[systemd-devel] VLAN interface stuck in pending

[Mantas Mikulėnas]

On Tue, May 30, 2023 at 11:15 AM Matthias Luft <systemd at c7f.de> wrote:

> Hi Friends,
>
> I'm on Debian Bullseye with 247.3-7+deb11u2 and am trying to configure a
> VLAN interface with networkd.
>
> My configuration is listed below. VLAN interface gets created correctly,
> however, no IP gets assigned. If I assign an IP manually, the interface
> is functional. networkctl shows the interface as pending:
>
> # networkctl
> IDX LINK            TYPE     OPERATIONAL SETUP
>    1 lo              loopback carrier     unmanaged
>    2 wan             ether    carrier     configured
>    3 isp_uplink_vlan vlan     degraded    pending
>
>
> With debugging enabled, I see the following in the systemd-networkd
> journal:
>
> isp_uplink_vlan: Interface is being renamed, pending initialization.
> ...
> isp_uplink_vlan: link_check_ready(): link is in pending state.
>
>
> Full log output listed here: https://pastebin.com/4urn8TBX
>
>
> Would you have any pointers what I am missing here?
>
> Thank you in advance & cheers,
> Matthias
>
> -----
>
> Configuration:
>
> # cat 01-wan.link
> [Match]
> MACAddress=99:xx:xx:xx:xx:xx
>
> [Link]
> Name=wan
>

VLANs have the same MAC address as their parent device, so this .link file
tells the system to rename *both* interfaces to the same name "wan".

Add a "Type=ether" match to avoid this.

-- 
Mantas Mikulėnas
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