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Zenoss Core 3.x Network and System Monitoring by Michael Badger

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Troubleshooting data collection

Wouldn't it be nice if everything just worked? Unfortunately, we can expect to make a mistake or two.

Troubleshooting SNMP problems

If you see an event in Zenoss that reports SNMP agent down, we first need to find out whether the issue is with Zenoss Core or with the device.

Note

Not all network devices support SNMP. So, before you beat yourself up troubleshooting, make sure your device supports SNMP.

Running snmpwalk

Zenoss Core includes a command that will run the snmpwalk command on the selected device. The snmpwalk command will query the device using the SNMP community string we assigned to the device and will try to get a list of the OIDs. Let's try it.

Navigate to Infrastructure and select Devices. Select a device ...

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