[neutron][queens] dhcp issue

Ignazio Cassano ignaziocassano at gmail.com
Wed Dec 11 09:10:17 UTC 2019


Slawek,
I got same errors in /var/log/messages:

Dec 11 09:49:06 podto2-osctrl01 dnsmasq-dhcp[70093]: cannot send DHCP/BOOTP
option 121: no space left in packet

Il giorno mer 11 dic 2019 alle ore 09:19 Slawek Kaplonski <
skaplons at redhat.com> ha scritto:

> Hi,
>
> Can You maybe give us some more details? Like how exactly this network and
> subnets looks like (neutron net-show and neutron subnet-show), and please
> also check dnsmasq config files - those are located on node where DHCP
> agent is running. If You will do something like:
>
> ps aux | grep <network_id>
>
> You will find dnsmasq process for this network.
>
> > On 10 Dec 2019, at 16:52, Ignazio Cassano <ignaziocassano at gmail.com>
> wrote:
> >
> > Hello Everyone,
> > I have an openstack queens installation based on centos 7.
> > I created a shared vlan network and multiple subnet under it.
> > When I start an instance on one of the subnet network it gets the
> correct ip based on its subnet but the gateway seems random (one of the
> subnet of the vlan).
> >
> > Any suggestion, please ?
> >
> > Ignazio
> >
>
>> Slawek Kaplonski
> Senior software engineer
> Red Hat
>
>
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