Hi Jeremy,

Each system vm must have a public IP and a private IP.

public IP of console proxy VM: access vm console from client
private IP of console proxy VM: establish vnc or websocket connection to
hypervisor for VM console.

public IP of secondary storage VM: download template or volume from client
private IP of secondary storage VM: connect to secondary storage and mount
it in SSVM
If storage network is different from management network, SSVM will have an
extra storage IP.


-Wei


On Mon, 28 Feb 2022 at 11:56, Jeremy Hansen <jer...@skidrow.la.invalid>
wrote:

> I can cut out IPs to use for the system vm’s, but why do they need two
> interfaces?  Is there a way to turn off the private interface?
>
> Thanks
> -jeremy
>
>
>
> On Monday, Feb 28, 2022 at 2:50 AM, Wei ZHOU <ustcweiz...@gmail.com>
> wrote:
> Hi Jeremy,
>
> CloudStack must know the static IP of system vms so that they can be
> configured by CloudStack. You should have a better network plan. It is
> easy
> to avoid IP conflicts.
>
> -Wei
>
> On Mon, 28 Feb 2022 at 10:59, Jeremy Hansen <jer...@skidrow.la.invalid>
> wrote:
>
> I’m not talking about public as in externally routable IPs. The system vms
> use the terminology of public and private IPs which in my case is just two
> IPs on the same internal subnet so it seems redundant for no real reason.
> In my case public and private is the same network so why have two
> interfaces that are on the same network on each system vm?
>
> I want to control the IPs that get assigned to the system vm’s so I can
> avoid IPs conflicts. I’d like the system vm’s to allocate from the same
> dhcp server the guests vm are pulling from over the L2 network. If it gets
> its ip from dhcp like everything else, I won’t have to worry about IP
> conflicts when the system vm’s seem to just randomly assign IPs that could
> be the ip of another device on the network. I basically just want
> everything to use the dhcp server I’m running external to Cloudstack.
>
> Thanks
>
>
>
>
>
> On Monday, Feb 28, 2022 at 1:31 AM, Nux! <n...@li.nux.ro> wrote:
>
>
> What do you mean by "static IPs"?
>
> The system vms will continue to need the usual networks in Cloudstack.
>
> You will need to look at the "management" and "public" (and "secondary
> storage" if you specified that expressly) networks in Cloudstack, see if
> there are any changes you can do to integrate it in your environment.
>
> Don't forget, none of said networks actually need to use "public" IPs,
> you can operate entirely in the realm of RFC 1918, this may help you
> juggle things around.
>
> ---
> Nux!
> www.nux.ro [1]
>
> On 2022-02-28 07:25, Jeremy Hansen wrote:
>
> One more question related to this. I see System VMs are still using
> static IPs. I'm not sure where they're pulled from since I've removed
> the shared network completely and I'm only using L2 now.
>
> Also, the System VMs have a Public and Private IP, but in my case,
> everything is on a flat network and these interfaces are just getting
> two IPs for the same network. Can I disable one of these interfaces to
> simplify things without breaking things?
>
> Thanks
> -jeremy
>
> On Saturday, Feb 26, 2022 at 3:20 AM, Jeremy Hansen <jer...@skidrow.la>
> wrote:
>
> Figured it out. Thanks again. The L2 network is exactly what I
> needed.
>
> -jeremy
>
> On Saturday, Feb 26, 2022 at 2:38 AM, Jeremy Hansen <jer...@skidrow.la>
> wrote:
>
> Thank you. I'm working out the L2 config now but it appears to be
> working. My next question, is it possible to transition existing VMs
> to a new guest network? I didn't see anything obvious. Cloudmonkey?
>
> -jeremy
>
> On Saturday, Feb 26, 2022 at 1:07 AM, Wei ZHOU <ustcweiz...@gmail.com>
> wrote:
> HI Jeremy,
>
> You can use L2 network.
>
> It is not system VMS stealing ip, but might because you set wrong ip
> range
> when you added the pod.
>
> Wei
>
> On Saturday, 26 February 2022, Jeremy Hansen
> <jer...@skidrow.la.invalid>
> wrote:
>
> Is there a way to run Cloudstack without a virtual router? I basically
> want CS to handle the management of vm's but I'd like to use outside
> network services for dhcp/ip allocation. Separate dhcp server not
> managed
> by CS? Is this possible?
>
> How can I dictate the IPs used by infrastructure VMs? I'm running in to
> IP conflicts because system vm's keep stealing IPs that are already
> being
> used.
>
> Thanks
>
>
>
> Links:
> ------
> [1] http://www.nux.ro
>
>
>

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