[Nagiosplug-help] check_snmp_int.pl on a cisco 6500

Jan Scholten Jan.Scholten at iconz.net
Tue Dec 7 15:14:15 CET 2004

> Thanks for replying so fast. What I'd like to do exactly is to monitor
> (and get and alert) when an interface goes down or comes up.

Check the Website:

As i said: i did not know check_snmp_int.pl but the site states that the return value is OK, if 
every port is up.

So you might want to check only the interfaces that should be up e.g. "-n ethernet0"

For the configuration:
services.cfg and checkcommands.cfg are a perfect place, read the documentation if you are unsure, 
but probably you can figure it out be just reading the existing files.


> I've played a little with the switches and I found that this works:
> [root at ccc-nagios plugins]# ./check_snmp_int.pl -H 10.0.0.X -C string -n
> 1 :DOWN, A :UP, 14:DOWN, CPU:UP, 20:UP, 16:DOWN, 18:DOWN, 12:DOWN,
> 17:DOWN, PortChannel:DOWN, 3 :DOWN, AUI:UP, 2 :DOWN, 19:DOWN, 22:DOWN, 7
> :DOWN, 9 :DOWN, 13:DOWN, 23:DOWN, 6 :DOWN, 4 :DOWN, B :DOWN, 10:UP,
> 15:DOWN, 21:UP, 8 :DOWN, 24:DOWN, 5 :DOWN, 11:UP: 22 int NOK : CRITICAL
> Now, how do I include it into the files and which files? I'm guessing
> probably service.cfg and checkcommands.cfg? Am I on the right track
> considering my goal? Thanks.
> Rossella Mariotti-Jones
> Network Analyst, CCNA
> Chemeketa Community College / IT
> T 503 589 7775
> F 503 399 4898
> E rossella at chemeketa.edu
> www.chemeketa.edu
> -----Original Message-----
> From: Jan Scholten [mailto:Jan.Scholten at iconz.net] 
> Sent: Tuesday, December 07, 2004 1:04 PM
> To: Rossella Mariotti-Jones
> Cc: nagiosplug-help at lists.sourceforge.net
> Subject: Re: [Nagiosplug-help] check_snmp_int.pl on a cisco 6500
> Rossella Mariotti-Jones schrieb:
>>Hello, I'm very new at this and I need some help with snmp check 
>>commands if possible.
>>I'm trying to run the command to see if it works from my command line 
>>like this:
>>[root at ccc-nagios plugins]# ./check_snmp_int.pl -H x.x.x.x -C password
>>And all I get is this:
>>Usage: ./check_snmp_int.pl [-v] -H <host> -C <snmp_community> | (-l 
>>login -w passwd)  [-p <port>] -n <name in desc_oid> [-i] [-a] [-r] 
>>[-f[e]] [-t <timeout>] [-V]
>  From the output you can see that you need to provide a "-n <name in
> desc_oid>" Check the help for 
> more info.
> If you only want to check if a specific interface is up a check like:
> $USER1$/check_snmp -H $HOSTADDRESS$ -C $USER3$ -P 1 -o
> -w 1:1 -c 1:1
> Replace X with your Port to check (is the numeric oid for
> IF-MIB::ifOperStatus.X) it will return ok 
> if the port is up and critical if the port is down.
>>Can anybody help? Thanks a lot.
> hth
> Jan


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