[openstack-qa] default route (bridge) issue on fedora 21
Rafael Folco
rfolco at linux.vnet.ibm.com
Wed Apr 1 13:06:40 UTC 2015
I am convinced that isn't a good idea to enable NetworkManager.
Confirmed that NetworkManager was adding default route for dhcp
interfaces. It was replaced by legacy network service and it works now.
Thanks.
On Tue, 2015-03-31 at 20:22 -0700, Naggappan Rm wrote:
> Hi Rafael,
>
>
> Generally in ubunut and centos I stop the network manager and
> configure static IP address manually in the network configuration
> files.
>
>
> And disabling network manager is recommended
>
>
> Thanks,
> Naggappan RM
>
> On Tue, Mar 31, 2015 at 7:45 PM, Rafael Folco
> <rfolco at linux.vnet.ibm.com> wrote:
> I am running devstack-gate:
> http://paste.openstack.org/show/197749/
> It's a default install for Fedora 21 (ppc64), precached with
> prepare_node.sh script.
> Looks like NetworkManager keeps adding routes for dhcp
> interfaces like:
> default via 9.114.112.254 dev eth0 proto static metric 1024
>
> I do not make any changes to the network, it's basically the
> same code I
> had for f20 images.
>
> I am trying to replace NetworkManager with legacy network to
> see if the
> issue disappears.
>
> If any other suggestions, please let me know.
>
> Thanks.
>
> --rfolco
>
> On Tue, 2015-03-31 at 15:58 -0700, Naggappan Rm wrote:
> > Hi Rafael Folco,
> >
> >
> > Tempest doesn't create an bride and start the test.
> Everything should
> > be done manually before starting the tempst.
> > May I know which particular test case you execute or please
> share the
> > command how you execute the tempest
> >
> >
> > Or I guess you are trying to use devstack-gate which sets up
> the VM
> > and then runs the tempest. Please give more details how you
> run this
> > tempest
> >
> >
> >
> >
> >
> > On Tue, Mar 31, 2015 at 12:04 PM, Rafael Folco
> > <rfolco at linux.vnet.ibm.com> wrote:
> > Hello,
> >
> > I am struggling with a route issue on Fedora 21
> while running
> > devstack-gate so I am looking for any insights on
> what could
> > be the root
> > cause.
> >
> > Problem: Network connectivity to the VM is lost as
> soon as
> > Tempest
> > starts creating the bridge br100 and redefines the
> default
> > route.
> >
> > Looks like default route is not set correctly for
> f21. Tried
> > several
> > configs to ifcfg-* scripts with no result. The
> default route
> > keeps being
> > set for dev eth0 instead of dev br100 (like in f20
> when it
> > worked).
> >
> > So if I m in the right direction, the question is:
> > Why default route is set to dev eth0 and not to
> br100 like in
> > f20 ?
> >
> > F21 ==> default 9.114.112.254 0.0.0.0 UG 1024 0 0
> eth0
> > f21: http://fpaste.org/197321/26190258/
> >
> > F20 ==> default 9-114-112-254ga 0.0.0.0 UG 1024 0 0
> br100
> > f20: http://fpaste.org/197320/26190209/
> >
> > This is the set of commands nova-network runs for
> the bridge
> > setup:
> > http://paste.fedoraproject.org/202436/47826142/
> >
> > I'd appreciate any suggestions on what I could try.
> >
> > Thanks,
> >
> > --rfolco
> >
> >
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