interface down incidents are being triggered, which is not down actually
we are getting the interface down alerts frequently, but when we check at the device level, it's not down and our network engineers are able to access those interfaces. kindly help on these false alerts/alarms/incidents.
Thanks in advance
What is the product family NNM or NNMi? How deice is monitored via ICMP, SNMP or both? In NNMi 9.20 you can review Monitoring settings of the device and of the interface from "Actions --> Configuration details --> Monitoring settings".
For ICMP, sometimes there is firewall blocking outgoing or incoming requests, so you might review whetehr you are manually to access device pinging it.
In SNMP, sometimes OS kernel is flooded and unable to process packets, you can check this with 'nestat -s'.
If you find that this or any post resolves your issue, please be sure to mark it as an accepted solution.