[Openstack] Weird Network problem

Kiran Kumar kirankumarkuvvarapu at gmail.com
Thu May 29 14:18:16 UTC 2014


Hi Georgios,
HardReboot the VM..It will work.


On Thu, May 29, 2014 at 2:07 PM, Georgios Dimitrakakis <giorgis at acmac.uoc.gr
> wrote:

> Security groups have been defined succesfully and iptables are enabled.
>
> The problem is not reaching the VM. The problem is from the VM to the
> outside world.
>
> Is there a specific parameter that must be set in icehouse to have full
> nova legacy functionality??
>
> Best,
>
> G.
>
>
>
>
> On Wed, 28 May 2014 18:35:54 -0700, Remo Mattei wrote:
>
>> How about iptables rules or security groups ?
>>
>> Remo
>>
>> Inviato da IPad ()
>>
>> Il giorno May 28, 2014, alle ore 16:21, Georgios Dimitrakakis
>> <giorgis at acmac.uoc.gr> ha scritto:
>>
>>  On Wed, May 28, 2014 at 4:46 PM, Georgios Dimitrakakis  wrote:
>>>>
>>>>  Hi!
>>>>>
>>>>> I am performing a new installation of openstack-icehouse on a
>>>>> CentOS 6.5 machine (all-in-one).
>>>>>
>>>>> I have configured a FlatDHCP nova network and I can start
>>>>> succesfully a cirrOS instance.
>>>>> Moreover, I can ping it (10.0.0.2) and I can ssh to it without any
>>>>> problems.
>>>>>
>>>>> The problem is that although I can resolve a hosts name (eg.
>>>>> www.google.com [1]) from inside the instance I cannot ping it.
>>>>> It seems as if I cannot go outside my master host from inside that
>>>>> instance.
>>>>>
>>>>> The same thing happens if I provide a floating-ip to the instance.
>>>>> I can ping and ssh to the floating IP but if I ssh into the instance
>>>>> I cannot reach the "outside" world.
>>>>>
>>>>> Any ideas???
>>>>>
>>>>> Best,
>>>>>
>>>>> G.
>>>>>
>>>>> _______________________________________________
>>>>> Mailing list:
>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack [2]
>>>>> Post to     : openstack at lists.openstack.org [3]
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>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack [4]
>>>>>
>>>>
>>>>
>>>> ​Double check your settings for flat_interface and
>>>> public_interface.  Sounds like your bridge is not configured
>>>> correctly so youre never actually bridging to the public net.​  Is
>>>> this multiple nics or single?
>>>>
>>>
>>> Thanks for the tip.
>>>
>>> Indeed there are multiple nics!
>>>
>>> My flat interface is eth1 bridged with br100 (192.168.*.*) while my
>>> public interface is eth0
>>>
>>> Seems fine to me and the same as another configuration with
>>> openstack-havana which with the same settings is working properly.
>>>
>>>
>>> Best,
>>>
>>>
>>> G.
>>>
>>> _______________________________________________
>>> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/
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>>>
>>> !DSPAM:1,538672dd173262023019157!
>>>
>>>
> --
>
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