Cisco Linksys WRT300N User Manual
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Cisco Linksys WRT300N User Manual

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2.4
GHz
Wireless-N
Broadband Router
User Guide
WIRELESS
WRT300N
Model No.

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Summary of Contents for Cisco Linksys WRT300N

  • Page 1 Wireless-N Broadband Router User Guide WIRELESS WRT300N Model No.
  • Page 2 Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2006 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.

  • Page 3: Table Of Contents

    Wireless-N Broadband Router Table of Contents Chapter 1: Introduction Welcome What’s in this User Guide? Chapter 2: Planning Your Wireless Network Network Topology Ad-Hoc versus Infrastructure Mode Network Layout Chapter 3: Getting to Know the Wireless-N Broadband Router The Back Panel The Front Panel The Top Panel Chapter 4: Connecting the Wireless-N Broadband Router...
  • Page 4 Wireless-N Broadband Router The Administration Tab - Management The Administration Tab - Log The Administration Tab - Diagnostics The Administration Tab - Factory Defaults The Administration Tab - Firmware Upgrade The Status Tab - Router The Status Tab - Local Network The Status Tab - Wireless Appendix A: Troubleshooting Common Problems and Solutions...
  • Page 5 Wireless-N Broadband Router List of Figures Figure 3-1: The Router’s Back Panel Figure 3-2: The Router’s Front Panel Figure 3-3: The Router’s Top Panel Figure 4-1: Connect the Modem Figure 4-2: Connect a PC Figure 4-3: Connect the Power Figure 5-1: Router Login Figure 5-2: Setup Tab - Basic Setup (Automatic Configuration - DHCP) Figure 5-3: Static IP Figure 5-4: PPPoE...
  • Page 6 Wireless-N Broadband Router Figure 5-26: Access Restrictions Tab - Internet Access Policy Figure 5-27: Summary Figure 5-28: List of PCs Figure 5-29: Applications & Gaming Tab - Single Port Forwarding Figure 5-30: Applications & Gaming Tab - Port Range Forwarding Figure 5-31: Applications &...

  • Page 7: Chapter 1: Introduction Welcome

    Wireless-N Broadband Router Chapter 1: Introduction Welcome Thank you for choosing the Linksys Wireless-N Broadband Router. The Wireless-N Broadband Router will allow you to network wirelessly better than ever, sharing Internet access, files and fun, easily and securely and with a greater range of up to three times farther than standard Wireless-G.

  • Page 8: What's In This User Guide

    Wireless-N Broadband Router What’s in this User Guide? This user guide covers the steps for setting up and using the Wireless-N Broadband Router. • Chapter 1: Introduction This chapter describes the Router’s applications and this User Guide. • Chapter 2: Planning Your Wireless Network This chapter describes the basics of wireless networking.
  • Page 9 Wireless-N Broadband Router • Appendix G: Specifications This appendix provides the technical specifications for the Router. • Appendix H: Warranty Information This appendix supplies the warranty information for the Router. • Appendix I: Regulatory Information This appendix supplies the regulatory information regarding the Router. •...

  • Page 10: Chapter 2: Planning Your Wireless Network

    Wireless-N Broadband Router Chapter 2: Planning Your Wireless Network Network Topology A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that each computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN share the same frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the ssid (service set identifier): your wireless network’s name.
  • Page 11 Wireless-N Broadband Router desktop computers, and USB adapters for your USB connectivity needs. The Router can also communicate with other devices, such as wireless print servers and bridges. When you wish to connect your wireless network to your wired network, you can use the Router’s four local Ethernet ports.

  • Page 12: Chapter 3: Getting To Know The Wireless-N Broadband Router

    Wireless-N Broadband Router Chapter 3: Getting to Know the Wireless-N Broadband Router The Back Panel The Router's ports, where the cables are connected, and Reset button are located on the back panel. Figure 3-1: The Router’s Back Panel INTERNET The Internet port is where you will connect your broadband modem. ETHERNET 1, 2, 3, 4 These ports (1, 2, 3, 4) connect the Router to your wired PCs and other Ethernet network devices.

  • Page 13: The Front Panel

    Wireless-N Broadband Router The Front Panel The Router’s LEDs are located on the front panel. Figure 3-2: The Router’s Front Panel POWER Green. The POWER LED lights up and will stay on while the Router is powered on. ETHERNET 1, 2, 3, 4 Green. These numbered LEDs, corresponding with the numbered ports on the Router’s back panel, serve two purposes.

  • Page 14: Chapter 4: Connecting The Wireless-N Broadband Router

    Wireless-N Broadband Router Chapter 4: Connecting the Wireless-N Broadband Router Hardware Installation 1. Make sure that all of your hardware is powered off, including the broadband modem and PCs. 2. Connect your broadband modem’s Ethernet cable to the Router’s Internet port. 3.

  • Page 15: Chapter 5: Configuring The Wireless-N Broadband Router

    Wireless-N Broadband Router Chapter 5: Configuring the Wireless-N Broadband Router Overview Linksys recommends using the Setup CD-ROM for first-time installation of the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, then you can use the Web-based Utility to configure the Router. For advanced users, you may configure the Router’s advanced settings through the Web-based Utility.
  • Page 16 Wireless-N Broadband Router • Wireless MAC Filter. Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network’s radius. • Advanced Wireless Settings. For advanced users, you can alter data transmission settings on this screen. Security •...

  • Page 17: How To Access The Web-Based Utility

    Wireless-N Broadband Router Status • Router. This screen provides status information about the Router. • Local Network. This provides status information about the local network. • Wireless Network. This provides status information about the wireless network. How to Access the Web-based Utility To access the Web-based Utility of the Router, launch Internet Explorer or Netscape Navigator, and enter the Router’s default IP address, 192.168.1.1, in the Address field.

  • Page 18: Figure 5-3: Static Ip

    Wireless-N Broadband Router Static IP If you are required to use a permanent IP address, then select Static IP. Internet IP Address. This is the IP address that the Router has, when seen from the Internet. Your ISP will provide you with the IP address you need to specify here. Subnet Mask.

  • Page 19: Figure 5-5: Pptp

    Wireless-N Broadband Router PPTP Point-to-Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe and Israel only. Server IP Address. This is the IP address that the Router has, when seen from the Internet. Your ISP will provide you with the IP address you need to specify here.

  • Page 20: Figure 5-7: L2Tp

    Wireless-N Broadband Router L2TP Layer 2 Tunneling Protocol (L2TP) is a service that tunnels Point-to-Point Protocol (PPP) across the Internet. It is used mostly in European countries. Check with your ISP for the necessary setup information. Server IP Address. This is the IP address that the Router has, when seen from the Internet. Your ISP will provide you with the IP address you need to specify here.
  • Page 21 Wireless-N Broadband Router Network Setup The Network Setup section allows you to change the Router’s local network settings. Router IP The Router’s Local IP Address and Subnet Mask are shown here. In most cases, you should keep the defaults. Local IP Address. The default value is 192.168.1.1. Subnet Mask.

  • Page 22: Figure 5-8: Dhcp Reservation

    Wireless-N Broadband Router DHCP Reservation. Click the DHCP Reservation button if you want to assign a fixed local IP address to a MAC address. You will see a list of DHCP clients with the following information: Client Name, Interface, IP Address, and MAC Address.

  • Page 23: The Setup Tab - Ddns

    Wireless-N Broadband Router The Setup Tab - DDNS The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other server behind the Router.

  • Page 24: Figure 5-10: Setup Tab - Ddns (Tzo.com)

    Wireless-N Broadband Router TZO.com E-mail Address, TZO Password, and Domain Name. Enter the settings of the account you set up with TZO. Internet IP Address. The Router’s Internet IP address is displayed here. Because it is dynamic, it will change. Status.

  • Page 25: The Setup Tab - Mac Address Clone

    Wireless-N Broadband Router The Setup Tab - MAC Address Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification, like a social security number. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not wish to re-register the MAC address with your ISP, you may assign the MAC address you have currently registered with your ISP to the Router with the MAC Address Clone feature.

  • Page 26: The Setup Tab - Advanced Routing

    Wireless-N Broadband Router The Setup Tab - Advanced Routing The Advanced Routing screen allows you to configure the dynamic and static routing settings. Advanced Routing If this Router is hosting your network’s connection to the Internet, select Enabled. If another Router exists on your network, select Disabled.

  • Page 27: Figure 5-13: Routing Table

    Wireless-N Broadband Router Show Routing Table. Click the Show Routing Table button to open a screen displaying how data is routed through your local network. For each route, the Destination LAN IP address, Subnet Mask, Gateway, and Interface are displayed. Click the Refresh button to update the information. Click the Close button to exit this screen. When you have finished making changes to this screen, click the Save Settings button to save the changes, or click the Cancel Changes button to undo your changes.

  • Page 28: The Wireless Tab - Basic Wireless Settings

    Wireless-N Broadband Router The Wireless Tab - Basic Wireless Settings The basic settings for wireless networking are set on this screen. Basic Wireless Settings Network Mode. If you have wireless devices in your network, keep the default setting, Mixed. If you do not have any wireless devices in your network, select Disable.

  • Page 29: The Wireless Tab - Wireless Security

    Wireless-N Broadband Router The Wireless Tab - Wireless Security These settings configure the security of your wireless network. There are six wireless security modes supported by the Router: PSK-Personal, PSK2-Personal, PSK-Enterprise, PSK2-Enterprise, RADIUS, and WEP. (PSK stands for Pre-Shared Key, which is stronger than WEP encryption. WEP stands for Wired Equivalent Privacy, while RADIUS stands for Remote Authentication Dial-In User Service.) For details on configuring wireless security for the Router, turn to “Appendix B: Wireless Security.”...

  • Page 30: Figure 5-17: Wireless Security - Psk-Enterprise

    Wireless-N Broadband Router PSK-Enterprise This option features PSK used in coordination with a RADIUS server. (This should only be used when a RADIUS server is connected to the Router.) Encryption. Select the algorithm(s) you want to use, TKIP or AES. (AES is a stronger encryption method than TKIP.) RADIUS Server.

  • Page 31: Figure 5-19: Wireless Security - Radius

    Wireless-N Broadband Router RADIUS This option features WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is connected to the Router.) RADIUS Server. Enter the IP address of your RADIUS server. RADIUS Port. Enter the port number of your RADIUS server. Shared Key.

  • Page 32: The Wireless Tab - Wireless Mac Filter

    Wireless-N Broadband Router The Wireless Tab - Wireless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network’s radius. Wireless MAC Filter To filter wireless users by MAC Address, either permitting or blocking access, click Enabled. If you do not wish to filter users by MAC Address, select Disabled.

  • Page 33: The Wireless Tab - Advanced Wireless Settings

    Wireless-N Broadband Router The Wireless Tab - Advanced Wireless Settings This tab is used to set up the Router’s advanced wireless functions. These settings should only be adjusted by an expert administrator as incorrect settings can reduce wireless performance. Advanced Wireless AP Isolation.
  • Page 34 Wireless-N Broadband Router Beacon Interval. Enter a value between 20-1000 milliseconds. The Beacon Interval value indicates the frequency interval of the beacon. A beacon is a packet broadcast by the Router to synchronize the wireless network. The default value is 100. DTIM Interval.

  • Page 35: The Security Tab - Firewall

    Wireless-N Broadband Router The Security Tab - Firewall The Firewall screen offers a firewall and filters that block specific Internet data types. Firewall Firewall Protection. A firewall enhances network security and uses Stateful Packet Inspection (SPI) for more detailed review of data packets entering your network. Select Enabled to use a firewall, or Disabled to disable it. Internet Filter Filter Anonymous Internet Requests.

  • Page 36: The Security Tab - Vpn Passthrough

    Wireless-N Broadband Router The Security Tab - VPN Passthrough The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the Router. VPN Passthrough IPSec Passthrough. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure exchange of packets at the IP layer.

  • Page 37: The Access Restrictions Tab - Internet Access Policy

    Wireless-N Broadband Router The Access Restrictions Tab - Internet Access Policy The Internet Access Policy screen allows you to block or allow specific kinds of Internet usage and traffic, such as Internet access, designated services, websites, and inbound traffic during specific days and times. Internet Access Policy Access Policy.

  • Page 38: Figure 5-28: List Of Pcs

    Wireless-N Broadband Router 7. You can block websites with specific URL addresses. Enter each URL in a separate field next to Website Blocking by URL Address. 8. You can also block websites using specific keywords. Enter each keyword in a separate field next to Website Blocking by Keyword.

  • Page 39: The Applications & Gaming Tab - Single Port Forwarding

    Wireless-N Broadband Router The Applications & Gaming Tab - Single Port Forwarding When you click the Applications & Gaming tab, you will see the Single Port Forwarding screen. You can customize port services for common applications on this screen. When users send these types of requests to your network via the Internet, the Router will forward those requests to the appropriate servers (computers).

  • Page 40: The Applications & Gaming Tab - Port Range Forwarding

    Wireless-N Broadband Router The Applications & Gaming Tab - Port Range Forwarding Port range forwarding sets up public services on your network, such as web servers, ftp servers, e-mail servers, or other specialized Internet applications. (Specialized Internet applications are any applications that use Internet access to perform functions such as videoconferencing or online gaming.

  • Page 41: The Applications & Gaming Tab - Port Range Triggering

    Wireless-N Broadband Router The Applications & Gaming Tab - Port Range Triggering This screen instructs the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by the Router, so that when the requested data returns through the Router, the data is sent to the proper computer by way of IP address and port mapping rules.

  • Page 42: The Applications & Gaming Tab - Dmz

    Wireless-N Broadband Router The Applications & Gaming Tab - DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special-purpose service such as Internet gaming and videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port Range Forwarding is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer to the Internet.

  • Page 43: The Applications And Gaming Tab - Qos

    Wireless-N Broadband Router The Applications and Gaming Tab - QoS Quality of Service (QoS) ensures better service to high-priority types of network traffic, which may involve demanding, real-time applications, such as videoconferencing. QoS (Quality of Service) Wireless The Router features Wi-Fi Multimedia (WMM™) Support. The No Acknowledgement feature is available only when the WMM Support feature is enabled.

  • Page 44: Figure 5-35: Qos - Applications (Add A New Application)

    Wireless-N Broadband Router Add a New Application Enter a Name Enter any name to indicate the name of the entry. Port Range Enter the port range that the application will be using. For example, if you want to allocate bandwidth for FTP, you can enter 21-21. If you need services for an application that uses from 1000 to 1250, you enter 1000-1250 as your settings.

  • Page 45: Figure 5-39: Qos - Voice Device

    Wireless-N Broadband Router Voice Device Enter a Name. Enter a name for your voice device. MAC Address. Enter the MAC address of your voice device. Figure 5-39: QoS - Voice Device Priority. Select the appropriate priority: High, Medium, Normal, or Low. Click the Add button to save your changes.

  • Page 46: The Administration Tab - Management

    Wireless-N Broadband Router The Administration Tab - Management When you click the Administration tab, you will see the Management screen. This screen allows you to change the Router’s access settings and configure the UPnP (Universal Plug and Play) features. You can also back up and restore the Router’s configuration file.
  • Page 47 Wireless-N Broadband Router Allowed Remote IP Address. If you want to be able to access the Router from any external IP address, select Any IP Address. If you want to specify an external IP address or range of IP addresses, then select the second option and complete the fields provided.

  • Page 48: The Administration Tab - Log

    Wireless-N Broadband Router The Administration Tab - Log When you click the Administration tab, you will see the Log screen. It provides you with a log of all incoming and outgoing URLs or IP addresses for your Internet connection. Log. To access activity logs, select the Enabled radio button. With logging enabled, you can choose to view temporary logs or keep a permanent record using the Logviewer software.

  • Page 49: The Administration Tab - Diagnostics

    Wireless-N Broadband Router The Administration Tab - Diagnostics The diagnostic tests (Ping and Traceroute) allow you to check the connections of your network devices, including the connection to the Internet. Ping Test. The Ping test will check the status of a connection. Enter the IP address or URL of the PC whose connection you wish to test, the packet size (default is 32 bytes), and how many times you wish to test it.

  • Page 50: The Administration Tab - Factory Defaults

    Wireless-N Broadband Router The Administration Tab - Factory Defaults The Factory Defaults screen allows you to restore the Router’s configuration to its factory default settings. NOTE: Do not restore the factory defaults unless you are having difficulties with the Router and have exhausted all other troubleshooting measures.

  • Page 51: The Administration Tab - Firmware Upgrade

    Wireless-N Broadband Router The Administration Tab - Firmware Upgrade The Firmware Upgrade screen allows you to upgrade the Router’s firmware. Do not upgrade the firmware unless you are experiencing problems with the Router or the new firmware has a feature you want to use. Before upgrading the firmware, download the Router’s firmware upgrade file from the Linksys website, www.linksys.com.

  • Page 52: The Status Tab - Router

    Wireless-N Broadband Router The Status Tab - Router The Router screen displays information about the Router and its current settings. The on-screen information will vary depending on the Internet Connection Type selected on the Setup screen. Router Information Firmware Version. This is the version number of the Router’s current firmware. Current Time.

  • Page 53: The Status Tab - Local Network

    Wireless-N Broadband Router The Status Tab - Local Network The Local Network screen displays information about the local network. Local Network MAC Address. The MAC Address of the Router’s local interface is displayed here. Router IP Address. This shows the Router’s IP address, as it appears on your local network. Subnet Mask.

  • Page 54: The Status Tab - Wireless

    Wireless-N Broadband Router The Status Tab - Wireless The Wireless screen displays the status information of your wireless network. Wireless MAC Address. The MAC Address of the Router’s wireless interface is displayed here. Mode. Displayed here is the wireless mode (Mixed, Wireless-N Only, Wireless-G Only, Wireless-B Only, or Disabled) used by the network.

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