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FDDI Management
4-10 Performance
Performance
The Performance window, Figure 4-5, provides graphical and numeric
performance statistics for the selected SMT entity, including:
• Transmit Frames
• Receive Frames
• Frame Errors
• Lost Frames
• Ring Ops
Figure 4-5. Performance Window
Statistics are displayed in three ways:
• By count (i.e., the number detected of each for the selected interval).
• By rate (i.e., the number of each per second, as averaged over the selected
interval).
• Graphically, as a percentage of each with respect to total network load
processed by the selected interface during the last interval (e.g., a transmit
frames rate of 75% during a delta interval indicates that of all frames processed
by the selected interface, 75% were transmitted by that interface).
You can view performance for three different intervals:
• Absolute — Counts recorded since the selected module was last started.
• Cumulative — Counts recorded since the Performance window was opened.
• Delta — Counts recorded during a single polling interval that is set for
SPECTRUM Element Manager (refer to the Installing and Using... guide for
information on setting polling intervals).
To change the interval, click to select the desired radio button in the Count
Display panel in the top right hand corner of the window.