D-Link Router DIR-506L User Manual

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Section 8 - Troubleshooting
3. Why can’t I connect to certain sites or send and receive emails when connecting through my router? 
If you are having a problem sending or receiving email, or connecting to secure sites such as eBay, banking sites, and Hotmail, 
we suggest lowering the MTU in increments of ten (Ex. 1492, 1482, 1472, etc). 
To find the proper MTU Size, you’ll have to do a special ping of the destination you’re trying to go to. A destination could be 
another...

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Section 8 - Troubleshooting
You should start at 1472 and work your way down by 10 each time. Once you get a reply, go up by 2 until you get a fragmented 
packet. Take that value and add 28 to the value to account for the various TCP/IP headers. For example, lets say that 1452 was the 
proper value, the actual MTU size would be 1480, which is the optimum for the network we’re working with (1452+28=1480). 
Once you find your MTU, you can now configure your router with the...

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Appendix A - Wireless Basics
D-Link  wireless  products  are  based  on  industry  standards  to  provide  easy-to-use  and  compatible  high-speed  wireless 
connectivity within your home, business or public access wireless networks. Strictly adhering to the IEEE standard, the D-Link 
wireless family of products will allow you to securely access the data you want, when and where you want it. You will be able 
to enjoy the freedom that wireless networking delivers.
A...

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Appendix A - Wireless Basics
What is Wireless?
Wireless or Wi-Fi technology is another way of connecting your computer to the network without using wires. Wi-Fi uses radio 
frequency to connect wirelessly, so you have the freedom to connect computers anywhere in your home or office network.
Why D-Link Wireless? 
  
D-Link is the worldwide leader and award winning designer, developer, and manufacturer of networking products. D-Link 
delivers the performance you need at a...

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Appendix A - Wireless Basics
Wireless Personal Area Network (WPAN)
Bluetooth is the industry standard wireless technology used for WPAN. Bluetooth devices in WPAN operate in a range up to 
30 feet away.
Compared to WLAN the speed and wireless operation range are both less than WLAN, but in return it doesn’t use nearly as 
much power which makes it ideal for personal devices, such as mobile phones, PDAs, headphones, laptops, speakers, and other 
devices that operate on...

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Appendix A - Wireless Basics
Where is wireless used? 
  
Wireless technology is expanding everywhere not just at home or office. People like the freedom of mobility and it’s becoming 
so popular that more and more public facilities now provide wireless access to attract people. The wireless connection in public 
places is usually called “hotspots”.
Using a D-Link Cardbus Adapter with your laptop, you can access the hotspot to connect to Internet from remote locations 
like:...

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Appendix B - Networking Basics
Networking Basics
Check your IP address
After you install your new D-Link adapter, by default, the TCP/IP settings should be set to obtain an IP address from a DHCP 
server (i.e. wireless router) automatically. To verify your IP address, please follow the steps below.
Click on Start > Run. In the run box type cmd and click OK. (Windows® 7/Vista® users type cmd in the Start Search box.)
At the prompt, type ipconfig and press Enter.
This will...

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Appendix B - Networking Basics
Assign a Static IP address
If you are not using a DHCP capable gateway/router, or you need to assign a static IP address, please follow the steps below:
Step 1
Windows® 7 -  Click on Start > Control Panel > Network and Internet > Network and Sharing Center.
Windows Vista® -  Click on Start > Control Panel  > Network and Internet  > Network and Sharing Center  > Manage Network
      Connections.
Windows® XP -  Click on Start > Control Panel >...

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Appendix C - Technical Specifications
Technical Specifications
Standards
  • IEEE 802.11g, compatible with 802.11n devices
  • IEEE 802.3
  • IEEE 802.3u
Wireless Modes
  • Router/AP Mode
  • Repeater Mode
  • Wi-Fi Hot Spot Mode
Wireless Frequency Range 
1
  • 2.4 GHz to 2.4835 GHz
Antennas
  • Internal Antenna
Security
  • Wi-Fi Protected Access (WPA/WPA2)
  • WPS™ (PBC) 
Advanced Features
  • SharePort™ Mobile app for iOS 
2
 • VPN pass-through
  • Guest Zone Support
  •...

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Appendix D - GPL Code Statement
GPL Code Statement
This D-Link product includes software code developed by third parties, including software code subject to the GNU General 
Public  License  (“GPL”)  or  GNU  Lesser  General  Public  License  (“LGPL”).    As  applicable,  the  terms  of  the  GPL  and  LGPL,  and 
information on obtaining access to the GPL code and LGPL code used in this product, are available to you at:
http://tsd.dlink.com.tw/GPL.asp
The GPL code and LGPL...