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Cisco Bug: CSCun28812 - DOCSIS 3.0 LB sets wrong RCC for modem

Last Modified

Jan 30, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH1

Description (partial)

Symptom:
Wideband cable modem is online using a Wideband-Cable interface that has less channels than it is capable of bonding and a higher channel Wideband-Cable interface is available for the modem to use.

Conditions:
DOCSIS 3.0 MCBLB is enabled. A modem capable of 16 or 24 channels initially acquires on a Modular-Cable controller that only has a 4 channel Receive Channel Configuration (RCC) and is then steered to a different Modular-Cable controller with 4, 8, and 12 channel RCC available. When the cable modem moves to the controller with 12 channels available, load balancing configures a 4 channel RCC for the modem.
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