Discovery State; Normal State; Lostcomms State; Normal Lostcomms State - Cisco WS-C3550-12G User Manual
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Cisco Catalyst Switch Manager Object States
Discovery State
The discovery state is a temporary state that is assigned to certain objects during subchassis discovery.
This state applies to the Network Element, Chassis and Software objects. It is used to determine the
physical and logical components on a switch. If successful, an automatic state transition to normal is
made. If communication is lost, the object transitions to the discovery lostcomms state. If physical
components are detected that do not match the expected types, the objects are transitioned to the
mismatched state.
Normal State
The normal state is applicable to all objects, and represents a situation in which an object is regarded as
being actively monitored. When an object enters the normal state, Cisco EMF performs heartbeat polling
on the object every five minutes to check for connectivity or changes to the object.
Lostcomms State
This state applies only to the Network Element object. If communication to the Network Element object
is lost, it moves into the lostcomms state. Heartbeat polling polls an object every five minutes to verify
its existence and current state. Heartbeat polling continues, until the object responds positively to a
heartbeat request. When the object can be contacted again, it responds positively to heartbeat requests,
and then moves back into the normal state.
Normal Lostcomms State
This state applies all objects except the Network Element object. This state indicates that communication
has been lost to an object that was formerly in the normal state. Two transitions can be made out of this
state:
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If communication is restored, the object transitions back to the normal state.
While this object is still in the normal lostcomms state, if the object is stimulated to activate
performance logging, then the transition is immediately to the perflostcomms state.
Chapter 2
Basic Concepts
OL-4930-01
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