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The 9A128-01 Module View
2-8 Viewing Module Information
• Module Type..., which brings up a window containing a description of the
9A128-01 board; see Viewing Hardware Types, page 2-13.
• Performance Graph..., which visually displays performance between all
bridging ports on the 9A128-01; see Chapter 5, Bridging.
• Spanning Tree..., which allows you to set bridge parameters when it is
operating using the Spanning Tree Algorithm (STA) – the method that bridges
use to decide the controlling (root) bridge when two or more bridges are
installed in parallel; see Chapter 5, Bridging, for more information.
• Filtering Database..., which allows you to monitor and manage bridge
forwarding and filtering across each port of the 9A128-01; see Chapter 5 for
details.
• Duplex Modes..., which allows you to set Duplex Mode operation for
standard Ethernet interfaces on your 2E42; see Chapter 5, Bridging.
• Enable/Disable Bridge, which enables or disables bridging across the entire
9A128-01.
The menu accessed from the FNB label provides only the Module Type option.
The Port Menus
The port menu selections vary according to the port’s functionality. The menu for
the two bridging ports offers the following selections:
• Performance Graph..., which brings up windows that visually display
bridging performance at the selected port; see Chapter 5, Bridging, for details.
• Source Addressing..., which launches a window displaying the MAC
addresses of all devices communicating through the selected bridging
interface; see Chapter 5, Bridging, for details.
• I/F Statistics..., which launches a Statistics window, which displays interface
statistics for the port; see Chapter 5, Bridging for details.
• Enable/Disable, which administratively turns the selected bridging port on or
off; see Enabling and Disabling Ports, page 2-21, for more information.
The FDDI port menus offer only two selections: Enable Port, and Disable Port.
Note that you can enable and disable the A and B ports separately, if you wish;
disabling only one of the pair, however, will cause a wrap condition.
Port Status Displays
When you open the Module View, each bridge port on the 9A128-01 will by
default display the bridge port state (defined below); to change the bridge port
status display, select the Bridge option on the Port Status menu, and drag right to
select one of the available bridge port status display options; as described below.