Planet Networking & Communication WRT-414 User Manual

54 mbps wireless broadband router

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54Mbps Wireless Broadband Router
WRT-414
User's Manual

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Summary of Contents for Planet Networking & Communication WRT-414

  • Page 1 54Mbps Wireless Broadband Router WRT-414 User’s Manual...
  • Page 2: Federal Communication Commission Interference Statement

    Copyright Copyright© 2005 by PLANET Technology Corp. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of PLANET.
  • Page 3 Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately. Revision User’s Manual for PLANET 54Mbps Wireless Broadband Router Model: WRT-414 Rev: 1.1 (July. 2007) Part No. EM-WRT414...
  • Page 4: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 INTRODUCTION ...............1 1.1 P ........................1 ACKAGE ONTENTS 1. 2 F ............................1 EATURES 1.4 S ..........................1 PECIFICATION CHAPTER 2 HARDWARE INSTALLATION ......3 2.1 H .......................3 ARDWARE ONNECTION 2.2 LED I ..........................4 NDICATORS CHAPTER 3 WEB LOGIN ................5 CHAPTER 4 QUICK SETUP ...............7...
  • Page 5 5.2.6 Telstra Big Pond ......................29 5.2.7 DNS ..........................30 5.2.8 DDNS..........................31 LAN.............................31 ..........................33 IRELESS 5.4.1 Basic Settings........................34 5.4.2 Advance Settings......................34 5.4.3 Security ...........................36 5.4.4 Access Control ........................41 S .............................41 5.5.1 Add/Edit QoS Rule......................42 NAT .............................43 5.6.1 Port Forwarding......................45 5.6.2 Virtual Server........................46 5.6.3 Special Applications .......................48 5.6.4...
  • Page 6 CHAPTER 8 TOOLS........................76 .......................76 ONFIGURATION OOLS ......................77 IRMWARE PGRADE ...........................79 ESET APPENDIX A NETWORK ADAPTER INFORMATION ............80 APPENDIX B FREQUENTLY ASK QUESTION..............81 APPENDIX C GLOSSARY......................83...
  • Page 7: Chapter 1 Introduction

    Chapter 1 Introduction Thank you for purchasing WRT-414. This manual guides you on how to install and properly use the WRT-414 in order to take full advantage of its features. 1.1 Package Contents Make sure that you have the following items: •...
  • Page 8 WAN Port 1 x 10/100Base-TX, Auto-MDI/MDI-X LAN Port 4 x 10/100Base-TX, Auto-MDI/MDI-X Antenna Dipole Antenna * 1 Data Encryption 64 bit / 128 bit WEP, WPA-PSK, WPA, WPA2 Frequency 2.4GHz - 2.484GHz Sensitivity 11g @ PER < 10% 54Mbps: -71.46 dBm 48Mbps: -73.1 dBm 36Mbps: -75 dBm 24Mbps: -77 dBm...
  • Page 9: Chapter 2 Hardware Installation

    2. Adjust the antennas of WRT-414. Try to adjust them to a position that can best cover your wireless network. The antenna’s position will enhance the receiving sensitivity.
  • Page 10: Led Indicators

    2.2 LED Indicators Color STATE MEANING Device power on Green Device power off Blinking During boot up procedure. Transmitting or receiving data through the Blinking WLAN Orange Wireless LAN Wireless LAN is no function WAN port is connected at 100Mbps 10/100M Green WAN port is connected at 10Mbps...
  • Page 11: Chapter 3 Web Login

    Chapter 3 Web Login Web configuration provides a user-friendly graphical user interface (web pages) to manage your WRT-414. A WRT-414 with an assigned IP address will allows you to monitor and configure via web browser (e.g., MS Internet Explorer or Netscape).
  • Page 12 to connect to your Internet Service Provider (ISP). General Setup This section contains configurations for the Broadband router’s advance functions such as: Port Forwarding, Virtual Server, Access Control, Hacker Attack Prevention, DMZ, Special applications and other functions to meet your LAN requirements.
  • Page 13: Chapter 4 Quick Setup

    Chapter 4 Quick Setup This section describes the basic configuration of the WRT-414 and allows you to connect to Internet easily. 4.1 Time Zone The time information is used for Log entries and Firewall settings. You can keep the default Time Server address or set a new IP address for your router to synchronize its time.
  • Page 14: Broadband Type

    .2 Broadband Type Before establishing the Internet connection, please be sure to check with your ISP, and obtain all necessary information from them. Broadband Description Cable Modem ISP will automatically give you an IP address. Please refer to section 4.2.1 for details. Fixed-IP xDSL ISP has given you a fixed IP address already.
  • Page 15: Cable Modem

    4.2.1 Cable Modem With Cable Modem connection, the ISP will automatically give you an IP address. Some ISP may also require you to fill in additional information such as Host Name and MAC address (see screen below). Note: The Host Name and MAC address section is optional and you can skip this section if your ISP does not require these settings for you to connect to the Internet.
  • Page 16: Fixed-Ip Xdsl

    4.2.2 Fixed-IP xDSL Select Fixed-IP xDSL if your ISP has given you a specified IP address. Your ISP should provide all the information required in this section. Parameters Description IP address assigned by your The IP address that your ISP should provide you. Service Provider Subnet Mask Enter the Subnet Mask provided by your ISP (e.g.
  • Page 17: Pppoe Xdsl

    4.2.3 PPPoE xDSL Select PPPoE if your ISP requires the PPPoE protocol for Internet connectivity. Your ISP should provide all the information like user name, password required in this section. Parameters Description User Name Enter the User Name provided by your ISP for the PPPoE connection. Password Enter the Password provided by your ISP for the PPPoE connection.
  • Page 18: Pptp Xdsl

    packets have been sent (no one using the Internet) during this specified period, the router will automatically disconnect the connection from your ISP. Note: This “idle timeout” function may not work due to abnormal activities of some network application software, computer virus or hacker attacks from the Internet. For example, some software sends network packets to the Internet in the background, even when you are not using the Internet.
  • Page 19 Parameter Description Obtain an IP address Select it if the ISP requires you to obtain an IP address by DHCP automatically. Host Name Type in the host name provided by your ISP if any; otherwise, just leave it blank. MAC Address To connect to the Internet, your ISP will require a MAC address from your PC.
  • Page 20: L2Tp Xdsl

    some network application software, computer virus or hacker attacks from the Internet. For example, some software sends network packets to the Internet in the background, even when you are not using the Internet. So please turn off your computer when you are not using it. This function also may not work with some ISP.
  • Page 21 button to replace the WAN port MAC address with the MAC address of that PC. To find out the PC’s MAC address, see Appendix A. (also see Glossary for an explanation on MAC address. Use the following IP Select it if the ISP provides you a static IP to connect to the L2TP server. address IP Address This is the IP address that your ISP has given you to establish a L2TP...
  • Page 22: Telstra Big Pond

    When you press “OK” in above configuration, the settings will be saved and the screen appears as below. Before WRT-414 restart, the settings are saved, but not function yet. You can also click “Continue” to configure other settings, this web page will appear when you save the settings in each configuration screen.
  • Page 23 - 17 -...
  • Page 24: Chapter 5 General Setup

    Chapter 5 General Setup After click on the “General Setup” button at the main Page, you should see the screen below. The General Setup contain advanced features that allow you to configure the router to meet the network’s needs such as: Wireless, Port Forwarding, Virtual Server, Access Control, URL Blocking, Special Applications, DMZ and other functions.
  • Page 25 - 19 -...
  • Page 26: Time Zone

    5.1.1 Time Zone The Time Zone allows WRT-414 to allocate its time on the settings configured here, it will affect log display functions such as Security Log and Firewall settings. Parameter Description Set Time Zone Select the time zone of the country you are currently in. The router will set its time based on your selection.
  • Page 27: Password Setup

    You may refer to section 4.2.7 for the information of this screen. Note: If you forget the password, please reset the WRT-414 to the factory default by press reset button (on WRT-414’s rear panel) over 5 seconds.
  • Page 28: Remote Management

    5.1.3 Remote Management You can specify a Host IP address that can perform remote management from Internet. Parameters Description Host Address The IP address of the host on Internet that will have management / configuration access to the Broadband router. Leave it to 0.0.0.0 means anyone can access the router’s web-based configuration from any remote location.
  • Page 29 Telstra Big Pond. Please select one of the connection types and click “More Configuration” button or select the option on the left window for configurarion. - 23 -...
  • Page 30: Dynamic Ip

    5.2.1 Dynamic IP If Dynamic IP is selected, your ISP will automatically give you an IP address. Some ISP’s may also require that you fill in additional information such as Host Name, Domain Name and MAC address. Please refer to the section 4.2.1 for more settings of this option. - 24 -...
  • Page 31: Static Ip

    5.2.2 Static IP If Static IP is selected, your ISP should provide all the information required in this screen. Please refer to the section 4.2.2 for more settings of this option. - 25 -...
  • Page 32: Pppoe

    5.2.3 PPPoE Select PPPoE if your ISP requires PPPoE protocol to connect to the Internet. Your ISP should provide all the information required in this section. Please refer to the section 4.2.3 to know the detail settings of this option. - 26 -...
  • Page 33: Pptp

    5.2.4 PPTP Select PPTP if your ISP requires the PPTP protocol to connect to the Internet. Your ISP should provide all the information required in this section. Please refer to section 4.2.4 for more settings of this option. - 27 -...
  • Page 34: L2Tp

    5.2.5 L2TP Select L2TP if your ISP requires the L2TP protocol to connect to the Internet. Your ISP should provide all the information required in this section. Please refer to section 4.2.5 for more settings of this option. - 28 -...
  • Page 35: Telstra Big Pond

    5.2.6 Telstra Big Pond Select Telstra Big Pond if your ISP requires the Telstra Big Pond protocol to connect you to the Internet. Telstra Big Pond protocol is used by the ISP in Australia. Your ISP should provide all the information required in this section.
  • Page 36: Dns

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 30 -...
  • Page 37: Ddns

    You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. The LAN Port screen below allows you to specify a private IP address for your router’s LAN interface.
  • Page 38 Parameters Description LAN IP IP Address Designate the Access Point’s IP Address. This IP Address should be unique in your network. The default IP Address is 192.168.0.1. Subnet Mask Specify a Subnet Mask for your LAN segment. The Subnet Mask of the Access Point is fixed and the value is 255.255.255.0.
  • Page 39: Wireless

    “Apply” to restart WRT-414 with new configuration. Wireless This screen allows you to Enable/Disable WRT-414 wireless function. Parameters Description Enable/Disable You can select to “Enable” or “Disable” the Wireless interface. After selected, please click “Apply” to make the settings effect.
  • Page 40: Basic Settings

    5.4.1 Basic Settings WRT-414 supports not only Access Point function, but also provides Station, Bridge and WDS mode. Please Refer to “Chapter 6 Wireless Configuration” know the details settings of wireless Basic Settings. In Default, WRT-414 will work with AP mode.
  • Page 41 The interval of time that this access point broadcast a beacon. Beacon is used to synchronize the wireless network. Data Rate The Data Rate is the rate of data transmission. The WRT-414 will use the highest possible selected transmission rate to transmit the data packets. Preamble Type Preamble type defines the length of CRC block in the frames during the wireless communication.
  • Page 42: Security

    5.4.3 Security WRT-414 provides complete wireless LAN security functions, includes WEP, 802.1x, 802.1x with WEP, WPA-PSK and WPA RADIUS. With these security functions, you can prevent your wireless LAN from illegal access. Please make sure your wireless stations use the same security function.
  • Page 43 5.4.3.1 When you select 64-bit or 128-bit WEP key, you have to enter WEP keys to encrypt data. You can generate the key by yourself. You can enter four WEP keys and select one of them as default key. Then the access point will just allow the clients that with the same encryption keys connected. You can use WEP encryption in “AP mode”, “Station-Ad Hoc mode”, “Station-Infrastructure mode”...
  • Page 44 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.4.3.2 802.1x...
  • Page 45 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.4.3.3 WPA-PSK Wi-Fi Protected Access (WPA) is an advanced security standard.
  • Page 46 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.4.3.4...
  • Page 47: Access Control

    5.4.4 Access Control WRT-414 provides MAC Address Filtering, which prevents the unauthorized users from accessing your wireless network. Parameters Description Enable Wireless Enable or disable the MAC Address Filtering function. Access Control Add MAC Address In the bottom “New” area, fill in the “MAC Address” and “Comment” of the wireless to the control table station and then click “Add”.
  • Page 48: Add/Edit Qos Rule

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.5.1...
  • Page 49: Nat

    After press Add or Edit button in QoS screen, you will see the web screen below for user to setup their QoS rule. Parameters Description Rule Name Please give a name to the QoS Rule Bandwidth You can limit the maximum bandwidth consumed by this rule by selecting “Maximum”.
  • Page 50 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 44 -...
  • Page 51: Port Forwarding

    5.6.1 Port Forwarding The Port Forwarding allows you to re-direct a particular range of service port numbers (from the Internet/WAN Ports) to a particular LAN IP address. It helps you to host some servers behind the firewall. Parameters Description Enable Port Forwarding Enable Port Forwarding.
  • Page 52: Virtual Server

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.6.2...
  • Page 53 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 47 -...
  • Page 54: Special Applications

    5.6.3 Special Applications Some applications require multiple connections, such as Internet games, video conferencing, Internet telephony and others. In this section you can configure the router to support multiple connections for these types of applications. Parameters Description Enable Trigger Port Enable the Special Application function.
  • Page 55 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. Example: Special Applications If you need to run applications that require multiple connections, specify the port (outbound) normally associated with that application in the "Trigger Port"...
  • Page 56: Upnp

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 50 -...
  • Page 57: Alg Settings

    “Apply” to restart WRT-414 with new configuration. Firewall WRT-414 provides extensive firewall protection by restricting connection parameters, thus limiting the risk of hacker attack, and defending against a wide array of common Internet attacks. However, for applications that require unrestricted access to the Internet, you can configure a specific client/server in a Demilitarized Zone (DMZ).
  • Page 58 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 52 -...
  • Page 59: Access Control

    5.7.1 Access Control This screen allows you to restrict users from accessing certain Internet applications/services (e.g. Internet websites, email, FTP etc.). Network administrator can define the traffic type permitted in your LAN and control which PC client can have access to these services. Parameters Description Enable MAC Filtering...
  • Page 60 in the list below. Add PC You can click “Add PC” to add an access control rule for users by IP addresses. Please refer to section 5.7.1.1. Remove PC If you want to remove some PCs from the "IP Filtering Table", select the PC you want to remove in the table and then click "Delete Selected".
  • Page 61: Url Blocking

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.7.2...
  • Page 62: Dos

    You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.7.3 WRT-414's firewall can block common hacker attacks, including Denial of Service, Ping of Death, Port Scan and Sync Flood. If Internet attacks occur, the router can log the events.
  • Page 63: Dmz

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. 5.7.4 If you have a local client PC that cannot run an Internet application (e.g.
  • Page 64 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 58 -...
  • Page 65: Chapter 6 Wireless Configuration

    Please refer to below sections to know the details configuration of each operating mode. AP Mode This mode is set to WRT-414 by default. It served as a transparent Media Access Control (MAC) bridge between wired and wireless network. - 59 -...
  • Page 66 Parameter Description Mode Shows the current operation mode. You may set WRT-414 to other operating mode by select other operating mode. Band 2.4GHz (B): It forces the WRT-414 to operate in 802.11b only. 2.4GHz (G): It forces the WRT-414 to operate in 802.11g only.
  • Page 67: Station - A Dhoc Mode

    “Apply” to restart WRT-414 with new configuration. Station - Ad Hoc Mode WRT-414 serves as a wireless station (Ad-hoc) in this mode. Connected to a PC or a small LAN (no more than 5 PCs), this station along with other wireless stations can establish a small wireless network without Access Points.
  • Page 68: Station - Infrastructure Mode

    “Apply” to restart WRT-414 with new configuration. Station - Infrastructure Mode WRT-414 serves as a wireless station (infrastructure). Connected to a PC or a small LAN (no more than 5 PCs), it allows the PC or small LAN able to access the wireless network via Access Point.
  • Page 69: Ap Bridge - Point To Point Mode

    Band 2.4GHz (B): It forces the WRT-414 to operate in 802.11b only. 2.4GHz (G): It forces the WRT-414 to operate in 802.11g only. 2.4GHz (B+G): It allows the WRT-414 to operate in 802.11b and 802.11g simultaneously. ESSID Please make sure the ESSID of the wireless network that you will connected and enter the correct ESSID in this field.
  • Page 70 Channel 1-11 (North America) Channel 1-14 (Japan) Channel 1-13 (Europe) MAC Address 1 Keep default setting: WRT-414 will use it’s own MAC address to access the wireless LAN. Press “MAC Clone” button: It will use PC’s MAC address to access the wireless LAN.
  • Page 71: Ap Bridge - Point To Multipoint Mode

    Channel 1-14 (Japan) Channel 1-13 (Europe) AP MAC Address If you want to bridge multiple WRT-414 in this mode, you have to enter the MAC addresses of other WRT-414 into the fields. Set Security IF you want to enable security to protect your wireless connection. Please press “Set Security”...
  • Page 72: Ap Bridge - Wds Mode

    If you want WRT-414 to bridge to other WRT-414 and provide access for other wireless clients at the same time, you have to set the WRT-414 to “AP Bridge - WDS”. Simply speaking, “AP Bridge - WDS” function is the combination of “AP mode” and “AP Bridge-Point to Multi-Point mode”.
  • Page 73: Security Setting Of Bridge Mode

    After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. Security setting of bridge mode...
  • Page 74 In “AP Bridge-Point to Point mode”, ““AP Bridge-Point to Multi-Point mode” and “AP Bridge-WDS mode”, you can click “Set Security” to add encryption for the communication between the bridged access points. This can protect your wireless network. Parameter Description You can select “None”,“WEP 64bits”, “WEP 128bits”, “WPA (TKIP)” or “WPA2 Encryption (AES)”...
  • Page 75 After configuration complete, please click “Apply” button to save the configuration. Then you will see a screen to prompt you the settings are save successfully. You may press “Continue” for configure other settings or “Apply” to restart WRT-414 with new configuration. - 69 -...
  • Page 76: Chapter 7 Status

    WAN and LAN interfaces, the current firmware and hardware version numbers, any illegal attempts to access your network, and information on all DHCP client PCs currently connected to your network. Internet Connection View WRT-414’s current Internet connection status and other related information. - 70 -...
  • Page 77: Device Status

    Device Status View WRT-414’s current configuration settings. The Device Status displays the configuration settings of WLAN and LAN. - 71 -...
  • Page 78: System Log

    Parameters Description System Log This page shows the current system log of WRT-414. It displays the working information about WRT-414. About the bottoms of the page, the system log can be saved to a local file by press “Save” button. If there is too much message in this screen, please press “Clear”...
  • Page 79: Active Dhcp Client

    Parameters Description Security Log This page shows the current security log of WRT-414. It displays any illegal attempts to access your network. About the bottoms of the page, the security log can be saved to a local file by press “Save” button. If there is too much message in this screen, please press “Clear”...
  • Page 80: Statistics

    Parameters Description DHCP Client Table This page shows all the DHCP clients currently connected to your network. The “Active DHCP Client Table” displays the IP address and the MAC address and Time Expired of each Client. Use the Refresh button to get the most updated situation.
  • Page 81 Parameters Description Statistics Shows the counters of packets sent and received on WLAN, LAN and WAN. - 75 -...
  • Page 82: Chapter 8 Tools

    Chapter 8 Tools This page includes the basic configuration tools, such as Configuration Tools (save or restore configuration settings), Firmware Upgrade (upgrade system firmware) and Reset. Configuration Tools The Configuration Tools screen allows you to “Backup” the router’s current configuration setting. Saving the configuration settings provides an added protection and convenience when problems occur and you have to reset to factory default.
  • Page 83: Firmware Upgrade

    " config.cfg " in your PC. You can then use the "Restore" tool to restore the saved configuration to WRT-414. The "Restore to Factory Defaults" tool can force WRT-414 to perform a power reset for restore it to original factory settings.
  • Page 84 PC. Once you’ve selected the new firmware file, click “Apply” bottom to start the upgrade process. (You may have to wait a few minutes for the upgrade to complete and WRT-414 restart). After the WRT-414 - 78 -...
  • Page 85: Reset

    The reset will be complete when the power light stops blinking. Once the reset process is complete you may start using the router again. After configuration complete, please click “Apply” button, please wait for a while for the WRT-414 restart. - 79 -...
  • Page 86: Appendix Anetwork Adapter Information

    Appendix A Network Adapter Information 1. In Window’s open the Command Prompt program. 2. Type “ipconfig /all” and press “Enter” key. Then you can see the informations of your network adapter. Your PC’s IP address is the one entitled IP address (192.168.0.100). The router’s IP address is the one entitled Default Gateway (192.168.0.1).
  • Page 87: Appendix Bfrequently Ask Question

    AP via a repeater. Q. How much wired client can connect to Station mode WRT-414? A. We will suggest you connect max. 5 wired clients to a WRT-414. This more is not suit to connect a - 81 -...
  • Page 88 WAP-4033 to Bridge mode. Bridge mode will be suit to connect wired LANs together. Q. Is WRT-414 Bridge mode compatible with other bridge mode device? A. Yes. WAP-4033 Bridge mode is compatible with WRT-414 and WAP-4033. They are designed with the same chipset. So their bridge mode is compatible to each other.
  • Page 89: Appendix Cglossary

    Appendix C Glossary Access Point Access points are way stations in a wireless LAN that are connected to an Ethernet hub or server. Users can roam within the range of access points and their wireless device connections are passed from one access point to the next.
  • Page 90 transferring large files or uploading the HTML pages for a Web site to the Web server. Gateway Gateways are computers that convert protocols enabling different networks, applications, and operating systems to exchange information. Host Name The name given to a computer or client station that acts as a source for information on the network. HTTP HTTP (HyperText Transport Protocol) is the communications protocol used to connect to servers on the World Wide Web.
  • Page 91 Messages larger than the MTU are divided into smaller packets. NAT (Network Address Translation - also known as IP masquerading) enables an organization to present itself to the Internet with one address. NAT converts the address of each LAN node into one IP address for the Internet (and vice versa).
  • Page 92 Server Servers are typically powerful and fast machines that store programs and data. The programs and data are shared by client machines (workstations) on the network. SMTP SMTP (Simple Mail Transfer Protocol) is the standard Internet e-mail protocol. SMTP is a TCP/IP protocol defining message format and includes a message transfer agent that stores and forwards mail.
  • Page 93 delivery isn't necessary (for example, real-time video and audio where packets can be dumped as there is no time for retransmitting the data). Virtual Servers Virtual servers are client servers (such as Web servers) that share resources with other virtual servers (i.e., it is not a dedicated server).

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