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N300 Wireless Gigabit Router WNR3500Lv2 User Manual 
Safeguarding Your Network
2-3
v1.0, April 2011
Wireless Security Options
Computers can connect over a 802.11g or 802.11n network at a range of up to 300 feet. Such 
distances can allow for others outside your immediate area to access your network.
Unlike wired network data, your wireless data transmissions can extend beyond your walls and 
can be received by anyone with a compatible adapter. For this reason, use the security features of 
your wireless equipment. The WNR3500Lv2 router provides highly effective security features 
which are covered in detail in this chapter. Deploy the security features appropriate to your needs.
There are several ways you can enhance the security of your wireless network:
• WEP. Wired Equivalent Privacy (WEP) data encryption provides data security. WEP Shared 
Key authentication and WEP data encryption block all but the most determined eavesdropper. 
This data encryption mode has been superseded by WPA-PSK and WPA2-PSK.
• WPA-PSK (TKIP), WPA2-PSK (AES). Wi-Fi Protected Access (WPA) using a pre-shared 
key to perform authentication and generate the initial data encryption keys. The very strong 
authentication along with dynamic per frame re-keying of WPA makes it virtually impossible 
to compromise. 
For more information about wireless technology, see the link to the online document in 
.
Figure 2-1
1. Open system: Easy, but
no security
2. WEP: Security, but some
performance impact
3. WPA-PSK: Strong security
4. WPA-2-PSK: Very strong 
security