Cisco Systems BEFSR41 manual Applications & Gaming Tab DMZ, Dmz

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EtherFast Cable/DSL Router with 4-Port Switch

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. 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.

Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function.

DMZ

DMZ. To use this feature, select Enable. To disable DMZ hosting, select Disable.

DMZ Host IP Address. To expose one PC, enter the computer’s IP address. To get the IP address of a computer, refer to “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.”

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. Help information is shown on the right-hand side of the screen.

Chapter 5: Configuring the Router

Figure 5-21: Applications & Gaming Tab - DMZ

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The Applications & Gaming Tab - DMZ

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Contents Cable/DSL Router Word definition How to Use this GuideCopyright and Trademarks Table of Contents Ethernet Adapter Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Appendix B Upgrading FirmwareBack Panel List of Figures23 Administration Tab Management Welcome IntroductionWhat’s in this Guide? EtherFast Cable/DSL Router with 4-Port Switch Use of IP Addresses Networking BasicsAn Introduction to Local Area Networks Networking Basics Use of IP Addresses Getting to Know the Router Reset Button Reset button can be used in one of two waysFront Panel Overview Connecting the RouterUsing the Setup Wizard Using the Quick Installation or User GuideExample of a Typical Network Connection InstructionsSecurity Configuring the RouterSetup Status How to Access the Web-based UtilityAdministration Applications & GamingObtain an IP Automatically Setup Tab Basic SetupInternet Setup Internet Connection TypePPPoE Static IPRAS Heart Beat Signal Heart Beat SignalPacket a unit of data sent over a network Network SetupOptional Settings Router IP Network Address Server Settings DhcpTZO.com Setup Tab DdnsDynDNS.org MAC Clone Setup Tab MAC Address CloneStatic Routing Setup Tab Advanced RoutingAdvanced Routing Dynamic Routing14 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 VPNPort Range Applications & Gaming Tab Port Range ForwardingPort Range Forwarding Forwarded Range Applications & Gaming Tab Port TriggeringPort Triggering Triggered RangeUPnP Forwarding Applications & Gaming Tab UPnP ForwardingEtherFast Cable/DSL Router with 4-Port Switch DMZ Applications & Gaming Tab DMZApplication Priority Applications & Gaming Tab QoSDevice Priority Ethernet Port PriorityEtherFast Cable/DSL Router with 4-Port Switch Remote Router Access Administration Tab ManagementRouter Access Local Router AccessConfiguring the Router Administration Tab Management Log Administration Tab LogFactory Defaults Administration Tab Factory DefaultsUpgrade Firmware Administration Tab Firmware UpgradeInformation Status Tab RouterLocal Network Status Tab Local NetworkNeed to set a static IP address on a PC Appendix a TroubleshootingCommon Problems and Solutions For Windows 98 and MillenniumFor Windows XP For WindowsWant to test my Internet connection EtherFast Cable/DSL Router with 4-Port Switch Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my Router 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 defaultFor Microsoft Internet Explorer 5.0 or higher My DSL service’s PPPoE is always disconnecting Need to upgrade the firmwareFirmware upgrade failed Need to use port triggering Does the Router support IPX or AppleTalk? Frequently Asked QuestionsWhere is the Router installed on the network? Is IPSec Passthrough supported by the Router?How can I block corrupted FTP downloads? If all else fails in the installation, what can I do?Does the Router support ICQ send file? Which modems are compatible with the Router? What is DMZ Hosting?Is the Router cross-platform compatible? How do I get mIRC to work with the Router? How can I check whether I have static or Dhcp IP addresses?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 UtilityNetwork Neighborhood/My Network Places Appendix D Windows HelpShared Resources Appendix E Glossary EtherFast Cable/DSL Router with 4-Port Switch Packet a unit of data sent over a network EtherFast Cable/DSL Router with 4-Port Switch EtherFast Cable/DSL Router with 4-Port Switch Ports Appendix F SpecificationsFour 10/100 RJ-45 Switched Ports Model BEFSR41 ver StandardsStorage Humidity Operating HumidityLimited Warranty Appendix G Warranty InformationFCC Statement Appendix H Regulatory InformationInformation section in this Guide Appendix I Contact InformationNeed to contact Linksys?

BEFSR41 specifications

The Cisco Systems BEFSR41 is a versatile and robust broadband router that has gained popularity for its reliability and feature set, catering to both home users and small businesses. This device integrates an 802.3 Ethernet switch with a wide area network (WAN) port, allowing users to connect multiple local area network (LAN) devices to the internet simultaneously.

One of the standout features of the BEFSR41 is its ability to support up to four Ethernet ports, which facilitates easy connection for computers, printers, and other network devices. This multi-port functionality promotes efficient resource sharing within a network, enabling users to share files, printers, and Internet access seamlessly. The router operates using a robust NAT (Network Address Translation) technology, which enhances network security by ensuring that local IP addresses are not exposed directly to the internet.

The BEFSR41 supports DHCP (Dynamic Host Configuration Protocol), allowing for automatic IP address assignment to connected devices, which simplifies the network setup for users. Furthermore, its built-in firewall features help protect against unauthorized access and potential threats from the internet, making it an ideal choice for small office or home office settings. The router also supports port forwarding, allowing users to configure access for specific applications, such as online gaming or video conferencing.

In terms of connectivity, the BEFSR41 is designed for high-speed broadband connections, making it suitable for DSL or cable internet services. The device offers a straightforward setup process, typically involving a web-based interface that simplifies configuration for users of all technical levels. The compact design and ease of installation make it a convenient choice for those looking to enhance their home or office network.

Additionally, the BEFSR41 supports basic Quality of Service (QoS) features, which enable prioritization of traffic for applications that require higher bandwidth or lower latency. Users can configure these settings to ensure that critical applications receive the necessary resources, promoting a smoother experience during activities like streaming or video calls.

Lastly, the Cisco BEFSR41 is known for its durability and longevity, reflecting the high standards associated with Cisco products. Although newer models and technologies have emerged since its launch, the BEFSR41 remains a solid option for users seeking a reliable and efficient router for basic networking needs. Whether for a small business or a home network, this device offers the essential features and functionality to support daily internet activities.
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