Return to BSD News archive
Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!pravda.aa.msen.com!spool.mu.edu!daily-planet.execpc.com!news.moneng.mei.com!howland.reston.ans.net!tank.news.pipex.net!pipex!news.mathworks.com!fu-berlin.de!zib-berlin.de!irz401!uriah.heep!bonnie.heep!not-for-mail
From: j@bonnie.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: How to set up routing tables?
Date: 21 Aug 1995 13:27:15 +0200
Organization: Private U**x site, Dresden.
Lines: 35
Message-ID: <419qij$r1h@bonnie.tcd-dresden.de>
References: <ARNULF.95Aug17095614@arnulf.dialup.fu-berlin.de> <411n6s$e62@bonnie.tcd-dresden.de> <415a6d$eui@sol.ctr.columbia.edu>
Reply-To: joerg_wunsch@uriah.heep.sax.de
NNTP-Posting-Host: 192.109.108.139
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Bill Paul <wpaul@ctr.columbia.edu> wrote:
>: options GATEWAY is almost a no-op and will disappear in one of the
>: next releases.
>
>I hope not. There's no reason to remove the ability to set default
>kernel flags like this at compile time. That aside:
I think there's an RFC that forbids this being turned on by default.
GATEWAY is perhaps the last option that performs this type of hackery.
>: Use
>
>: sysconf -w net.inet.ip.forwarding=1
>
>First of all, it's sysctl, not sysconf. Second, crusty traditionalists
Of course, my fault.
>like myself would probably prefer to do it like this:
>
># echo "set ipforwarding = 1" | gdb -k -w /vmunix /dev/mem
Won't work in FreeBSD though. (I think you'll get a ``Readonly file
system'' or so.)
I rather like the sysctl version. It's less error-prone and allows
the kernel some sort of control (e.g. you can have read/only
variables).
--
cheers, J"org private: joerg_wunsch@uriah.heep.sax.de
http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)