Appendix B: Frequently Asked Questions
The Frequently Asked Questions addresses common questions regarding A-Link RoadRunner 21
Router settings.
Some of these questions are also found throughout the guide, in the sections to which they reference.
1.
How do I determine if a link between the Ethernet card (NIC) and the A-Link RoadRunner 21
Router have been established? (See network adapter settings in chapter 3)
Ans.
A ping test would determine if a connection is established between your A-Link RoadRunner 21
Router and computer. Using, the ping command, ping the IP address of the A-Link RoadRunner 21
Router, in this case, 10.0.0.2 (default). For more information on Ping Testing, refer to Appendix C:
Troubleshooting Guide. Alternatively, if the Ethernet LINK LED is solidly on, then the Ethernet link
is established.
2.
How do I determine if a link between the A-Link RoadRunner 21 Router and the Internet has
been established?
Ans.
Similar to the previous question, a ping test would determine whether or not a connection is
established. However, this time use a URL instead of and IP Address, such as
.
Alternatively, if the ADSL LED is solidly on, then the ADSL link is established.
3.
How can I find/verify my A-Link RoadRunner 21 Router and/or computer Ethernet MAC
Address?
Ans.
Win98/ME = winipcfg, Win2000/XP = ipconfig /all, RR21 = HOME page.
4.
What is MAC Address?
Ans.
Short for
Me
dia
A
ccess
C
ontrol
Address.
It is a hardware address that uniquely identifies each
node of a Ethernet networking device. This address is usually permanent.
5.
What
is NAT ( Network Address Translation ) and what is it used for?
Ans.
NAT translates multiple IP Address on the private LAN to one public IP Address (in WAN) that is
sent out to the Internet. NAT adds a level security since the IP address of a PC connected to the
private LAN is never transmitted on the Internet.
6.
What
can I do when I am not able to get the web configuration screen for this A-Link
RoadRunner 21 Router?
Ans.
Remove the proxy settings on your Internet Browsers or remove the dial-up settings on your
browser.
A-Link RoadRunner 21 Router
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