Clear interfaces counter

[nagios-list at panazone.net]

Nadir,

Marc was correct in stating that this has nothing to do with Nagios.  In fact, 
its not even a Cisco "problem".  Its actually working exactly as it is 
designed.  Depending on the model and OS, the 'clear counters' command will 
always reset the MAC and port counters reported by the CLI, but may or may not 
affect any statistics reported by SNMP.

For example, on a Catalyst 6500 running CatOS 8.2(2), the command will clear 
CLI statistics but never those reported by SNMP.  With CatOS 5.5(19) on a 
Catalyst 2948G, it will clear statistics reported by SNMP and the CLI.

I would advise doing a little research on the particular device you are 
monitoring using your CCO account.

-Frank






Quoting "SAHNOUN, Nadir" <nsahnoun at refco.fr>:

> Hi,
> 
> i don't think that it's Nagios problem because all tools based on SNMP
> provides the same information.
> 
> i posted this message on this mailing-list because i hope have a quick
> response from users those use Nagios. i think that lot of Nagios's =
> users
> will be (may be) interessted...
> 
> And am searching a round cisco ;)
> 
> ThankYou
> 
> Best Regards
> Nadir
> 
> -----Message d'origine-----
> De : Marc Powell [mailto:marc at ena.com]
> Envoy=E9 : mercredi 28 juillet 2004 17:07
> =C0 : SAHNOUN, Nadir; Nagios-List (E-mail)
> Objet : RE: [Nagios-users] Clear interfaces counter
> 
> 
> SAHNOUN, Nadir <mailto:nsahnoun at refco.fr> wrote:
> > Hi all,
> >=20
> > i use Nagios 1.2 to check Errors IN and OUT on cisco network
> > interfaces by using check_snmp (snmpget) and i check returned data
> > with GETIF to be sure that the result is the same. all work fine.
> =20
> >=20
> > i have some errors on Serial interfaces of routers. When i clear
> > counter on all interfaces (clear counter) and i execute "show int"
> on
> > the router, the errors number of IN/OUT is reseted. OK, it's normal
> =20
> >=20
> > But, Nagios (snmpget) and GETIF always get the old error IN/OUT
> > number ! Why ?!!!=20
> 
> Sorry to point out the obvious but if you get the old numbers from an
> SNMP application that is unrelated to Nagios, wouldn't that point to a
> problem with the cisco router? Why would you think it's a Nagios =
> problem
> and demand answers from this list? It sounds like a Cisco issue to me
> and that's what your CCO login is for.
> 
> --
> Marc
> 
> 
> 
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