[systemd-devel] networkd link file not setting MTU

[Tom Gundersen]

On Wed, Jan 21, 2015 at 2:53 AM, Cameron Norman
<camerontnorman at gmail.com> wrote:
> On Tue, Jan 20, 2015 at 4:40 PM, Tom Gundersen <teg at jklm.no> wrote:
>> Hi Ian,
>>
>> Did you try to reboot? Note that .link files are applied by udev (so
>> usually during early boot). You can override their settings from
>> .network files in some cases (at least with current git you can).
>>
>
> Out of curiosity and for future reference, is there any way to get
> udev to apply the link files without rebooting? E.g. possibly with a
> udevadm trigger command of some sort.

# udevadm trigger --action=add /sys/class/net/eth0

Not really recommended though, these things are really _not_ meant to
be changed at run-time, but rather provide a saner (and configurable)
default when the devices first appear (and before libudev annonces
them to the rest of the system) than what the kernel does.

Cheers,

Tom