I have gigabit HSI provisioned, and when my D3.1 eMTA reboots, sometimes it is configured with SC-QAM channels at the lower end of the spectrum, and other times further up in the spectrum. The lower frequencies never have any uncorrectable codewords. The higher frequencies have lots of errors.
Is it normal that the same CM would have channels with different frequencies configured by the CMTS on reboot?
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