Hi Chris,

You wouldn't expect the systems vms (ssvm or cpvm) to connect to anything on 
the guest network.
The system VMs don't use any network that you create on the public side, they 
just get an IP on the public network and expect to be able to route directly 
via your next hop gateway.

If you told CloudStack that the public VLAN was 111, then you'd expect to see a 
bridge br0.111 created on the host(s) running the cpvm and ssvms.
In the public network section of the wizard, you set the range of IPs which the 
system VMs can use on the public interfaces and the gateway which is their next 
hop.





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-----Original Message-----
From: Chris Watts [mailto:ch...@theintertubes.ca]
Sent: Monday, March 14, 2016 6:49 PM
To: users@cloudstack.apache.org
Subject: Re: Advanced networking with VLANs under KVM

Hi Simon,

For the traffic labels, I assign then bridge.

Physical Bond Bridge


Eth1 -------> Bond0 -------> br0
/ Bond0.534 -> br0.534
Eth2 ---- /


eth1/2 are connected to trunk ports on my switch, bond0.534 is my management 
VLAN/IP so the KVM host gets bond0.534 for ssh/management/storage traffic.

When setting up the zone in CloudStack, assign the traffic label of "bond0.534" 
for management, then for both Public and Guest, the label "br0". Then I go 
create a shared guest network, provide the VLAN number and IP addressing scheme.

I can get to the point of the System VMs running, however, they are never able 
to talk to anything on the public or guest networks.


On Mon, Mar 14, 2016 at 1:44 PM, Simon Weller <swel...@ena.com> wrote:

> C hris,
>
> What do you define as the traffic labels when you configured the
> network within the Cloudstack zone wizard?
> Can you provide some more information on what you setup?
>
> - Si
> ________________________________________
> From: Chris Watts <ch...@theintertubes.ca>
> Sent: Monday, March 14, 2016 9:22 AM
> To: users@cloudstack.apache.org
> Subject: Advanced networking with VLANs under KVM
>
> Hi Everyone, I having a helluva time trying to understand how
> cloudstack wants todo networking. Specifically when it comes to adding
> your zones/physical networks.
>
> My KVM hosts have 2 physical nics, bonded together as bond0, and they
> are VLAN trunk ports with about 30 VLANs coming in I have bond0 as a
> member of a bridge, br0
>
> I assign public/guest/management traffic to the physical network,
> management has no label (native vlan) then guest/public get br0
>
> Adding guest/public networks using the vlan ID's but nothing seems to
> work when the system VM's try to spin up....so I'm assuming I'm
> probably not following how cloudstack wants to interface with the
> physical network..but I'm suck.
>
> I need my cloudstack VM's to sit directly on the VLANs so they can
> talk to my other physical hosts.
>
> I've seen references to creating physical interfaces/bridges for each
> VLAN on the hypervisor (IE br0.111 for vlan 111, br0.112 etc) and
> using those, but I figured there was probably a better way.
>
> My assumption would be that I'd be able to tell cloudstack/KVM that
> the bridge is really a trunk and that cloudstack would take care of
> the tagging of traffic etc.
>
> Thanks
>
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