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Date:      Wed, 12 May 1999 22:55:11 +0000 (GMT)
From:      slava <sl@zeus.dnt.md>
To:        Guy Helmer <ghelmer@scl.ameslab.gov>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: freebsd router with 4mb RAM and two eth.
Message-ID:  <Pine.BSF.4.05.9905122253020.38810-100000@zeus.dnt.md>
In-Reply-To: <Pine.SGI.4.10.9905121242130.9459-100000@demios.scl.ameslab.gov>

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Nope, it's an ISA NE2000 (ed0)

It looks like the problem disapeared after I recompiled the kernel 
without DUMMYNET support. 
Anyone knows what's the minimum RAM advisable to make use of DUMMYNET?

veaceslav

On Wed, 12 May 1999, Guy Helmer wrote:

> On Wed, 12 May 1999, slava wrote:
> > I killed cron and syslogd on that machine and I keep only inetd 
> > for telnet. I also have DUMMYNET compiled into the kernel.
> > I shape the bandwidth for traffic going out to the LAN to 64Kbit/s.
> > With this configuration the router works ok for a few hours, i can
> > telnet to it. After some time when I try to telnet again to it 
> > it won't give me a login promt and would stop forwarding the packets 
> > between interfaces at the same moment. It looks like it suffocates.
> > I can still ping the external ethernet card though. Only a cold reboot 
> > can bring it back to life. 
> > 
> > I guess I will have to try a kernel without dummynet. Could it be because
> > of the dummynet not being able to work on 4mb RAM?
> 
> Apologies for entering the conversation mid-stream, but are you using 3Com
> 3C509 Ethernet cards (using the ep driver)?  I have an occasional problem
> with one of these going mute on a firewall under heavy load.
> 
> Guy
> 
> Guy Helmer, Ph.D. Candidate, Iowa State University Dept. of Computer Science 
> Research Assistant, Ames Laboratory       ---         ghelmer@scl.ameslab.gov
> Research Assistant, Dept. of Computer Science   ---   ghelmer@cs.iastate.edu
> http://www.cs.iastate.edu/~ghelmer
> 
> 



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