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From Wei Leong <wle...@blackducksoftware.com>
Subject Re: Guest network without virtual router
Date Tue, 12 Mar 2013 11:48:02 GMT
Nope, basic networking the second time too.

On Mar 12, 2013, at 1:25 AM, "Chiradeep Vittal" <Chiradeep.Vittal@citrix.com> wrote:

> Is the second go-around using advanced networking?
> 
> On 3/10/13 1:54 PM, "Wei Leong" <wleong@blackducksoftware.com> wrote:
> 
>> It seems I am having a lot of trouble setting up even the simplest of
>> cloudstack networking configurations.
>> 
>> A quick background on my setup:
>> 
>> The kvm host is part of a network of machines that gets their IPs from
>> the router. I intend to set up cloudstack to extend our development
>> infrastructure, VMs in the cloud will function just like physical
>> machines on the network and depend on the router for dhcp and dns. My
>> intention is to have cloudstack manage the provisioning of VMs and
>> provide analysis of the cloud resources (memory, storage etc). Pretty
>> straightforward stuff here.
>> 
>> My initial setup actually worked out ok - I created a zone with basic
>> networking (DefaultSharedNetworkOfferingWithSGService) and guest VMs were
>> assigned IPs according to the range I specified. The VMs had access to
>> the internet and were able to connect to other machines on the network,
>> but DNS did not work. My sys admin was also curious about whether the
>> virtual router was leasing out IPs to physical machines on the network,
>> could this happen? Is is better for hosts to have static IP addresses?
>> 
>> I then scratched the initial setup and created a new network offering
>> without DHCP, and used that instead. For this configuration, no virtual
>> router came up, VMs seem to be getting IPs from the external router, but
>> none of them can connect to physical machines on the network/the internet.
>> 
>> I feel like i'm close to getting the right configuration, and might just
>> be missing a small detail. I'm not ready to give up yet, even though I'm
>> out of ideas at this point. Any suggestions/help is much appreciated.
>> Thanks for reading!
>> 
>> Wei
>> 
>> 
>> On Mar 7, 2013, at 6:22 PM, Bryan Whitehead
>> <driver@megahappy.net<mailto:driver@megahappy.net>> wrote:
>> 
>> Create a new network offering without DHCP. After you do that create a new
>> guest network using that network offering / vlan.
>> 
>> 
>> On Thu, Mar 7, 2013 at 8:58 AM, Wei Leong
>> <wleong@blackducksoftware.com<mailto:wleong@blackducksoftware.com>>wrote:
>> 
>> Is there an easy way from the UI to create a network without using the
>> virtual router? I'm running configured cloudstack with basic networking
>> and
>> the cloudstack server sits in our network that already has a dhcp/server
>> setup. I would like my guest VMs to just that instead of the virtual
>> router.
>> 
>> According to this blog it is possible but only through the API, is there
>> an alternative?
>> 
>> http://blog.remibergsma.com/2012/03/10/howto-create-a-network-in-cloudstac
>> k-without-a-virtual-router/
> 

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