lp Eng Arc Tx Cell Memory Max Usage

This attribute indicates the maximum number which has recently occurred for the txCellMemoryUsage attribute. On CQC-based ATM FPs, this number indicates the maximum usage of transmit cells for all ports on this FP. On ATM IP FPs, this number indicates the maximum usage of transmit cells in the Passport Queue Controller (PQC) ASIC. Queuing of ATM cells for transmit normally occurs in the ATM Queue Manager (AQM) ASIC, which is indicated in the Lp Eng Arc Aqm/x txCellMemoryUsage attribute. Transmit cells should only be queued in the PQC under circumstances of extreme transient congestion. This value is reset to the current usage every 15 minutes and when the card is reset.