Device showing unknown status, but have data

Document ID : KB000048529
Last Modified Date : 14/02/2018
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Description:

Customer has many devices where their status in the detailed view is unknown, but they see IM is collecting data and they are available.

Solution:

This may help you debug:

  • Device Status is related to ICMP/Reachability.

  • If a device / ACL / configuration entry excludes timeouts for ICMP - the status will be unknown.

  • Metrics collected are SNMP based.