Chapter 14 Troubleshooting
NSA-220 Plus User’s Guide
284
• Make sure the NSA is turned on.
• If you are trying to login directly by typing the server name into your web
browser’s address field, make sure you are using the correct server name as the
web site address.
• The default server name is nsa220plus, if you have changed the server
name, use the new one.
• If the server name has been changed and you do not know the new server
name, see the troubleshooting suggestions for I forgot the server name of the
NSA.
• If it still doesn’t work, try using the NDU.
• Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and Section 1.1.1 on page 23.
• By default, the NSA gets an IP address automatically. The NSA assigns itself an
IP address if no device assigns one. If your computer is also set to get an IP
address automatically, the computer and the NSA can both assign themselves IP
addresses and communicate. See Chapter 6 on page 125 if you need to
configure the NSA with a static IP address.
• Make sure your computer’s IP address is in the same subnet as the NSA’s IP
address. You can use the NDU to find the NSA’s IP address. See Appendix A on
page 303 for how to change your computer’s IP address. Skip this if you know
that there are routers between your computer and the NSA.
• Ping the NSA from your computer. Make sure your computer’s Ethernet adapter
is installed and functioning properly. In a (Windows) computer, click Start, (All)
Programs, Accessories and then Command Prompt. In the Command
Prompt window, type “ping” followed by the NSA’s IP address (use the NDU to
find the NSA’s IP address if you don’t know it) and then press [ENTER].
• Make sure you are using Internet Explorer 6.0 (and later) or Firefox 1.07 (and
later).
• Make sure your Internet browser does not block pop-up windows and has
JavaScripts and Java enabled. See Appendix B on page 319. With Internet
Explorer 6, you may also have to enable scripting of safe ActiveX controls. See
Section 14.3.2 on page 285.
14.3.1 Reset the NSA
If you forget your password or cannot access the web configurator, use the RESET
button at the rear of the NSA. When you use the following reset procedure, the
system name and admin password are returned to the factory defaults.
You may need to close and re-open the NDU to discover the NSA. This is because
the NSA automatically re-acquires IP address information, so its IP address may
change since. If no IP address information is assigned, the NSA uses Auto-IP to
assign itself an IP address and subnet mask. For example, you could connect the
NSA directly to your computer. If the computer is also set to get an IP address
automatically, the computer and the NSA will choose addresses for themselves
and be able to communicate.
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