[Openstack] Instance can't reach dhcp or metadata

Dan Wendlandt dan at nicira.com
Wed Apr 11 17:30:59 UTC 2012


On Tue, Apr 10, 2012 at 1:15 PM, Nicolas de BONFILS <ndebonfils at gmail.com>wrote:

> Hi,
>
> I can't get the ssh connection,VNC doesn't respond and 10.0.0.1 go to
> localhost (ssh to server itself)
>

are you connecting to VNC over localhost and it doesn't respond?  Do you
see your VM running when you run "ps"?  If so, are you using the vnc IP and
port shown there?

Dan



>
> ---
> Nicolas
>
>
>
> On Tue, Apr 10, 2012 at 21:42, Dan Wendlandt <dan at nicira.com> wrote:
>
>>
>>
>> On Tue, Apr 10, 2012 at 11:54 AM, Nicolas de BONFILS <
>> ndebonfils at gmail.com> wrote:
>>
>>> Things starting to work !
>>>
>>> When I boot boot cirros image with ip 10.0.0.1, I can ssh (even if it
>>> doesn't accept my password), but when I lauch tty-uec image (or other) with
>>> ip starting at 10.0.0.2, ssh tell "no route to host"
>>>
>>
>> If it works on one image, but not another, this is probably an issue with
>> the image itself.  The "no route to host" error is likely because the
>> gateway interface 10.0.0.1 is arping for 10.0.0.2 and not getting a
>> response.  Perhaps the image is not configured to use DCHP on the
>> interface?  Or is not correctly launching?  I'd use VNC to login and check
>> it out.
>>
>> Dan
>>
>>
>>> I sum up the actual conf
>>>
>>>    - br-int as bridge in OVS, no other conf (nothing in interfaces
>>>    file), ifconfig show a 10.0.0.1 ip
>>>    - nova conf got public_interface=br-int / flat_network_bridge=br-int
>>>    / flat_interface=eth0
>>>    - quantum manage the assignation successfully
>>>
>>> Thanks
>>>
>>> ---
>>> Nicolas
>>>
>>> _______________________________________________
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>>>
>>
>>
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Dan Wendlandt
>> Nicira, Inc: www.nicira.com
>> twitter: danwendlandt
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>>
>


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dan Wendlandt
Nicira, Inc: www.nicira.com
twitter: danwendlandt
~~~~~~~~~~~~~~~~~~~~~~~~~~~
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