Re: ethertap/dummy (for mol) in 2.4.x ?

Subject: Re: ethertap/dummy (for mol) in 2.4.x ?
From: Martin Costabel (costabel@wanadoo.fr)
Date: Thu Feb 08 2001 - 07:49:18 MST

This is just a me-too message. I have not found any way to get
mol-0.9.55 networking under linux-2.4.1 and MacOS 9.1.

The only connection I get is from the MOL side to the linux side using
the eth0 or eth0:1 device. I can spare eth0 right now, because I use
airport for the exterior connection. If I use eth0 for the exterior
connection, I can use the alias eth0:1 for MOL. But MOL in no case sees
the outside world. And the only message is of the "IP-filter: x.x.x.x"
type. So it looks as if this ipfilter stuff in MOL isn't working any
more.

Anyway, for me this is moot, I won't touch MOL any more with kernel
2.4.1 and OS 9.1. As others have found, MOL always crashes after a few
minutes, and it takes linux down with it: I can get back into linux, and
it is not always frozen, but all commands give weird error messages like
segmentation fault for "ls", and I cannot shutdown cleanly. As I found
out the hard way, if I don't hard reboot immediately in this situation,
I get severe file system damage with manual fsck upon reboot and
disappearing files or directories transformed into character devices. 

--
Martin

R Shapiro wrote:
> 
> =?iso-8859-15?Q?Philippe_Lel=E9dy?= writes:
>  > > 3. I added a masquerade rule in iptables
>  > >
>  > > iptables -t nat -A POSTROUTING -o eth0 -s 192.168.1.0/24 -j MASQUERADE
>  > >
>  >
>  > I'd try
>  >
>  > iptables -t nat -A POSTROUTING  -s 192.168.1.0/24 -j MASQUERADE
>  > as eth0 is not used but dummy0.
> 
> The default route is on eth0, so after routing that's the device it
> should be using, no?  Assuming the destination isn't on the lan.
> Anyway, I already tried giving the device as dummy0, it didn't help.
> 
> Something more basic is going wrong here, since the traffic never
> seems to be routed to eth0 at all.  The only clue I have are these
> lines in /var/log/messages from netfilter:
> 
> IP-filter: 192.168.01.02
> IP-filter: 00.00.00.00
> IP-filter: 192.168.01.02
> 
> I don't know what this is trying to tell me, except that it's not a
> dropped packets (I use a specific LOG message for those).
> 
> --
> reshapiro@mediaone.net

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