Linksys Official Guide for Quality of Service and Configuration of the RT31P2 Router
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Broadband Router with 2 Phone Ports

The Applications & 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 Internet phone calls or videoconferencing.

Application-based QoS

Application-based QoS manages information as it is transmitted and received. Depending on the settings of the QoS screen, this feature will assign information a high or low priority for the five preset applications and three additional applications that you specify.

Enable/Disable. To use application-based QoS, select Enable. Otherwise, keep the default, Disable.

High priority/Low priority. For each application, select High priority or Low priority.

FTP (File Transfer Protocol). A protocol used to transfer files over a TCP/IP network (Internet, UNIX, etc.). For example, after developing the HTML pages for a website on a local machine, they are typically uploaded to the web server using FTP.

HTTP (HyperText Transport Protocol). The communications protocol used to connect to servers on the World Wide Web. Its primary function is to establish a connection with a web server and transmit HTML pages to the client web browser.

Telnet. A terminal emulation protocol commonly used on Internet and TCP/IP-based networks. It allows a user at a terminal or computer to log onto a remote device and run a program.

SMTP (Simple Mail Transfer Protocol). The standard e-mail protocol on the Internet. It is a TCP/IP protocol that defines the message format and the message transfer agent (MTA), which stores and forwards the mail.

POP3 (Post Office Protocol 3). A standard mail server commonly used on the Internet. It provides a message store that holds incoming e-mail until users log on and download it. POP3 is a simple system with little selectivity. All pending messages and attachments are downloaded at the same time. POP3 uses the SMTP messaging protocol.

Specific Port#. You can add three additional applications by entering their respective port numbers in the Specific Port# fields.

Port-based QoS

Port-based QoS allows you to prioritize performance for three of the Router’s ports, LAN Ports 1-3. Port-based QoS does not require support from your ISP because the prioritized ports are LAN ports going out to your network.

Chapter 5: Configuring the Router

Figure 5-24: Applications & Gaming Tab - QoS

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The Applications & Gaming Tab - DMZ

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Contents Broadband Router Copyright and Trademarks How to Use this GuideWord definition Table of Contents Ethernet Adapter Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Appendix B Upgrading FirmwareFront Panel Back Panel23 Applications & Gaming Tab DMZ Welcome IntroductionWhat’s in this Guide? Broadband Router with 2 Phone Ports An Introduction to Local Area Networks Networking BasicsUse of IP Addresses Networking Basics Use of IP Addresses Phone2 Getting to Know the RouterFront Panel Overview Connecting the RouterConnect a PC Connection InstructionsSetup Configuring the RouterSecurity Status AdministrationVoice Applications & GamingInternet Connection Type How to Access the Web-based UtilitySetup Tab Basic Setup Internet SetupPPPoE Static IPPptp RAS for SingTelHeart Beat Signal Heart Beat SignalRouter IP Network SetupOptional Settings Network Address Server Settings DhcpTime Setting DynDNS.org Setup Tab DdnsTZO.com MAC Clone Setup Tab MAC Address CloneAdvanced Routing Setup Tab Advanced Routing13 Routing Table Entry List Filter MAC Address Security Tab FilterFilter IP Address Range Filter Port RangeConfiguring the Router Security Tab Filter VPN Passthrough Security Tab VPN PassthroughVoice Tab System Stun SettingsNAT Traversal Settings Voice Tab Line1 SettingsSubscriber Information Distinctive Ring Settings Call Forward SettingsSpeed Dial Settings Supplementary Service SettingsVoice Quality Settings 19 Voice Tab Line2 Voice Tab Line2 SettingsConfiguring the Router Voice Tab Line2 Settings Voice Quality Settings Port Range Forwarding Applications & Gaming Tab Port Range ForwardingPort Range Forwarded Range Applications & Gaming Tab Port TriggeringPort Triggering Triggered RangeUPnP Forwarding Applications & Gaming Tab UPnP ForwardingBroadband Router with 2 Phone Ports DMZ Applications & Gaming Tab DMZApplication-based QoS Applications & Gaming Tab QoSPort-based QoS Voice QoS Remote Router Access Administration Tab ManagementRouter Password Local Router Access26 Backup & Restore Configuration Backup and RestoreLog Administration Tab LogFactory Defaults Administration Tab Factory DefaultsUpgrade Firmware Administration Tab Firmware UpgradeLine2 Status Status Tab VoiceInformation Line1 Status33 Status Tab Router Status Tab RouterLocal Network Status Tab Local NetworkCommon Problems and Solutions Appendix a TroubleshootingFor Windows For Windows 98 and MillenniumNeed to set a static IP address on a PC Want to test my Internet connection For Windows XPFor Windows Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my Router TCP Application Start and End Protocol IP Address EnabledCan’t get the Internet game, server, or application to work For Netscape 4.7 or higher To start over, I need to set the Router to factory defaultNeed to upgrade the firmware For Microsoft Internet Explorer 5.0 or higherMy DSL service’s PPPoE is always disconnecting Firmware upgrade failedNeed to use port triggering Frequently Asked Questions Does the Router support ICQ send file? If all else fails in the installation, what can I do?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?How many ports can be simultaneously forwarded? How can I check whether I have static or Dhcp IP addresses? Which modems are compatible with the Router?How do I get mIRC to work with the Router? Appendix B Upgrading Firmware Figure B-1 Upgrade FirmwareWindows 2000 or XP Instructions Windows 98 or Me InstructionsFigure C-3 MAC Address/Physical Address For the Router’s Web-based UtilityShared Resources Appendix D Windows HelpNetwork Neighborhood/My Network Places Appendix E Glossary Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Appendix F Specifications 0ºC to 40ºC 32ºF to 104ºF Storage TempOperating Humidity Storage HumidityLimited Warranty Appendix G Warranty InformationFCC Statement Appendix H Regulatory InformationNeed to contact Linksys? Appendix I Contact InformationInformation section in this Guide

RT31P2-NA specifications

The Linksys RT31P2-NA is a versatile voice-over-IP (VoIP) router designed to seamlessly combine internet connectivity with telephone services. Targeted at home users and small businesses, the device acts as a gateway through which users can connect multiple computers and internet-enabled devices while also facilitating digital phone services.

One of the standout features of the RT31P2-NA is its ability to support multiple voice lines, allowing users to make and receive calls while simultaneously using the internet. This dual functionality is made possible by its built-in VoIP capabilities, which leverage Session Initiation Protocol (SIP) technology, ensuring high-quality voice calls without interruptions from internet traffic.

In terms of connectivity, the router includes a standard Ethernet WAN port and four Ethernet LAN ports, providing ample options for wired connections to various devices. This setup is ideal for households or small offices that require stable, high-speed internet access across numerous devices. Additionally, the router features two telephone ports, allowing users to connect traditional analog phones directly for VoIP services.

Security is a key characteristic of the RT31P2-NA. It incorporates advanced security protocols such as WPA2 encryption and firewall capabilities to protect users' networks from unauthorized access and cyber threats. The router also supports Quality of Service (QoS) features, enabling users to prioritize bandwidth allocation for voice calls and other critical applications, ensuring minimal lag and superior call quality.

The design of the RT31P2-NA is user-friendly, with an intuitive interface that simplifies the setup process. The integrated configuration wizard helps users connect to their internet service and set up telephony services with ease. Furthermore, firmware updates can be easily managed, keeping the device secure and running optimally.

Moreover, Linksys is known for its reliable customer support and warranty services, which enhance the overall experience for users. The RT31P2-NA is a robust option for individuals and small businesses looking to streamline their communication needs while enjoying reliable internet connectivity. Whether for personal use or office applications, this router delivers a balanced mix of performance, functionality, and ease of use.
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