3Com Baseline 2928 PWR Plus User Manual page 410

Figure 1-10 Configure RADIUS parameters
Select extended as the server type.
Select the Authentication Server Shared Key check box and enter expert in the text box.
Enter expert in the Confirm Authentication Shared Key text box.
Select the Accounting Server Shared Key check box and enter expert in the text box.
Enter expert in the Confirm Accounting Shared Key text box.
Select without-domain for Username Format.
Click Apply
3) Configure AAA
# Create an ISP domain.
From the navigation tree, select Authentication > AAA. The domain setup page appears.
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