[CentOS] Virtualization Networking

Fri Sep 30 12:50:04 UTC 2016
Richard <lists-centos at listmail.innovate.net>

> Date: Friday, September 30, 2016 07:14:59 -0400
> From: TE Dukes <tdukes at palmettoshopper.com>

>> From:  Gordon Messmer
>> Sent: Friday, September 30, 2016 1:01 AM
>> On 09/29/2016 07:54 PM, TE Dukes wrote:
>> > For whatever reason, the default NAT setup no longer works.
>> Start over with a new install.  Record each change you make,
>> carefully.
>> > I got some kind
>> > of bridge network (mactap) setup that has access to the outside
>> > but I still can't connect locally.
>> As I noted, when using the macvtap, the host and guest can't
>> communicate unless you enable hairpin mode.
> I read something about turning off and disabling NetworkManager. I
> haven't done this.
> I'm getting ready to throw in the towel. If I can't set this up to
> at least access the VM from the LAN, I can't test CentOS 7 and the
> software I want to run. It makes it very hard to setup and
> configure with vi.

I found this guide from Dell to be easy to follow in getting things
set up quickly. Once you have it working you can tweak things, but
this might help you get past your initial hurdles.

KVM Virtualization in RHEL 6 Made Easy