User`s guide

Using the STS16-20 Chassis View
2-12 Viewing Chassis Information
Viewing I/F Summary Information
The I/F Summary option displays statistics for the trafÞc processed by each
network interface on your device. The I/F Summary window also provides access
to a detailed statistics window via the Detail button that breaks down transmit
and receive trafÞc for each interface.
To open the I/F Summary window:
1. Click on Device on the Chassis View menu bar to access the Device menu.
2. Click on I/F Summary. The I/F Summary window, as shown in Figure 2-8, will
appear.
Figure 2-8. I/F Summary Window
The I/F Display section lets you view descriptive information for each interface.
The two drop-down lists (in the upper right corner) are used to display interface
performance statistics and, where applicable, bar graphs. The Detail button
provides additional statistics on the transmit and receive trafÞc for each interface.
NOTE
The I/F Display section for the STS16-20 lists interface information for each of the 20
built-in ports, followed by any installed SSIMs, and internal interfaces. When two or
more STS16-20 SmartSTACK switches are stacked together, the I/F Display section will
list the interfaces for each switch in the stack as described previously.
You can select the
type of statistic and
the unit of measure
displayed.
Base Unit displays
the statistical unit as
Load, Raw Counts,
or Rate.
Measurement
parameter displays
the selected
statistical unit.
The Detail button launches
the I/F Statistics window.
The I/F Display section lets you view
descriptive information for each interface.