Re: Mute "arp: 01:02:03:04:05:06 is multicast"; find source?

From: parv/freebsd <parv.0zero9+freebsd_at_gmail.com>
Date: Sun, 14 Nov 2021 23:24:33 UTC
On Sun, Nov 14, 2021 at 12:40 PM parv/freebsd wrote:

> Is there any way to mute in syslog message ...
>
> arp: 01:02:03:04:05:06 is multicast
>
> ... or block|drop via some firewall rule? On some days it comes
> nearly every hour, each instance shifted forwarded by few minutes ...
>
> ...
> Nov 12 17:23:34 idas1 kernel: arp: 01:02:03:04:05:06 is multicast
> Nov 12 18:25:22 idas1 kernel: arp: 01:02:03:04:05:06 is multicast
> Nov 12 19:27:10 idas1 kernel: arp: 01:02:03:04:05:06 is multicast
>
...

> On a FreeBSD 12.2 host, it just gets logged.
> On a (FreeBSD) 13.0 host, message is logged and also sent in daily email.
>

Thanks to pointer by @FreeBSDHelp on Twitter ...

https://twitter.com/FreeBSDHelp/status/1460014829880557568

https://forums.freebsd.org/threads/arp-log-to-a-separate-file.55697/


... I have added /etc/syslog.d/arp.conf to separate message spamming
of /var/log/messages ...

!arp,arpresolve
*.*    /var/log/arp.log



> Also, how could I identify the source that causes the message in the
> first place?
>

This I still would like to resolve.


- parv