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From Marcus Sorensen <>
Subject Re: CentOS 6.5 | KVM | Cloudstack 4.2
Date Fri, 24 Jan 2014 20:23:03 GMT

eth0 -> cloudbr0 ? And that's the management interface? If so, where is the
ip for the server? I don't see any ip on cloudbr0, that might be why you
have no access.

On Fri, Jan 24, 2014 at 12:38 PM, Maurice Lawler <>wrote:

>  Marcus,
> So I have gone through the docs and set it up as discussed. I am now
> unable to gain access to the server:
> The screen shot I have here:
> That shows you cloud0 which was setup automatically, cloudbr0 and cloudbr1
> which I setup both, of course both without IP address, as it states to do
> in the docs. Along with that, I have eth0 setup as bridge, eth0.100 -
> eth0.300 setup according to the docs. The eth0.100 has the public facing IP
> address, however, my connection times out; I saw other examples where the
> public IP address was attached to cloudbr0, can you please tell me what I
> am missing?
> - Maurice
> On 1/24/14, 12:04 AM, Marcus Sorensen wrote:
> I've always setup cloudbr0 (pub/mgt/guest br) per the documented examples,
>  and never cloud0 (link local bridge). You can look at the devcloud-kvm doc
> for an example of an all-in-one. The traffic labels reference bridges, so
> you have to have a bridge to enter as a traffic label in the first place.
> If you don't provide traffic labels, it by default looks for cloudbr0 for
> public and cloudbr1 for guest and private.
> Looking through the code, it looks as though if you stick with an
> 'untagged' public network (enter no vlan id in your public range), then
> you're required to create the bridge yourself, matcing the traffic label
> you enter. If you enter a vlan id, then it will create the public bridge
> for you, but you still have to identify where you want the bridge to be
> created via traffic label. e.g. say you have only cloudbr0, which is your
> mgmt bridge, and you want vlan 460 on that same eth device to be public
> traffic. You'd enter 460 as the vlan id when entering the public traffic
> range, and set the traffic label to 'cloudbr0', to identify where the vlan
> 460 bridge should be created. it then looks up the physical interface that
> cloudbr0 is bridged to (eth0), creates a tagged interface (eth0.460), and a
> bridge (breth0-460).
> For private traffic (mgmt), it expects you to have already created the
> bridge. I believe this is most likely because they expect this to be how
> you're reaching the server in the first place (via ssh on mgmt net). Guest
> networks are always dynamically created.
> On Jan 23, 2014 9:11 PM, "Maurice Lawler" <> <>
>  Hello,
> I am setting up KVM / Cloudstack all under one server. I have done this
> countless of other times, however, this time on a new server I have noticed
> it did not provision cloudbr0 / cloud0 as it has done in the past.
> I saw a few tutorials where it says to setup VLANS ifcfg-eth0.100-300
> which I understand. However, right now I am not sure if this is the normal
> for 4.2 to not have those two previously mentioned interfaces already setup
> when you issue the command setup-management / setup-databases as it has
> done before.
> Can someone explain this to me?
> - Maurice

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