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Date: Fri, 4 Dec 2015 23:43:06 +0000
From: Gary Palmer <gpalmer@freebsd.org>
To: Jason Van Patten <jvp@lateapex.net>
Cc: freebsd-net@freebsd.org
Subject: Re: Bridge Interfaces and ARPs
Message-ID: <20151204234306.GA18341@in-addr.com>
References: <56604982.9010003@lateapex.net> <20151204070606.GA16904@babolo.ru>
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On Fri, Dec 04, 2015 at 03:27:20PM -0500, Jason Van Patten wrote:
> On 12/4/15 2:06 AM, Aleksandr A Babaylov wrote:
> >
> > sysctl net.link.ether.inet.proxyall=1
> 
> This looks like it's working; thanks a bunch!  Whoda'thunk you could use 
> something like proxy arp to un-break a broken network?  It appears as 
> though the above sysctl keeps resetting itself to 0 with *any* network 
> interface changes.  And from what I can see, that's as by design?  Is 
> there any way to get it to stay 1?  The problem is that sysctl does its 
> think during boot-up, before the interfaces and routing are all set in 
> /etc/rc.conf.  So I have to come back in and manually set it to 1.  I 
> suppose I can write an RC script to do that for me, but it's still 
> suboptimal.
> 
> Any guidance or suggestions on that one?
> 
> Thanks again!

Try:

sysrc arpproxy_all=YES

You can remove the sysctl setting as that's what that option does.

Regards,

Gary