User manual

33
ATM AAL5 Layer Statistics over ADSL interface
Heading Description
In Octets Number of received AAL5/AAL0 CPCS PDU octets
Out Octets Number of AAL5/AAL0 CPCS PDU octets transmitted
In Ucast Pkts Number of received AAL5/AAL0 CPCS PDU passed to a
higher-layer
Out Ucast Pkts Number of received AAL5/AAL0 CPCS PDU received from
a higher layer for transmission
In Errors Number of received AAL5/AAL0 CPCS PDU in error. The
types of errors counted include CRC-32 errors.
Out Errors Number of received AAL5/AAL0 CPCS PDU that could not
be transmitted due to errors.
In Discards Number of received AAL5/AAL0 CPCS PDU discarded due
to an "input buffer overflow" condition.
Out Discards This field is not currently used
ATM AAL5 Layer Statistics for each VCC over ADSL interface
Heading Description
VPI/VCI ATM Virtual Path/Channel Identifiers
CRC Errors Number of PDUs received with CRC-32 errors
SAR Timeouts Number of partially re-assembled PDUs that were
discarded because they were not fully re-assembled
within the required period of time. If the re-assembly
time is not supported then, this object contains a zero
value.
Over Sized SDUs Number of PDUs discarded because the corresponding
SDU was too large
Short Packet Errors Number of PDUs discarded because the PDU length was
less than the size of the AAL5 trailer
Length Errors Number of PDUs discarded because the PDU length did
not match the length in the AAL5 trailer