Huawei ADSL2+Broadband Router Aolynk DR814 - Manual (Page 70)

User Manual
Aolynk DR811/DR814 ADSL2+Broadband Router
8 Troubleshooting
67
Problem Troubleshooting Suggestion
My changes to
the web pages
are not being
retained. Be sure to confirm all changes by clicking the <Apply> button, and
to enter the Save Configuration page and save the changes
after completing all settings for them to take effect when the router
is powered on again.
8.2 Diagnosing Problem Using IP Utilities
8.2.1 ping
Ping is a command you can use to check whether your PC can recognize other
computers on your network and the Internet. A ping command sends messages to the
computer you specify. If the computer receives the messages, it sends messages in
reply. To use the command, you must know the IP address of the computer with which
you are trying to communicate.
On Windows-based computers, you can execute a ping command from the Start menu.
Click the Start button, and then click Run. In the Open text box, type a statement such
as the following:
ping 192.168.1.1
Click OK. You can substitute any private IP address on your LAN or a public IP address
for an Internet site, if known.
If the target computer receives the messages, a Command Prompt window is
displayed:
Figure 8-1 Using the ping utility
If the target computer cannot be located, you will receive the message Request timed
out.
Using the ping command, you can test whether the path to the ADSL router is working
(using the preconfigured default LAN IP address 192.168.1.1) or another address you
assigned.
You can also test whether access to the Internet is working by typing an external
address, such as that for www.yahoo.com (216.115.108.243). If you do not know the IP