[Openstack] Instance can't reach dhcp or metadata

Dan Wendlandt dan at nicira.com
Wed Apr 11 17:36:47 UTC 2012


On Wed, Apr 11, 2012 at 5:24 AM, Vaze, Mandar <Mandar.Vaze at nttdata.com>wrote:

>  I have *never* been able to get to ssh to an instance with
> Quantum+mélange****
>
> https://lists.launchpad.net/openstack/msg09206.html
>

Looking at that thread, I suspect you may be hitting the same issue I
mentioned above: https://bugs.launchpad.net/quantum/+bug/949234

If you try that fix and either do or don't have luck with it, please add a
comment to the issue.

Dan



> ****
>
> ** **
>
> -Mandar****
>
> ** **
>
> *From:* openstack-bounces+mandar.vaze=nttdata.com at lists.launchpad.net[mailto:
> openstack-bounces+mandar.vaze=nttdata.com at lists.launchpad.net] *On Behalf
> Of *Nicolas de BONFILS
> *Sent:* Wednesday, April 11, 2012 1:45 AM
> *To:* Dan Wendlandt
> *Cc:* openstack at lists.launchpad.net
> *Subject:* Re: [Openstack] Instance can't reach dhcp or metadata****
>
> ** **
>
> Hi,
>
> I can't get the ssh connection,VNC doesn't respond and 10.0.0.1 go to
> localhost (ssh to server itself)
> ****
>
> ** **
>
> ---****
>
> 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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> More help   : https://help.launchpad.net/ListHelp****
>
>
>
> ****
>
> ** **
>
> -- ****
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt ****
>
> Nicira, Inc: www.nicira.com****
>
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~****
>
> ** **
>
> ** **
>
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-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dan Wendlandt
Nicira, Inc: www.nicira.com
twitter: danwendlandt
~~~~~~~~~~~~~~~~~~~~~~~~~~~
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