[Openstack-operators] nova networking woes

Derek Higgins derekh at redhat.com
Tue Sep 18 15:09:54 UTC 2012

On 09/18/2012 03:57 PM, yocum at redhat.com wrote:> Hi Derek,
> Moments after I hit "send" I figured it out.  This is a bug in libvirt
> and has been addressed in Fedora and libvirt, but not in RHELv6.3, yet.
> When the libvirt "default" network is started it can mess up the routing
> table on the system.  Removing the virbr0 bridge device and removing the
> default.xml file from /var/lib/libvirt/network and
> /etc/libvirt/qemu/network/autostart resolves the issue and I can ping
> and ssh into all the VMs, now.
Ok, I havn't had todo that but maybe we have a different configuration

> Also, recall that the VMs don't actually get a public, floating IP when
> they are assigned one - only iptable rules are constructed to forward
> public traffic from the public NIC to the internal VM private IP, so I
> wouldn't actually see the public IP on any of the VMs.

Yup, when I said check if they were getting the ip address you expect I
meant the ip's on the private network.

anyways, glad you got it sorted,

More information about the OpenStack-operators mailing list