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From Matt Foley <>
Subject Re: need to set up VLANs on KVM hosts for Basic Zone?
Date Tue, 28 May 2013 16:56:36 GMT
Sanjeev, thanks very much.  That's a relief :-)

I've filed a docs bug
since the second sentence of says "In the Basic networking mode you
should have two (V)LAN's, one for your private network and one for the
public network."

Best regards,

On Tue, May 28, 2013 at 2:18 AM, Sanjeev Neelarapu <> wrote:

> Hi Matt,
> Basic zone configuration does not require any vlan configuration and all
> the traffic in basic zone is untagged traffic. VLANs are used only in case
> of Advanced zone configuration.
> Thanks,
> Sanjeev
> -----Original Message-----
> From: [] On Behalf Of
> Matt Foley
> Sent: Tuesday, May 28, 2013 12:57 PM
> To:
> Subject: need to set up VLANs on KVM hosts for Basic Zone?
> Hi,
> I am trying to deploy CloudStack 4.0.2 on a small cluster, using CentOS
> 6.3, the KVM hypervisor, and a Basic Zone configuration.
> I do not have previous experience administering VMWare or XenServer, just
> end-user experience with AWS.  I have read the Quick Install Guide, the
> Installation Guide, and most of the Admin Guide.
> I brought the Management Server up, with the help of the Tutorial "setup
> checklist" and the Installation Guide.  Now I'm working on the Host
> installs.  However, I am confused by section 8.1.7 of the *Installation
> Guide<
> >
> *, "Configure the Network Bridges" (for KVM Hypervisor Host Installation).
> Section 8.1.7 and (for CentOS) state that ALL installations must
> create three VLANs on each KVM host server.  But this isn't mentioned in
> the Quick Install Guide nor the Admin Guide.  Nothing says how these VLANs
> are used by the services, or how to declare them to the Management Server.
>  Therefore it is hard to see how to adapt the instructions in to
> my environment.  Some other doc sections talk about VLANs, but only in the
> context of VMWare or XenServer, which we aren't using.  Furthermore, my IT
> colleague says these servers are already on a VLAN, and he's very concerned
> about CloudStack creating its own VLANs that may conflict or overlap.
> Is it truly necessary to set up these three VLANs for a Basic Zone
> configuration with KVM?  If so, can you point me at any more documentation
> about how the Virtual Routers use these VLANs in a Basic config?  And do
> you have any guidance for working with systems that already have their
> primary IP communications going through a VLAN?
> Thanks in advance for your help.
> --Matt

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