D-Link Router N 150 User Manual

57
D-Link GO-RT-N150 User \fanual
Section 6 - Troubleshooting
Troubleshooting
This \fhapter provides solutions to problems that \fan o\f\fur during the installation and operation o\b the D-Link GO-RT-N150.  
Read the \bollowing des\friptions i\b you are having problems. (The examples below are illustrated in Windows
® XP. I\b you have a 
different operating system, the s\freen shots on your \fomputer will look similar \lto the \bollowing examples.)
1. Why can’t I access the web-based configuration...

58
D-Link GO-RT-N150 User \fanual
Section 6 - Troubleshooting
• Configure your Internet settings:
• Go to  Start >  Settings >  Control Panel. Double-\fli\fk the  Internet Options I\fon. From the  Security tab, \fli\fk 
the button to restore the settings to their de\baults.
• Cli\fk the  Connection tab and set the dial-up option to Never Dial a Conne\ftion. Cli\fk the  LAN Settings button. 
Make sure nothing is \fhe\fke\ld. Cli\fk OK. 
• Go to the Ad\banced tab and \fli\fk the b\lutton to restore these...

59
D-Link GO-RT-N150 User \fanual
Section 6 - Troubleshooting
3. Why can’t I connect to certain sites or send and recei\be e-mails when connecting through my router? 
I\b you are having a problem sending or re\feiving e-mail, or \fonne\fting to se\fure sites su\fh as eBay, banking sites, and Hotmail, 
we suggest lowering the MTU in in\frements o\b ten (e.g. 1492, 1482, 1472\l, et\f). 
Note: AOL DSL+ users must us\re \fTU of 1400. 
To find the proper MTU Size, you’ll have to do a spe\fial ping o\b the...

60
D-Link GO-RT-N150 User \fanual
Section 6 - Troubleshooting
 
You should start at 1472 and work your way down by 10 ea\fh time. On\fe you get a reply, go up by 2 until you get a \bragmented 
pa\fket. Take that value and add 28 to the value to a\f\fount \bor the various TCP/IP headers. For example, lets say that 1452 was the 
proper value, the a\ftual MTU size would be 1480, whi\fh is the optimum \bor the network we’re working with (1452+28=1480). 
On\fe you find your MTU, you \fan now \fonfigure your...

61
D-Link GO-RT-N150 User \fanual
Appendix A - Wireless Basics
D-Link  wireless  produ\fts  are  based  on  industry  standards  to  provide  easy-to-use  and  \fompatible  high-speed  wireless 
\fonne\ftivity within your home, business or publi\f a\f\fess wireless networks. Stri\ftly adhering to the IEEE standard, the D-Link 
wireless \bamily o\b produ\fts will allow you to se\furely a\f\fess the data you want, when and where you want it. You will be able 
to enjoy the \breedom that wireless networking...

62
D-Link GO-RT-N150 User \fanual
Appendix A - Wireless Basics
Why D-Link Wireless? 
  
D-Link is the worldwide leader and award winning designer, developer, and manu\ba\fturer o\b networking produ\fts. 
D-Link delivers the per\borman\fe you need at a pri\fe you \fan afford. D-Link has all the produ\fts you need to build 
your network.
How does wireless work? 
  Wireless works similarly to how \fordless phones work; through radio signals transmitting data \brom point A to point B. 
However, wireless...

63
D-Link GO-RT-N150 User \fanual
Appendix A - Wireless Basics
Who uses wireless? 
  
Wireless te\fhnology has be\fome so popular in re\fent years that almost everyone is using it, whether it’s \bor home, 
offi\fe, or business, D-Link has a wireless solution \bor it.
Home• Gives everyone at home broadband a\f\fess
•  Sur\b the web, \fhe\fk e-mail, send instant messages, et\f.
•  Eliminates the need \bor \fables around the house
•  Simple and easy to use
 
Small Office and Home Office • Stay on top o\b...

64
D-Link GO-RT-N150 User \fanual
Appendix A - Wireless Basics
Tips
Here are a \bew things to keep in mind, when you install a wireless network.
Centralize Your Router or Access Point
   Make sure you pla\fe the router/a\f\fess point in a \fentralized lo\fation within your network \bor the best per\borman\fe. 
Try to pla\fe the router/a\f\fess point as high as possible in the room so the signal gets dispersed throughout your 
home. I\b you have a two-story home, you may need a repeater to boost the...

65
D-Link GO-RT-N150 User \fanual
Appendix A - Wireless Basics
There are two basi\f modes o\b net\lworking: 
• Infrastructure – All wireless \flients will \fonne\ft to an a\f\fess point or wireless router.
•  Ad-Hoc – Dire\ftly \fonne\fting to another \fomputer \bor peer-to-peer \fommuni\fation, using wireless network 
adapters on ea\fh \fomputer su\fh as two or more DWM-140 wireless network USB adapters.
An In\brastru\fture network \fontains an a\f\fess point or wireless router. All the wireless...

66
D-Link GO-RT-N150 User \fanual
Appendix B - Networking Basics
Networking Basics
Check your IP address
A\bter  you  install  your  adapter,  by  de\bault,  the TCP/IP  settings  should  be  set  to  obtain  an  IP  address  \brom  a  DHCP  server  (i.e. 
wireless router) automati\fally. To veri\by your IP address, please \bollow the steps below.
Cli\fk on Start > Run. In the run box type cmd and \fli\fk OK. (Windows Vista
® users type  in the Start Search box.)
At the prompt, type ipconfig and press...