VM instance can not access internet (external network), but can ping hosting server.

asked 2014-07-08 19:39:03 -0600

flyingoncloud gravatar image

updated 2014-07-08 19:41:03 -0600

I installed Openstack (IceHouse) on CentOS 6.5 in one server (only one NIC eth0, having connecting to internet).

Then, I created two virtual network (public:, private:

I can ssh login the VM instance from hosting server. And also can ping hosting server from VM instance. But I can not ping outside network.

Example,, Always, I get the error message like

PING ( 56(84) bytes of data. From icmp_seq=1 Destination Host Prohibited

Attached all the informations.

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Can you run from within VM :
$curl msn.com

dbaxps gravatar imagedbaxps ( 2014-07-09 00:19:01 -0600 )edit

which network services you are using, router must have default GW which can get you to the public network..

Bhupender Kumar gravatar imageBhupender Kumar ( 2014-07-09 00:38:31 -0600 )edit

what does this mean "router must have default GW which can get you to the public network"?

flyingoncloud gravatar imageflyingoncloud ( 2014-07-09 23:54:06 -0600 )edit

My problem is that I can not ping curl .

Actually, I followed the http://goo.gl/Yvmd0P . But I can not get the real internet accessed even I can ping hosting server (where openstack is running) within VM.

flyingoncloud gravatar imageflyingoncloud ( 2014-07-09 23:58:51 -0600 )edit