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Level 16

Can we alert for SNMP not responding nodes?

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Hi all,

I searched about this topic but all are very old so wanna know if we can alert for nodes which are not responding to SNMP.

I have only 5-6 nodes for which alerting is required.

So can anyone help me on this?

We actually had an issue for some devices where they were found in hung state and they had reboot the device to bring to normal. So according to me setting up non responsiveness to SNMP will atleast meet this requirement.

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Level 8

Re: Can we alert for SNMP not responding nodes?

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This alert seems to be working fine for me. This will send an alert for any device that is not "Down" when Hardware or child node status is "Unknown" for any polling method. If SNMP stops responding, the child status and/or hardware status should change to unknown and trigger the alert.

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Re: Can we alert for SNMP not responding nodes?

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I use a custom SQL alert on nodes.

Where

[status] in ('1' , '3' )

and unmanaged=0

and DATEDIFF(MINUTE,LastSystemUpTimePollUtc,GETDATE()) >60

so if the think stops responding to SNMP polls of it's lastSystemUptime for an hour then we get an alert for it

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Level 16

Re: Can we alert for SNMP not responding nodes?

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So where can we limit for the nodes on which we want to alert? Will it be

in the query itself?

On 09-Apr-2016 6:15 am, "RichardLetts" <

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Level 17

Re: Can we alert for SNMP not responding nodes?

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that would be done in the alert setup.

...

and

     OR BLOCK BELOW

     nodename like abc

     nodename like cde

     nodename like fgh

     ...

If using custom SQL like RichardLetts​ then...

AND (NodeName like '%abc%' OR NodeName like '%cde%' OR NodeName like '%fgh%' ...)

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Level 8

Re: Can we alert for SNMP not responding nodes?

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Great! I'll use it

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Level 9

Re: Can we alert for SNMP not responding nodes?

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Can you provide the sql for the alert in it's entirety please?  I'm using this but am not able to make it work.  I'm sure I'm missing something as I am not good with SQL.  Thanks,

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Level 10

Re: Can we alert for SNMP not responding nodes?

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RichardLetts

Hello Richard,

Thanks for the simple and effective query.

One of our device is responding to SNMP but i'm getting that device in the results for the query you given here, do you have any idea/suggestion on this? what i need to suppose to check?

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Re: Can we alert for SNMP not responding nodes?

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Is Solarwinds polling the device? Does the alert clear if you do a 'poll now' on the device?

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Level 10

Re: Can we alert for SNMP not responding nodes?

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Yes, solarwinds is able to poll and I can see tge interface statistics. Did poll now and rediscovered and unmanaged and managed again but alert stays in the dashboard .

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Level 16

Re: Can we alert for SNMP not responding nodes?

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can you paste your trigger condition here?

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