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i2 controllers randomly go offline then back online 10 minutes later. During this period of showing as offline, all points under the i2 controller can be viewed.

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i2 controllers randomly go offline then back online 10 minutes later. During this period of showing as offline, all points under the i2 controller can be viewed.

Picard Product_Support
‎2018-09-09 10:40 PM

Issue

i2 controllers randomly go offline then back online 10 minutes later. During this period of showing as offline, all points under the i2 controller can be viewed.

Environment

Continuum

i2xxx Controllers

Netcontroller II (CX9680)

Cause

After an i2 controller goes offline on a noisy Infinet, the Netcontroller II can miss receiving the reconfig of the i2 controller coming back online. It fails to see the i2 controller come back online but still continues passing requests down to it and receiving responses.

After 10 minutes of not receiving the token, the i2 controller announces that it is on the bus. At this point the Netcontroller II gets the controller online message and the network reconfigures again bringing in this controller to the token pass.

Resolution

This has been fixed in a new build of the Netcontroller II v2.100031 which can be found at the link below.

Netcontroller II v2.100031

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