Forum Discussion
This specific message regarding profile change makes me wonder if there's a load balancer on the CMTS kicking you back and forth between 2 equally congested pathways.
Congested as in too much traffic or too much noise/ingress?
Documentation on CMTS load balance does sound awfully "familiar" to what I'm experiencing with the constantly changing profiles.
Old documentation (2006) but seems somehow plausible to what's going on here.
"Dynamic modulation changes—The dynamic modulation feature affects the load-balancing algorithm because it typically switches an interface from a higher-bandwidth modulation profile to a lower-bandwidth modulation profile in response to noise conditions on the interface. For example, if an upstream is configured for 16-QAM modulation, sufficient noise levels could switch the upstream to a QPSK modulation profile. Depending on the load-balancing configuration, this could then result in the movement of cable modems to other channels. Similarly, when the noise conditions improve, and the modulation is returned to the original, higher-bandwidth profile, the cable modems could be moved again to rebalance the upstream channels."
Sounds like ping pong and my modem is the ball.
Honestly, I'm just trying to nail this down as far as being informed goes because I need to know if I'm chasing something that is bigger than my service alone and if I should perhaps start looking at alternatives if Cox can't act on this in a meaningful timeframe.
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