> Am 31.08.2022 um 12:09 schrieb Alexander V. Chernikov <melif...@ipfw.ru>:
>
>
>
>> On 31 Aug 2022, at 10:11, Martin Stiemerling <mls.i...@gmail.com> wrote:
>>
>> Hi,
>>
>>> Am 31.08.2022 um 11:00 schrieb Peter Jeremy <pet...@freebsd.org>:
>>>
>>> On 2022-Aug-31 10:18:44 +0200, Martin Stiemerling <mls.i...@gmail.com>
>>> wrote:
>>>> I am looking for a mechanism to get a notification from the OS when, for
>>>> instance, an IP address on an interface or a routing entry is being
>>>> changed.
>>>
>>> Assuming you are using the base OS version of dhclient, you could use
>>> /etc/dhclient-exit-hooks, which is a shellscript documented in
>>> dhclient-script(8).
>>
>> Thanks, but that won’t help, as I need notifications about all changes, even
>> if the change is not happening thru dhcp. E.g., IPv6 changes or manual
>> changes.
>>
>> This is for a gnmi-target, i.e., net management via yang/gnmi, under
>> development for Linux and FreeBSD for routers, firewalls, software switches
>> etc:
>> https://code.fbi.h-da.de/danet/gnmi-target
>>
>> I have seen that there is a project for adding netlink to FreeBSD14:
>> https://github.com/pengnam/freebsd-netlink
>>
>> Right now, I haven’t found a way, devd is for device changes only, to get
>> this done.
> For now, you can use routing socket notifications (route(4)).
> "route -n monitor” provide a quick way to check what’s available at the
> moment.
Great & thanks a lot!
>
> There are some plans to have netlink in 14 and 13 but the timeframe is not
> settled yet.
Ok, I will look forward to this.
>>
>> I am happy to help to change this, but it is unclear to me where and how to
>> start.
>>
>> Thanks,
>>
>> Martin
>>
>>
>>
>>
>
