (providing  I
> turn off the firewall)  numerous reboots etc and no change.  L
> 
>  
> 
> *From:*users-bounces at ovirt.org [mailto:users-bounces at ovirt.org] *On
> Behalf Of *Bill Dossett
> *Sent:* 22 September 2014 16:07
> *To:* users at ovirt.org
> *Subject:* [ovirt-users] question on VM
> 
>  
> 
> Hi,
> 
>  
> 
> I am creating my first ovirt VM from a windows 2008 R2 iso.
> 
>  
> 
> After setting it all up, loading the drivers etc it looks fine, but it
> seems like it has no network connectivity.  This is odd as it is
> obtaining a DHCP address and it looks like it can browse for other
> windows systems on the network.  But I can’t ping it, it can’t ping out
> and I can’t remote desktop into it.  Normally this sounds like a
> firewall problem, but I disabled that immediately.  It is using the
> virtio driver.  It is connected to the default network ovirtmgmt which
> has a dhcp server on it.  Ovirt-engine says the interface is up and
> connected and windows thinks it is connected to an unknown network with
> out internet access.  I can’t ping the default gateway from the VM
> console.  Seems silly, but I’ve kind of run out of things to try on this
> now.  I am using VLAN tagging on the ovirt-engine network side of things
> and it is plugged into a trunked port…  but I wouldn’t think that has
> anything to do  with the VM itself as I am not doing anything with VLANs
> on the VM itself, it is just connected to it.  All the host
> network/interfaces are pingable in the cluster as well.
> 
>  
> 
> Thanks if anyone has any ideas what I might be looking for.
> 
>  
> 
> *Bill Dossett*
> 
> *Virtualisation Architect*
> 
> *Pitney Bowes – Tech Central*
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> 
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