4. Monitoring
4-16
March 2005
8335-A2-GB20-A0
ATM Aggregate Statistics Screen
B-E-D
Displays statistics for the selected interface.
Interface Name
– Select the name of the interface (dsl1:1 through dsl16:1 on the
Model 8335, dsl1:1 through dsl12:1 on the Model 8365, or dsl1:1 through dsl24:1 on the
Model 8355, 8375 and 8385).
Total Cells Received
– Total number of ATM cells received from the endpoint.
Total Rx Cells Dropped
– Total number of ATM cells received by the line card that were
dropped due to policing or congestion.
Total Cells Sent
– Total number of ATM cells sent to the endpoint.
Total TX Cells Dropped
– Total number of ATM cells that would have been sent to the
endpoint that were dropped due to congestion.
Corrected HEC
– Number of cells from the customer premises equipment whose
headers were corrected by the line card (Model 8335 only).
Uncorrected HEC
– Number of cells from the customer premises equipment whose
headers contained multiple errors and were dropped.
OCD Events
– Number of Out of Cell Delineation events on the link from the customer
premises equipment.
Unknown Cells
– Number of cells with an unknown VPI and VCI.
VCC Performance Statistics Screen
B-E-E
Displays statistics for the selected Virtual Channel Connection (VCC).
Interface Name
– Select the name of the interface (dsl1:1 through dsl16:1 on the
Model 8335, dsl1:1 through dsl12:1 on the Model 8365, or dsl1:1 through dsl24:1 on the
Model 8355, 8375, and 8385).
VPI
– Virtual Path Identifier of the VCC.
VCI
– Virtual Channel Identifier of the VCC.
Class
– Class of service for this VCC: CBR, rt-VBR, nrt-VBR, or UBR.
Total Cells Received
– Total number of ATM cells received from the endpoint.
Total Rx Cells Dropped
– Total number of ATM cells received by the line card that were
dropped due to policing or congestion.
Total Cells Sent
– Total number of ATM cells sent to the endpoint.
Total TX Cells Dropped
– Total number of ATM cells that would have been sent to the
endpoint or SCM that were dropped due to congestion.
Corrected HEC
– Number of cells received whose headers were corrected by the line
card (Model 8335 only).
Uncorrected HEC
– Number of cells received whose headers contained multiple errors
and were dropped.
OCD Events
– Number of Out of Cell Delineation events on the connection.
Unknown Cells
– Number of cells with an unknown VPI and VCI.
Table 4-3.
Monitoring – ATM Switch (6 of 7)
