If a switch node (IGX or BPX) is consuming a lot of real-time (80 to 90 percent), you can use the cnfrobparm command to reconfigure and recover some of this real-time.
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cnfrobparm <index> <value>
Where <index> specifies the parameter to configure and <value> specifies a new value to be entered for the parameter.
This SuperUser command is used to set the timers associated with robust alarms. Robust Alarms is a protocol for node-to-NMS communications. These parameters tell the software how often to execute the robust state machine and how long to wait between messages.
|1||Robust State wakeup timer (sec.)||This state machine comes to life once per second (default). If this timer is increased, it operates less often and places less of a load on the node processor.||10 sec.|
|2||Robust update timer (sec.)||Once a message has been sent to the NMS, another one will not be sent before this timer expires.||10 sec.|
|3||Robust acknowledgment timeout (sec.)||An acknowledgment must be returned by the NMS within this time period or it is assumed the communications link is down.||300 sec.|
|4||Robust acknowledgment reset timeout (sec.)||When the link has gone down and is subsequently repaired, the next message will be sent after this timeout. Provides a settling time for the link.||60 sec.|
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