Displaying Pvc Status Information - Extreme Networks BlackDiamond 6800 Installation And User Manual

Table 3-1: Summary of ATM Receive Statistics
Receive Statistics
Cells Received
Cells OAM
Cells Dropped (Congestion)
Cells Dropped (Invalid VCC)
Cells Dropped (HEC)
PDUs Received
PDUs Dropped (CRC)
PDUs Dropped (Oversized)
PDUs Dropped (Other)
Table 3-2 describes the ATM transmit statistics.
Table 3-2: Summary of ATM Transmit Statistics
Receive Statistics
Cells Transmitted
Cells Dropped (Congestion)
PDUs Transmitted

Displaying PVC Status Information

To display status information for a PVC, use the following command:
show atm pvc [<vpi / vci> | all] {vlan <name>} {<portlist>}
You can specify a particular PVC to display information for, or you can specify that
information for all PVCs be displayed.
Asynchronous Transfer Mode (ATM) Module Installation and User Guide
Description
Number of cells received.
Number of Operations, Administration, and Maintenance
(OAM) cells received.
Number of cells dropped due to insufficient buffers.
Number of cells dropped due to invalid VPI/VCI or
AAL-5 header.
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.
Number of PDUs received.
Number of PDUs discarded due to CRC-32 errors.
Number of PDUs discarded because they were too
large. See "Jumbo Frame Support" on page 3-47 for
more details.
PDUs dropped due to an invalid VLAN ID, Spanning
Tree Protocol (STP) state, or invalid encapsulation.
Description
Number of cells transmitted.
Number of cells dropped due to insufficient buffers.
Number of PDUs transmitted.
Configuring and Monitoring ATM Ports
3-11