show atm
ExtremeWare Software 7.3.0 Command Reference Guide 1623
show atm
show atm {<portlist>}
Description
This command displays ATM port status.
Syntax Description
Default
None.
Usage Guidelines
You can use the optional
portlist
parameter to narrow the range of status information the command
displays; otherwise, the command displays the status information for all ports.
By default, the command displays a summary of status information for the specified ports.
The summary of status information includes the following information for each port:
• Values of all port configuration parameters
• Port state
• ATM statistics
The detailed status information includes the summary information plus any ATM statistics. Table 29
describes the ATM receive statistics, and Table 30 describes the ATM transmit statistics.
portlist Specifies list of ports or slots and ports. May be in the form 1, 2, 3-5,
2:5, 2:6-2:8.
Table 29: Summary of ATM Receive Statistics
Receive Statistics Description
Cells Received Number of cells received.
Cells OAM Number of Operations, Administration, and Maintenance
(OAM) cells received.
Cells Dropped (Congestion) Number of cells dropped due to insufficient buffers.
Cells Dropped (Invalid VCC) Number of cells dropped due to invalid VPI/VCI or
AAL-5 header.
Cells Dropped (HEC) Number of cells dropped with Header Error Control
(HEC) errors. HEC is an 8 bit cyclic redundancy check
(CRC) computed on all fields in an ATM header and
capable of detecting bit errors. HEC is used for cell
delineation.
PDUs Received Number of PDUs received.
PDUs Dropped (CRC) Number of PDUs discarded due to CRC-32 errors.
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