Re: snmpd on Sun Enterprise 250
On Sun, Dec 16, 2001 at 06:08:02PM +0100, Olivier Bornet wrote:
tnx a lot,
i've try the patch , and after a little change it work fine :)
regards and tnx
nextime
> Hello,
>
> > On this machine i've apt-get installed snmpd from a woody source:
> >
> > 05:38:54 danex:~# snmpget <hostname> <community> ifOutOctets.2
> > interfaces.ifTable.ifEntry.ifOutOctets.2 = 4294967295
>
> Try cat /proc/net/dev : you will see the counter is more high than this.
>
> I was having the same problem. This is a bug in snmpd and values bigger
> than 2^32-1. To resolve my problem, I have get and installed snmpd from
> the sources : http://www.net-snmp.org/, and also applied a patch from a
> net-snmp developer. (this was for version 4.2.3)
>
> I have attached the original message of the developper of net-snmp
> giving me the patch. Please note you need to edit a little the patch,
> because the lines break are not correct.
>
> Hope this help.
>
> Olivier
> --
> Olivier Bornet | français : http://puck.ch/f
> Swiss Ice Hockey Results | english : http://puck.ch/e
> http://puck.ch/ | deutsch : http://puck.ch/g
> Olivier.Bornet@puck.ch | italiano : http://puck.ch/i
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> X-Auth-No:
> From: Niels Baggesen <nba@users.sourceforge.net>
> To: Olivier Bornet <Olivier.Bornet@puck.ch>,
> net-snmp-coders@lists.sourceforge.net
> Subject: Re: Problem with counter overflow
> In-Reply-To: <20011212091622.A29486@smartdata.ch>
> Organization: State and University Library
> Errors-To: net-snmp-coders-admin@lists.sourceforge.net
> X-BeenThere: net-snmp-coders@lists.sourceforge.net
> X-Mailman-Version: 2.0.5
> Precedence: bulk
> X-Original-Date: Wed, 12 Dec 2001 19:30:50 +0100
> Date: Wed, 12 Dec 2001 19:30:50 +0100
>
> On Wed, Dec 12, 2001 at 09:16:22AM +0100, Olivier Bornet wrote:
> > Hello,
> >
> > > > interfaces.ifTable.ifEntry.ifInOctets.2 = Counter32: 1611864348
> > > > interfaces.ifTable.ifEntry.ifOutOctets.2 = Counter32: 4294967295
> > > >
> > > > So, the In is OK, but the Out seem to limit to 2^32-1. As this is now since
> > > > about a week...
> > >
> > > Hmmm, I thought we had gotten these ruled out. What does /proc/net/dev
> > > look like?
> >
> > So, the /proc/net/dev contain (among other things) :
> > eth0:1613699263 9019257 ... 4540832067 7894842 ...
> >
> > The values are good in /proc/net/dev
> >
> > > What kernel version is this?
> >
> > This is a 2.4.4 on SPARC.
>
> Ahhh, I should have spotted that you answered your question yourself:
> counters are unsigned 32-bit, and
>
> $ bc
> bc 1.06
> Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
> This is free software with ABSOLUTELY NO WARRANTY.
> For details type `warranty'.
> obase=16
> 4540832067
> 10EA79943
>
> so this kernel keeps the counter in a 64-bit, which means that when we
> read it with a %lu format it is returned as 0xFFFFFFFF. We have to read
> it into an unsigned long long and then discard the excess ourselves
> (until we get the ifXTable in place)
>
> Maybe you could try this patch:
>
> --- agent/mibgroup/mibII/interfaces.c 2001/11/28 22:30:33
> 1.75.2.16
> +++ agent/mibgroup/mibII/interfaces.c 2001/12/12 18:29:37
> @@ -1266,11 +1266,11 @@
> struct ifreq ifrq;
> struct ifnet **ifnetaddr_ptr;
> FILE *devin;
> - unsigned long rec_pkt, rec_oct, rec_err, snd_pkt, snd_oct, snd_err,
> coll;
> + unsigned long long rec_pkt, rec_oct, rec_err, snd_pkt, snd_oct,
> snd_err, coll;
> int i, fd;
> conf_if_list *if_ptr;
> - const char *scan_line_2_2="%lu %lu %lu %*lu %*lu %*lu %*lu %*lu %lu
> %lu %lu %*lu %*lu %lu";
> - const char *scan_line_2_0="%lu %lu %*lu %*lu %*lu %lu %lu %*lu %*lu
> %lu";
> + const char *scan_line_2_2="%llu %llu %llu %*llu %*llu %*llu %*llu
> %*llu %llu %llu %llu %*llu %*llu %llu";
> + const char *scan_line_2_0="%llu %llu %*llu %*llu %*llu %llu %llu
> %*llu %*llu %llu";
> const char *scan_line_to_use;
>
> #endif
>
>
> /Niels
>
> --
> Niels Baggesen - @home - Århus - Denmark - niels@baggesen.com
> -- All people smile in the same language --
>
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