User`s manual

User’s Manual Chapter 5 Performance Management
RV-EMS/NGN LA-210 Viewing OAM (CFM) Statistics 5-21
Table 5-9. Errors Dialog Box Parameters
Parameter Possible Values / Remarks
FCS Errors The number of frames with FCS errors received by the selected port.
Single Collisions The number of transmission attempts that experienced a single collision.
Multiple Collisions The number of transmission attempts that experienced multiple collisions.
Total Collisions The number of all transmission attempts that experienced a collision.
Tx Deferred
Transmissions
The number of transmission attempts deferred in order to avoid a collision.
Tx Late Collisions The number of transmission attempts that experienced late collisions.
Tx Congestion Dropped
Frames
The number of frames discarded due to a lack of buffer space.
Clearing All Statistics
1. In the View window, select the desired port.
2. On the menu bar, click Statistics > Clear All Statistics and confirm your
request.
All statistics of the selected port are cleared.
5.4 Viewing OAM (CFM) Statistics
You can display end-to-end connectivity and performance monitoring data for the
existing flows and the associated services. The statistics are available for the 15-
minute and 24-hour periods.
Accessing the OAM (CFM) Statistics Dialog
This section explains how to access the OAM (CFM) Statistics Dialog from where
you can choose the desired statistics.
³ To access the OAM (CFM) Statistics:
1. In the LA-210 View window, select the system.
2. On the menu bar, click Statistics > OAM (CFM.
The OAM (CFM) Statistics dialog appears.
3. Select the desired service as illustrated in
Figure 5-16 .
4. Click <Statistics> and choose the desired option from the menu.