Netgear WNDR3400 User Manual Page 104

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N600 Wireless Dual Band Router WNDR3400 User Manual
Fine-Tuning Your Network 6-6
v1.0, August 2010
Microwave ovens (no closer than 10 feet)
Choose your settings.
Use a scanning utility to determine what other wireless networks are operating nearby, and
choose an unused channel.
Turn off SSID broadcast, and change the default SSID. Other nearby devices might
automatically try to connect to your network several times a second, which can cause
significant performance reduction.
Set WPA2-PSK (AES) security to achieve the best wireless performance and the best security.
Use WMM to improve the performance of voice and video traffic over the wireless link.
Changing the MTU Size
The Maximum Transmission Unit (MTU) is the largest data packet a network device transmits.
When one network device communicates across the Internet with another, the data packets travel
through many devices along the way. If any device in the data path has a lower MTU setting than
the other devices, the data packets must be split or “fragmented” to accommodate the one with the
smallest MTU.
The best MTU setting for NETGEAR equipment is often just the default value, and changing the
value might fix one problem but cause another. Leave MTU unchanged unless one of these
situations occurs:
You have problems connecting to your ISP or other Internet service, and the technical support
of either the ISP or NETGEAR recommends changing the MTU setting. These might require
an MTU change:
A secure website that won’t open, or displays only part of a Web page
Yahoo e-mail
MSN
America Online’s DSL service
You use VPN and have severe performance problems.
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