3Com 3CRFW102 User Manual page 23

Running the 3Com DOS
Diagnostics Program
A DNS server running on the same network with TCP/IP properties configured for
the DNS server.
To run the Network test:
1 On the Diagnostics screen, click Run Network Test.
The Network Connectivity Test screen appears.
2 Click Start.
3 If the test passes, the network card connection to the network is functioning
correctly.
4 Click Close.
5 If the test fails:
Make sure that the network card is properly connected to the network
n
cable.
Make sure that the hub or switch to which the network card is connected is
n
powered on.
Make sure that the cable complies with the proper length and specifications
n
for your network.
Running the Network Interface Card Test
Run the Network Interface Card Test to check the physical components,
connectors, and circuitry on the network card.
1 On the Diagnostics screen, click Run NIC Test.
The NIC Test screen appears.
2 Click Perform NIC Test.
While the test is running, a progress bar indicates test progress.
If the test passes, the network card is functioning correctly.
If the test fails, a message indicates the error type. Click Help in the error message
screen to obtain more information.
3 Click Close.
1 Reboot the computer using a DOS-bootable disk.
CAUTION: If you are running Japanese DOS, you must switch to U.S. mode
DOS before running the 3Com DOS diagnostics program.
2 Insert the 3Com Firewall PC Card with 10/100 LAN Installation CD in the CD-ROM
drive.
3 At the DOS prompt, enter the following command:
d:\3c99xcfg.exe
where d:\ indicates the drive location of the 3Com Firewall PC Card with 10/100
LAN Installation CD.
3Com Diagnostics 19