<div dir="ltr"><div>On my net/compute node I have two interfaces; one is for the management network, and the other is for VM internet access. This is already added to br-ex as per a normal set up. I don't have this on the dedicated compute node because it shouldn't have direct access to the internet. And I can't execute ip netns exec qrouter-4cff1882-1962-4084-9b48-cb1bcd048a4e ping $IP on the compute node because that name space doesn't exist there, only on the network node.<br>
<br></div>I went back and restarted the dhcp service just as a precaution, and found it hadn't been running correctly. Not sure if that affected anything. I also ran ifconfig on the compute node after alunching a VM and it showed the qbr qbo and qbv interfaces, as well as the tap interface.<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Sep 26, 2013 at 10:26 AM, Cristian Falcas <span dir="ltr"><<a href="mailto:cristi.falcas@gmail.com" target="_blank">cristi.falcas@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On br-ex you need to add an interface that has no ip but it's up:<br>
ovs-vsctl add-port br-ex eth1<br>
ifconfig eth1 up<br>
<br>
the instance is not connected to the router namespace<br>
<br>
Check in /var/lib/nova/instances/$instance_id/libvirt.xml for source<br>
bridge and target dev<br>
<br>
try ip netns exec qrouter-4cff1882-1962-4084-9b48-cb1bcd048a4e ping $IP<br>
<br>
also, do the same from the dhcp namespace<br>
<br>
<br>
<br>
<br>
On Thu, Sep 26, 2013 at 5:17 PM, Brandon Adams<br>
<div class="HOEnZb"><div class="h5"><<a href="mailto:brandon.adams@newwave-technologies.com">brandon.adams@newwave-technologies.com</a>> wrote:<br>
> Cristian,<br>
> Thanks for responding so quickly. The instances should be attached to the<br>
> internal network interface, which I can find on the network/compute node.<br>
> It's under the namespace of the router for the project:<br>
> ip netns exec qrouter-4cff1882-1962-4084-9b48-cb1bcd048a4e ifconfig shows<br>
> two interfaces, one for the internal network and one for the external<br>
> network.<br>
><br>
> The problem I think is that this router isn't reachable from my extra<br>
> compute node. When I create the router, its namespace does not appear on the<br>
> extra node.<br>
><br>
> And I am using dhcp, the quantum-dhcp-agent is installed on the<br>
> network/compute node.<br>
><br>
> Brandon<br>
><br>
><br>
> On Thu, Sep 26, 2013 at 9:57 AM, Cristian Falcas <<a href="mailto:cristi.falcas@gmail.com">cristi.falcas@gmail.com</a>><br>
> wrote:<br>
>><br>
>> layer 3 is created only on the network node. On compute nodes you have<br>
>> layer 2 only (openvswitch)<br>
>><br>
>> The gre tunnels should take care of everything magically :).<br>
>><br>
>> Where are the instances attached (that should be tap$id and source<br>
>> qbr$id)? Do you use dhcp?<br>
>><br>
>><br>
>> On Thu, Sep 26, 2013 at 4:40 PM, Brandon Adams<br>
>> <<a href="mailto:brandon.adams@newwave-technologies.com">brandon.adams@newwave-technologies.com</a>> wrote:<br>
>> > Hi all,<br>
>> ><br>
>> > I'm trying to add a second compute node my dev cluster, I've already got<br>
>> > one<br>
>> > controller node and one network/compute node running perfectly. I've<br>
>> > installed all of the necessary packages and everything seems to be<br>
>> > running<br>
>> > smoothly. However, when I create a private network and subnet, they<br>
>> > don't<br>
>> > seem to be applied to the extra node. That is, I can see the extra<br>
>> > interfaces when I run ovs-vsctl show on the network/compute node, but<br>
>> > not on<br>
>> > the dedicated compute node. There are GRE tunnels which I assume connect<br>
>> > the<br>
>> > two nodes across the management network, and instances boot up on the<br>
>> > new<br>
>> > node. They just can't find the internal network and thus can't be<br>
>> > reached at<br>
>> > all. I'm running Grizzly on Ubuntu, using Quantum OpenVSwitch with GRE<br>
>> > tunnels. I've already fixed an error regarding brcompatd running on both<br>
>> > nodes, so I'm wondering what my next step is. Thanks.<br>
>> ><br>
>> > Brandon<br>
>> ><br>
>> > _______________________________________________<br>
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>> ><br>
><br>
><br>
</div></div></blockquote></div><br></div>