I have installed openstack on centos with neutron. The openstack is installed on single virtual machine using vmware.

First i have created external network using following command

quantum net-create public --router:external=True

Then i added my external network subnet (ip pool not used in external network)

Then i created router

Then i set my router gateway to external network

I created security group to allow ssh and icmp.

On second step i created private network with dhcp enabled

Then created router interface and attach it to my private network

On third step i launched the instance with private network

On fourth step i generated floating ip of external network and associates it to instance

Problem Statement:

Virtual machines are getting IP's (private network) from dhcp and communicating with each other but there is No internet on VM's

VM's cannot ping any external network device.

Update: For @darragh-oreilly I am using Centos 6.4. Ip route shows

192.168.186.0/24 dev eth1 proto kernel scope link src 192.168.186.166 metric 1

192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1

10.16.48.0/22 dev br-ex proto kernel scope link src 10.16.51.208

169.254.0.0/16 dev eth0 scope link metric 1002

169.254.0.0/16 dev br-ex scope link metric 1017

default via 10.16.48.1 dev br-ex

Where 10.16.48.0/22 is my external network on eth0 (for internet)

10.16.186.0/24 is my anoother interface on eth1

For @marcelodieder ----+-------+----------------+

| id | agent_type | host | alive | admin_state_up |

+--------------------------------------+--------------------+-----------------------+-------+----------------+

| 4c709a4c-bf0c-4e03-a0f5-2d938fee7ae1 | L3 agent | localhost.localdomain | :-) | True |

| 960a7806-dc4d-4ab1-99b0-a79dbc31600f | Open vSwitch agent | localhost.localdomain | :-) | True |

| d9f545e2-4a6c-43f4-8037-b807cbe27fc5 | DHCP agent | localhost.localdomain | :-) | True |

+--------------------------------------+--------------------+-----------------------+-------+----------------+