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Cisco Bug: CSCvs19975 - RPHY: OFDM lockup detection and recovery

Last Modified

May 29, 2020

Products (1)

  • Cisco Remote PHY Shelves

Known Affected Releases

7.5

Description (partial)

Symptom:
The ofdm channel PHY DPS level locks up. From RPD console "show downstream channel couner dps" shows ofdm channel counter tx-packet not increasing, and "show downstream channel couner tpmi" ofdm Rx-pkts field increasing. That means the ofdm packets come to PHY, but cannot be processed by PHY DPS.

This change did not find the root cause of the lockup, but just detect and recover from it.

Conditions:
Observed that the ofdm lockup problems happened when configuring (or re-configuring) the ofdm channel.
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