Re: Creating Interfaces without IP Addresses

[Dan Williams <dcbw redhat com>]

On Tue, 2013-08-06 at 13:01 -0500, Justin Brown wrote:
> I'm trying to create some VLAN interfaces using NM 0.9.8 with the
> keyfile plugin. I have one VLAN interface (26) that has a manual ipv4
> address, and it comes up correctly. I have a second VLAN interface
> (25) that should be created without an IP address, but NetworkManager
> will not activate it.

At the moment, NM doesn't allow activation of interfaces without IP
configuration, but that's higher up on the todo list.  It involves both
correctly handling both IP methods being 'disabled' but also making sure
the distro configuration correctly parse and write out configuration
files with both v4 and v6 disabled.

If you're at all familiar with coding, I could give you some pointers if
you want it before we get to it upstream :)

Dan

> Log messages:
> NetworkManager[397]: keyfile: parsing vlan25.ini ...
> NetworkManager[397]: Connection failed to verify: (unknown)
> NetworkManager[397]: keyfile:     error: invalid or missing connection
> property 'NMSettingIP6Config/method'
>
> What's interesting is that these errors seem to be for ipv6. However,
> vlan26, which uses the exact same ipv6 section, doesn't have an error.
>
> Based on the documentation at
> https://projects.gnome.org/NetworkManager/developers/api/09/ref-settings.html,
> I have tried setting the method to "disabled" and "ignore" with the
> same results.
>
> Keyfiles:
>
> vlan25.ini
>
> [connection]
> id=vlan25
> uuid=f6610374-cbb3-4363-bf22-b65677907465
> type=vlan
>
> [vlan]
> parent=ens8
> id=25
>
> [ipv4]
> method=disabled
>
> [ipv6]
> method=ignore
> =================
> =================
>
> [connection]
> id=vlan26
> uuid=5ca54f88-cc43-42e9-801c-950c193b04a9
> type=vlan
>
> [vlan]
> parent=ens8
> id=26
>
> [ipv4]
> method=manual
> addresses1=192.168.26.10;0.0.0.0;
>
> [ipv6]
> method=ignore
>
> How do I force NM to create this interface without an IP address?
>
> Thanks,
> Justin
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