Open Stack

Everybody thanks a lot.

From: sylecn [mailto:sylecn at gmail.com]
Sent: Wednesday, March 05, 2014 1:42 PM
To: Gnan Kumar, Yalla
Cc: <openstack at lists.openstack.org>
Subject: Re: [Openstack] unable to ping google.com

Hi,

Have you tried directly ping 74.125.236.206 or 8.8.8.8?
Have you enabled icmp in security groups?
What kind of network topology are you using?



YY Inc. is hiring openstack and python developers. Interested? Check http://www.nsbeta.info/jobs

--
Thanks,
Yuanle

On Wed, Mar 5, 2014 at 3:12 PM, <yalla.gnan.kumar at accenture.com<mailto:yalla.gnan.kumar at accenture.com>> wrote:
Hi All,

Any idea where the problem is ?


From: Gnan Kumar, Yalla
Sent: Wednesday, March 05, 2014 11:43 AM
To: 'Drew Weaver'; 'damon.devops at gmail.com<mailto:damon.devops at gmail.com>'
Cc: 'openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>'
Subject: RE: [Openstack] unable to ping google.com<http://google.com>

So, where could the problem be ?



From: Drew Weaver [mailto:drew.weaver at thenap.com]
Sent: Tuesday, March 04, 2014 8:10 PM
To: Gnan Kumar, Yalla; 'damon.devops at gmail.com<mailto:damon.devops at gmail.com>'
Cc: 'openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>'
Subject: RE: [Openstack] unable to ping google.com<http://google.com>

DNS is clearly resolving but it looks like the machine is unable to reach 74.125.236.206 or the replies are being filtered.

-Drew


From: yalla.gnan.kumar at accenture.com<mailto:yalla.gnan.kumar at accenture.com> [mailto:yalla.gnan.kumar at accenture.com]
Sent: Tuesday, March 04, 2014 9:08 AM
To: damon.devops at gmail.com<mailto:damon.devops at gmail.com>
Cc: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: Re: [Openstack] unable to ping google.com<http://google.com>

When I change the nameserver to my internal network server, ping is showing  a single line with IP. But following it, no other output.

--------------
$ ping google.com<http://google.com>
PING google.com<http://google.com> (74.125.236.206): 56 data bytes


From: Damon Wang [mailto:damon.devops at gmail.com]
Sent: Tuesday, March 04, 2014 7:32 PM
To: Gnan Kumar, Yalla
Cc: Sushma Korati; openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: Re: [Openstack] unable to ping google.com<http://google.com>

Hi Kumar,
I think you need set nameserver to 8.8.8.8 or 8.8.4.4 or other valid DNS at /etc/resolv.conf, besides you need to reset nameserver at your OpenStack's internal network or other places.
8.8.8.7 is a typo, right?
Damon

2014-03-04 21:52 GMT+08:00 <yalla.gnan.kumar at accenture.com<mailto:yalla.gnan.kumar at accenture.com>>:
Ping is not working with these nameservers.

-------------
$ nslookup google.com<http://google.com>
Server:    8.8.8.7
Address 1: 8.8.8.7

nslookup: can't resolve 'google.com<http://google.com>'
-----------------

From: Damon Wang [mailto:damon.devops at gmail.com<mailto:damon.devops at gmail.com>]
Sent: Tuesday, March 04, 2014 7:21 PM
To: Sushma Korati
Cc: Gnan Kumar, Yalla; openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: Re: [Openstack] unable to ping google.com<http://google.com>

Hi Kumar,
Please check the vm's /etc/resolv.conf and try to ping 8.8.8.8.
Hope it helps.
Damon

2014-03-04 21:34 GMT+08:00 Sushma Korati <sushma_korati at persistent.co.in<mailto:sushma_korati at persistent.co.in>>:

Hi,



Can you please check if the nameservers provided while creating subnet are correct?

Regards,
Sushma Korati

________________________________
From: yalla.gnan.kumar at accenture.com<mailto:yalla.gnan.kumar at accenture.com> <yalla.gnan.kumar at accenture.com<mailto:yalla.gnan.kumar at accenture.com>>
Sent: Tuesday, March 4, 2014 6:48 PM
To: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: [Openstack] unable to ping google.com<http://google.com>

Hi All,


I have installed openstack Havana on three nodes.
I am able to boot a cirrOS   image. When I log into the VM, I am unable to ping outside network.
-------------
$ ping google.com<http://google.com>
ping: bad address 'google.com<http://google.com>'
$
---------------------

What could be the reason ?


Thanks
Kumar

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