Why are some interfaces are in the unmanaged state?

An interface may be in the unmanaged state due to the following reasons:

  • The user would have manually chosen to unmanage the interface/device. 
  • The interface is discovered / listed as a subinterface. A subinterface is a virtual interface created by dividing one physical interface into multiple logical interfaces. A subinterface in a router uses the parent physical interface for sending and receiving data. OpManager does not manage those interfaces which are listed as sub-interfaces. Hence, if the interface is discovered/listed as an sub-interface, it will be shown as unmanaged.
  • The parent device may be associated with an active Device Downtime Schedule. If the dependent device is associated to a downtime schedule (or unmanaged manually), the child device and its interfaces will also be moved to unmanaged state for that particular period.  


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