Linksys WRT400N User Manual

Table of Contents
ii
Simultaneous Dual-Band Wireless-N Router
Chapter 1: Product Overview 1
Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 2: Wireless Security Checklist 3
General Network Security Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Additional Security Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 3: Advanced Conguration 4
Setup > Basic Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Setup > MAC Address Clone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Setup > Advanced Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Wireless > Basic Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Wireless > Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wireless > Wireless MAC Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Wireless > Advanced Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Security > Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Security > VPN Passthrough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Access Restrictions > Internet Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Applications and Gaming > Port Range Forwarding . . . . . . . . . . . . . . . . . . . . . . .18
Applications & Gaming > Port Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Applications and Gaming > DMZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Applications and Gaming > QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Administration > Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Administration > Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Administration > Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Administration > Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Administration > Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Status > Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Status > Local Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Status > Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Appendix A: Troubleshooting 26
Appendix B: Specications 27
Appendix C: Warranty Information 28
Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Exclusions and Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Obtaining Warranty Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Linksys WRT400N Specifications

Operating Environment

operating temperature	32 to 104°F (0 to 40°C)
storage temperature	-4 to 158°F (-20 to 70°C)
operating humidity	10 to 85%, Noncondensing

Power

power	12V, 1.5A
ports	Power, Ethernet, Internet
button	Reset, Wi-Fi Protected Setup

Wireless Specifications

standards	Draft 802.11n, 802.11a, 802.11g, 802.11b, 802.3, 802.3u
modulations	802.11b: CCK, QPSK, BPSK; 802.11g: OFDM; 802.11a: OFDM; Wireless-N: BPSK, QPSK, 16-QAM, 64-QAM
streams	Two Spatial Streams for Transmitting and Receiving in 2.4 GHz and 5 GHz Radio Band

Security

security features	WEP, WPA, WPA2
wep key bits	Up to 128-Bit Encryption
receive sensitivity 2.4GHz	11Mbps: -88 dBm @ Typical, 54Mbps: -72 dBm @ Typical, MCS15 (20MHz): -68 dBm @ Typical, MCS15 (40MHz): -65 dBm @ Typical

Weight and Dimensions

dimensions	8.07" x 1.38" x 6.30" (205 x 35 x 160 mm)
weight	1.01 lb (460 g)
number of antennas	4 Total, 2 Internal Antennas per Each 2.4 GHz & 5 GHz Radio Band