Comtrend Corporation CT-6373, User Manual

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5.2.3 ATM statistics
ATM Interface Statistics
This data is grouped according to bearer (B0/B1) and time period (15m/24h).
Field Description
Total Cells Number of Total Cells
Non-idle Cells Number of Non-idle Cells
HEC Errors Number of cells dropped due to uncorrectable HEC errors
Idle Cell Bit-errors Number of Bit errors in Idle Cells
Utopia Overflow Number of cells dropped coming from the UTOPIA bus
AAL5 Interface Statistics
Field Description
In Octets Number of received AAL5/AAL0 CPCS PDU octets
Out Octets Number of received AAL5/AAL0 CPCS PDUs octets transmitted
In Ucast Pkts Number of received AAL5/AAL0 CPCS PDUs passed to a
higher-layer for transmission
Out Ucast Pkts Number of received AAL5/AAL0 CPCS PDUs received from a
higher layer for transmissions
In Errors Number of received AAL5/AAL0 CPCS PDUs received that
contain an error. The types of errors counted include CRC-32
errors.
Out Errors Number of received AAL5/AAL0 CPCS PDUs that could be
transmitted due to errors.
In Discards Number of received AAL5/AAL0 CPCS PDUs discarded due to
an input buffer overflow condition.
Out Discards This field is not currently used
AAL5 VCC Statistics
Field Description
VPI/VCI Shows the values of the ATM VPI/VCI
CRC Errors Number of PDUs received with CRC-32 errors
SAR TimeOuts Number of partially re-assembled PDUs which were discarded
because they were not fully re-assembled within the required
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