[openstack-dev] [DevStack] neutron config not working

Rob Crittenden rcritten at redhat.com
Thu Jun 26 20:50:31 UTC 2014

Mark Kirkwood wrote:
> On 25/06/14 10:59, Rob Crittenden wrote:
>> Before I get punted onto the operators list, I post this here because
>> this is the default config and I'd expect the defaults to just work.
>> Running devstack inside a VM with a single NIC configured and this in
>> localrc:
>> disable_service n-net
>> enable_service q-svc
>> enable_service q-agt
>> enable_service q-dhcp
>> enable_service q-l3
>> enable_service q-meta
>> enable_service neutron
>> Results in a successful install but no DHCP address assigned to hosts I
>> launch and other oddities like no CIDR in nova net-list output.
>> Is this still the default way to set things up for single node? It is
>> according to https://wiki.openstack.org/wiki/NeutronDevstack
> That does look ok: I have an essentially equivalent local.conf:
> ...
> ENABLED_SERVICES+=,q-svc,q-agt,q-dhcp,q-l3,q-meta,q-metering,tempest
> I don't have 'neutron' specifically enabled... not sure if/why that
> might make any difference tho. However instance launching and ip address
> assignment seem to work ok.
> However I *have* seen the issue of instances not getting ip addresses in
> single host setups, and it is often due to use of virt io with bridges
> (with is the default I think). Try:
> nova.conf:
> ...
> libvirt_use_virtio_for_bridges=False

Thanks for the suggestion. At least in master this was replaced by a new
section, libvirt, but even setting it to False didn't do the trick for
me. I see the same behavior.



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