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Re: Token-Ring? Anyone?

daemon@ATHENA.MIT.EDU (tallen)
Tue Apr 9 10:40:54 1996

Date: 	Tue, 9 Apr 1996 09:47:52 -0400 (EDT)
From: tallen <tallen@csc.sctboces.org>
To: linux-net@vger.rutgers.edu
In-Reply-To: <4k1ctv$9fh@news.xs4all.nl>

Thanks to all who responded.  I went out and got the newest kernel I 
could find (1.3.81), and the token ring seems to be fine now.  Now the 
question remains: from the token ring side, what do I need to do to be 
able to ping the ethernet, and vice versa.  Eventually this machine will 
be a firewall, but I need to know I can get across without logging on.


Thanks again,

Tom

On Thu, 4 Apr 1996 hessel@xs4all.nl wrote:

> tallen <tallen@csc.sctboces.org> wrote:
> 
> >We're pretty new to LINUX, and are trying to set up a firewall between 
> >our RS6000 and the internet.  The RS6000 has both ethernet (the internet 
> >side) and token ring (our entire network is token ring).  After never 
> >getting the 2 cards in the AIX box to see each other without logging in 
> >(no Netscape), and the fact that you can't get a better firewall than 
> >that, we decided to give LINUX a try.  We put up kernel 1.3.18, and 
> >compiled it with token ring, ip forwarding on and no firewall (for now), 
> >also the SMC Ultra driver is included.  Our LINUX machine, of course, has 
> >a token ring card (IBM older 8 bit 16/4) and the SMC Ultra.  The ifconfigs 
> >and routes for the two boards as follows:
> 
> >ifconfig eth0 205.232.52.24 broadcast 205.232.52.63 netmask 255.255.255.192
> >ifconfig tr0 205.232.52.193 broadcast 205.232.52.255 netmask 255.255.255.192
> >route add -net 205.232.52.0 netmask 255.255.255.192
> >route add -net 205.232.52.192 netmask 255.255.255.192
> >route add default gw 205.232.52.1 # this is our router to the internet
> 
> >Now the problem.  I haven't even been able to start setting up socks yet, 
> >because I can't get my token ring to behave reliably.  I can ping from 
> >the token ring to other token ring devices fine. If I ping the token 
> >ring from another device, I lose over half the packets.  If I try to telnet 
> >through the token ring, the system hangs with:
> 
> >kernel panic: skput:over: 00a98214:4
> 
> I had the same problem on 1.3.15 until I installed a newer release,
> try 1.3.3x. I use a 8 bit 16/4 adapter myself and I have no problems.
> 
> Good luck,
> Hessel.
> 
> >Is there something I'm doing wrong?  Have I set up the routes correctly 
> >for my subnet?  Do I need to subnet to separate the networks?  Thanks for 
> >your patience and help,
> 
> >Tom
> 
> 
> 
> 
> 




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