From owner-freebsd-stable  Wed Sep  5  6:45:34 2001
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Date: Wed, 05 Sep 2001 09:39:14 -0400
To: "David W. Chapman Jr." <dwcjr@inethouston.net>
From: Mike Tancsa <mike@sentex.net>
Subject: Re: ipnat bug
Cc: "David W. Chapman Jr." <dwcjr@inethouston.net>,
	stable@FreeBSD.ORG
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At 08:30 AM 9/5/01 -0500, David W. Chapman Jr. wrote:
>On Wed, Sep 05, 2001 at 09:22:26AM -0400, Mike Tancsa wrote:
> >
> > Those look quite normal.  What about netstat -m ?
> >
>
>Yes it does, I'll try to get you these numbers when it decides to
>stop doing ftp proxy, but I don't know then it will break again.
>
>firewall# netstat -m
>257/400/4096 mbufs in use (current/peak/max):
>         257 mbufs allocated to data
>256/308/1024 mbuf clusters in use (current/peak/max)
>716 Kbytes allocated to network (23% of mb_map in use)
>0 requests for memory denied
>0 requests for memory delayed
>0 calls to protocol drain routines
>firewall#

That seems pretty low. What is MAXUSERS defined as in your kernel config ? 
How much memory do you have on the machine ?

Try
kern.ipc.nmbclusters=16384
net.inet.tcp.tcbhashsize=16384

in /boot/loader.conf

However, I dont any of the ipnat stats complaining about lack of memory. 
After it fails, do the stats show any complaints ? Have you rebooted this 
box since a problem period ?



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