[Openstack-operators] VMs on different compute hosts are not able to communicate on openstack havana, with flatdhcp, multi-host nova-network setup with kvm on ubuntu 12.04

Erik McCormick emccormick at cirrusseven.com
Fri Dec 27 16:08:23 UTC 2013


Thanks for the link Harry! Good to know what the actual root cause was.

-Erik
 On Dec 27, 2013 4:25 AM, "Harish Kumar" <hk4cloud at gmail.com> wrote:

> It worked!! ... the problem is that vmware was not allowing to set the
> virtual ethernet adapter in promiscuous mode because of permission problem
> of the device files in host machine.
>
> Here is the Vmware KB which helped me.
>
>
> http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=287
>
> Thanks,
> Harish
>
>
>
>
> On Thu, Dec 26, 2013 at 10:22 PM, Harish Kumar <hk4cloud at gmail.com> wrote:
>
>> Okay Thank you very much Erik for your advice. I will do this setup in
>> physical hardware and see if it works :)
>>
>> Thanks,
>> Harish
>>
>>
>> On Thu, Dec 26, 2013 at 10:10 PM, Erik McCormick <
>> emccormick at cirrusseven.com> wrote:
>>
>>> I haven't tried a setup using nova network, but when I attempted a setup
>>> with Neutron in VMWare, I had the same arp issues. When I put everything on
>>> physical hosts except the control node, my issues went away. I don't know
>>> the exact cause of the issue, but it seems to have something to do with the
>>> VMWare virtual switch.
>>>
>>> -Erik
>>> On Dec 26, 2013 8:48 AM, "Harish Kumar" <hk4cloud at gmail.com> wrote:
>>>
>>>> Hello All,
>>>>
>>>> I am trying to setup openstack with zeromq, with flatdhcp multi-host
>>>> networking with nova-network, with kvm hypervisor on ubuntu 12.04.
>>>>
>>>> The problem we are facing is that the vms running on different compute
>>>> hosts are not able to communicate between them; at the same time, vms on
>>>> same host are able to communicate.
>>>>
>>>> I see when I ping from vm1 running on compute1 to vm2 running on
>>>> compute2, the arp request broadcast is reaching vm2 and is replying which
>>>> is reaching compute2 bridge interface (br100 and corresponding eth
>>>> interface), but the reply is not reaching to compute1 bridge interface.
>>>>
>>>> I am setting up the whole setup in vmware workstation environment.
>>>>
>>>>
>>>> Any help is greatly appreciated..... :)
>>>>
>>>> Thanks,
>>>> Harry
>>>>
>>>>
>>>> _______________________________________________
>>>> OpenStack-operators mailing list
>>>> OpenStack-operators at lists.openstack.org
>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>>>>
>>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20131227/3f427e63/attachment.html>


More information about the OpenStack-operators mailing list