*BSD News Article 51648


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From: Ferry Winarta <ferryw@softplus.com.au>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: IPFORWARDING on FreeBSD2.0, Help Please
Date: Thu, 21 Sep 1995 13:06:40 +1000
Organization: Corinthian Internet Services P/L, Sydney, Australia.
Lines: 69
Message-ID: <Pine.SCO.3.91.950921124240.15219B-100000@conger.softplus.com.au>
References: <43ip24$as@mippet.ci.com.au> <43klt2$306@uriah.heep.sax.de>
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In-Reply-To: <43klt2$306@uriah.heep.sax.de> 

On 18 Sep 1995, J Wunsch wrote:

> >
> > I tried to enable ipforwarding on FreeBSD2.0, but it didn't work.
> >
> > I did recompile the kernel with GATEWAY, IPFORWARDING, and 
> > IPFORWARDING_VERBOSE options.
> >
> > I tried sysctl -a, it gave me ipforwarding = 1.
> 
> Btw., sysctl would have been sufficient.  options GATEWAY is
> considered obsolote (well, now, in the upcoming 2.1).
> 

Are you referring to FreeBSD2.1 (is it the same as SNAP2.1).
Will it be a straight forward upgrade from FreeBSD2.0.

btw, what does SNAP stand for ? (my apologize for my ignorance)

> >
> > I have 2 network cards, with different subnet. I tried to telnet from
> > network1 to network2, it came back with timeout.
> 
> Guessing...
> 
> Inconsistent netmask?  Perhaps one of the machines in the subnets
> attempts to resolve the remote peer via arp instead of forwarding the
> packet to the gateway?  You can use the arp command to see this.

this is my gateway diagram:


X.Y.Z.85 |--| X.Y.Z.65  X.Y.Z.33 |--| X.Y.Z.42  A.B.C.D |--| A.B.C.*
(INTERNAL)        (GATEWAY)                (ROUTER)            (External)


Internal Subnet :
netmask 255.255.255.224
subnet 3 (X.Y.Z.65 - X.Y.Z.94)
route default 202.0.99.65

Gateway :
netmask 255.255.255.224 for both network cards
route network A.* X.Y.Z.42

telnet from gateway to A.B.C.4, ok.
telnet from Z.Y.Z.85 to A.B.C.4, failed, timeout.

is this possible to be done ?

Thanks a lot.....

> -- 
> cheers, J"org
> 
> joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/
> Never trust an operating system you don't have sources for. ;-)
> 
> 

Regards

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