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From Chiradeep Vittal <Chiradeep.Vit...@citrix.com>
Subject Re: Guest network without virtual router
Date Tue, 12 Mar 2013 05:24:57 GMT
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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