Open Stack

It is pretty clear that the vm is not getting an ip address. DHCP is clearly failing. I'm guessing 10.0.9.7 is the ip address that nova has assigned to one of the hosts in your system, perhaps the compute host where the vm is running. You have to find out what is happening to the dhcp request from the vm using tcpdump. Somehow it the request isn't making it to dnsmasq or the response is not making it back.

Vish

On Jun 26, 2012, at 1:35 AM, Leander Bessa Beernaert wrote:

> I've tried again this morning: The ip adress assigned to the vm in the dashboard is 10.0.9.3, however the instances only responds to pings on the compute node where it was launched and with the ip address 10.0.9.7.
> 
> Here's the vm's log: http://paste.openstack.org/show/18796/ and the ip is assigned to br109 with the ip 10.0.9.7. 
> 
> I'm using a vlan configuration, the instances for this project are all launched on a network assigned to vlan109.
> 
> 
> On Mon, Jun 25, 2012 at 9:03 PM, Vishvananda Ishaya <vishvananda at gmail.com> wrote:
> 10.0.9.5 is probably the ip that nova assigned to your compute host for the bridge.
> 
> ip addr show should show it on br100
> 
> There is likely something else going on that is causing your instance to fail to network properly. I would check the console output of the vm first, make sure it is getting an ip address. If that looks good, check for security group rules, then start doing tcpdump to see where you are losing packets.
> 
> Vish
> 
> On Jun 25, 2012, at 9:08 AM, Leander Bessa Beernaert wrote:
> 
>> Hello, 
>> 
>> I've setup OpenStack with a multi-host configuration. Everything appears to be working fine. However, when i launch an instance, it get's assigned an ip (10.0.9.3) and when i ping that IP i get this output:
>> ping 10.0.9.3
>> PING 10.0.9.3 (10.0.9.3) 56(84) bytes of data.
>> >From 10.0.9.5 icmp_seq=1 Destination Host Unreachable
>> From 10.0.9.5 icmp_seq=2 Destination Host Unreachable
>> From 10.0.9.5 icmp_seq=3 Destination Host Unreachable
>> 
>> If i ping the adress 10.0.9.5 i get a response.
>> 
>>  ping 10.0.9.5
>> PING 10.0.9.5 (10.0.9.5) 56(84) bytes of data.
>> 64 bytes from 10.0.9.5: icmp_req=1 ttl=64 time=0.043 ms
>> 64 bytes from 10.0.9.5: icmp_req=2 ttl=64 time=0.035 ms
>> 64 bytes from 10.0.9.5: icmp_req=3 ttl=64 time=0.036 ms
>> 
>> Any idea what's happening here?
>> 
>> Regards,
>> Leander
>> 
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> 

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