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Date: Fri, 24 Apr 2015 17:57:11 +0100
From: Paul Thornton <prt@prt.org>
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To: freebsd-net@freebsd.org
Subject: Re: net.inet.ip.forwarding is mysteriously set to 0
References: <553A7350.40607@gmx.com> <553A73B6.8010307@winterei.se>
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Hi

This happens when any interface is created if you've enabled forwarding 
with the sysctl and not using gateway_enable in rc.conf.  It is easily 
fixed though.

See this thread from January:
https://docs.freebsd.org/cgi/getmsg.cgi?fetch=403720+0+archive/2015/freebsd-net/20150104.freebsd-net

Paul.

On 24/04/2015 17:47, Paul S. wrote:
> Can confirm that anything to do with netif restart on a forwarding
> interface also creates the same problem.
>
> On 4/25/2015 午前 01:46, Nikos Vassiliadis wrote:
>> Hi,
>>
>> Just saw this. Can somebody re-produce this?
>>
>>> root@m4fh2:~ # sysctl net.inet.ip.forwarding
>>> net.inet.ip.forwarding: 1
>>> root@m4fh2:~ # ifconfig bridge0 create
>>> root@m4fh2:~ # sysctl net.inet.ip.forwarding
>>> net.inet.ip.forwarding: 0
>>
>> That's on GENERIC 10-STABLE from the day before yesterday.
>>
>> Thanks,
>> Nikos
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