HP Embedded Firewall Series Instrukcja Użytkownika Pobierz pdf (Strona 70)

13 Running NIC Diagnostics

Viewing the NIC LEDs in the 3Com Diagnostics Program

To view the LEDs in the 3Com NIC Diagnostics program:

1 Make sure that the NIC, the network driver, and the 3Com NIC Diagnostics program

are installed.

2 Open the Windows Start menu.

3 Select Programs, and then 3Com NIC Utilities.

4 Click 3Com NIC Doctor.

The 3Com NIC Diagnostics General screen appears and displays the following LEDs:

• Link—lights if there is a valid connection between the NIC and the network.

• Transmit—lights if the NIC is transmitting information.

• Receive—lights if the NIC is receiving information.

Viewing Network Statistics

To view statistical information about the network:

1 Make sure that the NIC, the network driver, and the 3Com NIC Diagnostics program

are installed.

2 Open the Windows Start menu.

3 Select Programs, and then 3Com NIC Utilities.

4 Click 3Com NIC Doctor.

The 3Com NIC Diagnostics General screen appears.

5 Click the Statistics tab.

The Statistics screen appears, providing numerical data for a variety of network

events, such as: packets transmitted, bytes transmitted, late collisions, and so forth.

The information is updated by the NIC driver every five seconds.

For a description of each statistic, click the question mark (?) in the upper right corner

of the screen, drag it over a statistic and click once. A pop-up box appears, displaying

information about the statistic.

6 Click OK to exit the diagnostics program. To go to another diagnostics screen, click

the appropriate tab.

Using the 3Com Icon in the Windows System Tray

The 3Com icon, which can be enabled to appear in the Windows system tray, allows you

to start the 3Com NIC Diagnostics program. It also allows you to view the NIC’s link speed

and number of frames sent and received.

NOTE: For instructions on interpreting the NIC LEDs, see “Interpreting the NIC

LEDs” on page 51.

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HP Embedded Firewall Series Instrukcja Użytkownika Strona 70