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Date:      Tue, 8 Dec 1998 10:50:12 +0100 (MET)
From:      Sven Anderson <sanders@ikarus.AMS.Med.Uni-Goettingen.DE>
To:        Dan Busarow <dan@dpcsys.com>
Subject:   Re: Static host routes don't work?
Message-ID:  <Pine.LNX.3.96.981208101441.20269B-100000@ikarus.AMS.Med.Uni-Goettingen.DE>
In-Reply-To: <Pine.BSF.3.96.981207114646.1393N-100000@java.dpcsys.com>

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On Mon, 7 Dec 1998, Dan Busarow wrote:

> On Mon, 7 Dec 1998, Sven Anderson wrote:
> > why does nobody answer me? Is it my english (it's bad, i know), is it
> 
> Your English isn't bad at all.  I've seen native speakers write worse.
> 
> > such a newbie-question not worth answering it (but then it should
> > be in the FAQ), or has really nobody here ever used static host routes?
> > 
> > It would be great, if you could give me at least a comment, which other
> > resources/mailing-lists I should use to get a solution.
> 
> I think there were no answers because
> 
> a) you shouldn't be doing that (putting a 192 host on a 172 net) :)

But you have to, if you have a private network behind the router, but
you want some hosts to have "real" IPs. (In my case it's not a 192 net
but a public IP net.)

> b) you had a work around
> c) you knew the correct answer (use a subnet)

But when i have to use subnets in any case, why there is a -host option
for the ifconfig-command?

If I don't made a mistake, and it is a fact, that static single-host
routes to directly connected interfaces only work by setting the 
ethernet-address, i think it is really a bug. After all the man-page
states that it works, then it should work, shouldn't it? (I'm naive, I
know)

To make friends here: With Linux it works! ;-)


	Sven

> > ---------- Forwarded message ----------
> > Date: Sat, 5 Dec 1998 10:17:05 +0100 (MET)
> > From: Sven Anderson <Sven.Anderson@AMS.Med.Uni-Goettingen.DE>
> > To: freebsd-questions@FreeBSD.ORG
> > Subject: Static host routes don't work?
> > 
> > Hi,
> > 
> > I'm running 2.2.8-RELEASE, and I noticed, that static host routes to
> > directly connected hosts don't seem to work correctly. I have the
> > following Problem:
> > 
> >     192.168.25.0/24 ------ed1 |FreeBSD| de0-------- 172.27.0.0/16
> >                                              |
> >                                               ---- Host 192.168.25.224
> > 
> > where the addresses of the interfaces of the BSD-Box are:
> > ed1: 192.168.25.223
> > de0: 172.27.10.254
> > 
> > For the single host I need a hostroute to de0, and i thought, this line
> > should do the job:
> > 
> > # route add -host 192.168.25.224 -interface 172.27.10.254
> > 
> > After that the routingtable looks fine so far:
> > 
> > 192.168.25.224	172.27.10.254	UHS	0	0	de0
> > 
> > but it doesn't work, no arp-requests for 192.168.25.224 on de0.
> > 
> > Because i was not sure, if it is a netmask-problem, I tried the same with
> > an address out of 172.27.0.0/16, for example 172.27.1.1, which was routed
> > correctly before, and from this moment on the address was unreachable. It
> > seems that static host routes don't route but block, and no arp-requests
> > happen anymore for that address.
> > 
> > Then i tried the -interface-option with the real device-name:
> > 
> > # route add -host 192.168.25.224 -interface de0
> > 
> > and it created a permanent arp-entry, but with the ether-address of the
> > adapter of de0, again no arp-request was done. With arp -s I manually set
> > the ether-address to that of the host, and, WOW, it works! But this can't
> > be the way to do it, can it? I would like to have a solution, where I
> > don't have to set the ether-address by hand but it is determined by an
> > arp-request.
> > 
> > Btw.: if I route a whole subnet (at least 2 IPs), there's no problem
> > anymore, fine arp-requests, fine connects.
> > 
> > I'm really confused, and from my point of view this is a bug, but maybe
> > someone can explain me, what I'm doing wrong?
> > 
> > Thanks in advance,
> > 
> > 	Sven
> > 
> > -- 
> > * email: sa@kki.org                  * fon.net: ++49-551-35430         
> > * www: http://tuttle.home.pages.de/  * irc: tuttle
> > "Macht verrueckt, was Euch verrueckt macht!" (Blumfeld)
> > 

- -- 
* email: sa@kki.org                  * fon.net: ++49-551-35430         
* www: http://tuttle.home.pages.de/  * irc: tuttle
"Macht verrueckt, was Euch verrueckt macht!" (Blumfeld)

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