[CentOS-virt] Finally switching from Xen to KVM - question about networking

Wed Jun 11 00:17:29 UTC 2014
Nico Kadel-Garcia <nkadel at gmail.com>

On Tue, Jun 10, 2014 at 10:03 AM, Steve Campbell <campbell at cnpapers.com> wrote:
> I had so much trouble putting Centos 6 guest VMs on a Centos 5 host that
> I finally switched to a Centos 6 host.
> I've not needed more that test VMs, so I've used Virtual Machine Manager
> on the old system, which worked pretty well, so I decided to create my
> first KVM guest machine. I noticed when I created it, I only had the
> options of NAT for my network interface, so I used that (obvious).
> Well, after starting the VM, I find I don't have connectivity with that
> interface. Reading, I find examples where I need to create bridges
> perhaps. Xen did most of this for me, so it's a little new to me.
> Can anyone throw me a clue, please?
> steve campbell
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For full-blown pair-bonding, trunked VLAN's, and KVM bridges, you want
my old notes at

Just dial back on any features you don't need in your environment. And
rip all NetworkManager based components kicking and screaming the !@#$
out of any KVM server, it is *NOT* your friend.

      sudo yum remove *NetworkManager*