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How does the VM's connect outside if the external network is down? Sorry, 
I am not so good in networking, it may be stupid question. 

Can you share your localrc file? 

Regards,
Batsayan Das
Tata Consultancy Services
Mailto: batsayan.das at tcs.com
Website: http://www.tcs.com
____________________________________________
Experience certainty.   IT Services
                        Business Solutions
                        Consulting
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From:
Cristian Falcas <cristi.falcas at gmail.com>
To:
Batsayan Das <batsayan.das at tcs.com>
Cc:
openstack at lists.openstack.org
Date:
08/06/2013 01:14 PM
Subject:
Re: [Openstack] Network setup with floating IP



external gateway is supposed to be down, I think: I have floating IP
working and the external network is down.

Cristi Falcas

On Tue, Aug 6, 2013 at 9:03 AM, Batsayan Das <batsayan.das at tcs.com> wrote:
>
> Hello,
>
> I am trying to deploy devstack in Dell R910 with Ubuntu 12.04 as host 
OS. I
> installed devstack in the scripted manner as mentioned in
> 
http://docs.openstack.org/trunk/openstack-compute/install/apt/content/scripted-dev-installation.html

>
>
> My intention is to create CentOS VMs with following property.
> 1. VMs should be able to ping each other
> 2. VMs are accessible by ssh from any host in 10.135.0.XX network
> 3. VMs should be connected to open internet.
>
> To do this I am following the All-In-One: Dedicated Hardware method
> mentioned in http://devstack.org/guides/single-machine.html
>
> My localrc contains the following
> condor at r910:~/devstack$ cat localrc
> disable_service n-net
> enable_service q-svc
> enable_service q-agt
> enable_service q-dhcp
> enable_service q-l3
> enable_service q-meta
> enable_service quantum
> # Optional, to enable tempest configuration as part of devstack
> enable_service tempest
> DATABASE_PASSWORD=condor
> RABBIT_PASSWORD=condor
> SERVICE_TOKEN=condor
> SERVICE_PASSWORD=condor
> ADMIN_PASSWORD=condor
>
> HOST_IP=192.168.161.138
> FLOATING_RANGE=192.168.161.224/28
> FLAT_INTERFACE=eth0
>
> Route information of the host
> condor at r910:~/devstack$ route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 0.0.0.0         10.135.0.5      0.0.0.0         UG    100    0        0 
eth1
> 10.0.0.0        192.168.161.225 255.255.255.0   UG    0      0        0 
eth0
> 10.135.0.0      0.0.0.0         255.255.255.192 U     0      0        0 
eth1
> 169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 
eth0
> 172.24.4.224    0.0.0.0         255.255.255.240 U     0      0        0
> br-ex
> 192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0
> virbr0
> 192.168.161.0   0.0.0.0         255.255.255.0   U     0      0        0 
eth0
>
> Devstack External Gateway interface of the router is in DOWN state. Pls
> fined the attached screen shot.
>
> How can I make it ACTIVE state? What is the wrong I am making?
>
> Thanks for any help.
>
> Regards,
>
> Batsayan Das
> Tata Consultancy Services
> Mailto: batsayan.das at tcs.com
> Website: http://www.tcs.com
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>                        Business Solutions
>                        Consulting
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