My check_snmp command doesn´t work for switch monitoring

[tgriep]

I found the name of the OID that our Cisco Switch is using, try running this command to get the uptime from your switch.

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snmpget  -v 2c <CiscoIP> -c public sysUpTimeInstance

If that fails, run this command and post back the output.

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snmpwalk  -v 2c <CiscoIP> -c public |grep -i time

[Jessuzz94]

Well, it doesnt work , i dont understand do i need to put some parameters in the definition of the check_command?,

[Jessuzz94]

aaah!! now it change, in the nagios web interface the CRITICAL error - plugin timed out while executing system call o changed to UNKNOWN and it says: No OIDs specified

[Jessuzz94]

tgriep sorry, but, i need to put the sysUpTimeInstance in the check_command too?

[Jessuzz94]

the command: snmpwalk -v 2c <CiscoIP> -c public |grep -i time

shoes me timeticks

iso3.6.1.2.1.1.3.0 timeticks: (2596) 0:00:25:96
iso3.6.1.2.1.1.3.0 timeticks: (2595) 0:00:29:55

and more like that

[jdalrymple]

Did you ever get SNMP to properly load your MIBS? They aren't explicitly necessary, but now would be a good time to get all that working:

the seccond command "snmpget -v 2c -c public <ciscoIP> .1.3.6.1.2.1.1.3.0" throws me:

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iso.3.6.1.2.1.1.3.0 = Timeticks: (530168) 1:28:21.68

This means SNMP is working, but since it didn't work when you specified the object name - there is a problem loading the MIBs.

Did you ever:

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snmptranslate -Dinit_mib .1.3 2>&1 | grep MIBDIR

[tgriep]

It look like you are missing the MIB files for checking uptimeof the switch.
You could either re-install the net-snmp software or you could download this file
http://www.net-snmp.org/docs/mibs/DISMAN-EVENT-MIB.txt
and save it in this folder

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/usr/share/snmp/mibs/

After you get the MIB installed, you would use this command to check for uptime of your switch.

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snmpget  -v 2c <CiscoIP> -c public sysUpTimeInstance

[Jessuzz94]

Okay I will do, but tomorrow because i am not in the server because im in practice of university on a business and i cant connect to the nagios server remotely from my home. but yes i will do it tomorrow, very thanks really!, will give you the results of the commands.

PD: sorry for my bad english.

[Jessuzz94]

Hi tgriep, i did it, i download the mib and move it to the mibs directory, but i have something bad, i put the command you gave me to test the uptime of the switch and i have this error:

sysUpTimeInstance: Unknown Object Identifier (Sub-id not found): (top) -> sysUpTimeInstance

this error appears every time i put a command like this. whats wrong?

[tgriep]

For some reason your switch isn't reporting the OID correctly. You use the following to get the UPTime in place of the other command.

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snmpget -v 2c -c public <ciscoIP> .1.3.6.1.2.1.1.3.0

Could you run the following and post the output back here?

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ll /usr/share/snmp/mibs/