Linksys BEFSR41W manual Appendix B How to Obtain Your ISP’s E-mail & Web Addresses

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Instant BroadbandTM Series

Appendix B: How to Obtain Your ISP’s E-mail & Web Addresses

Virtually all Internet addresses are configured with words or characters (i.e., www.linksys.com, www.yahoo.com, etc.) In actuality, however, these Internet addresses are assigned to IP addresses, which are the true addresses on the Internet. For example, www.linksys.com is actually 216.23.162.142. Type it into your web browser and you will wind up at the Linksys home page every time.

IP and web addresses, however, can sometimes be long and hard to remember. Because of this, certain ISPs will shorten their server addresses to single words or codes on their users’ web browser or e-mail configurations. If your ISP’s e- mail and web server addresses are configured with single words (“www,” “e- mail,” “home,” “pop3,” etc.) rather than whole Internet addresses or IP address- es, your Router may have problems sending or receiving mail and accessing the Internet. This happens because your Router has not been configured by your ISP to accept their abbreviated server addresses.

The solution is to determine the true web addresses behind your ISPs code words. You can determine the IP and web addresses of your ISP’s servers by “pinging” them.

If you don’t have your ISP’s web and e-mail IP addresses, you must either get them from your ISP or follow these steps prior to connecting your Router to your network.

Step One: Pinging an IP Address

The first step to determining your ISP’s web and e-mail server address is to ping its IP address.

1.Power on the computer and the cable or DSL modem, and restore the network configuration set by your ISP if you have since changed it.

2.Click Start, then Run, and type command. This will bring up the DOS window.

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

3.At the DOS command prompt, type ping mail. (assuming that the loca- tion for which you’re trying to find an IP address is configured as “mail”). Press Enter. Information such as the following data, taken from a ping of Microsoft Network’s e-mail server, will be displayed.

C:\>ping mail

Pinging mail [24.53.32.4] with 32 bytes of data:

Reply from 24.53.32.4: bytes=32 time<10ms TTL=128

Reply from 24.53.32.4: bytes=32 time<10ms TTL=128

Reply from 24.53.32.4: bytes=32 time<10ms TTL=128

Reply from 24.53.32.4: bytes=32 time<10ms TTL=128

Ping statistics for 24.53.32.4:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms

4.Write down the IP address returned by the ping command. (In the example above: 24.53.32.4.) This IP address is the actual IP address of the server “mail,” or any other word or value you have pinged.

Step Two: Pinging for a Web Address

While the IP address returned above would work as your e-mail server address, it may not be permanent. IP addresses change all the time. Web addresses, how- ever, usually don’t. Because of this, you’re likely to have fewer problems by configuring your system with web addresses rather than IP addresses. Follow the instructions below to find the web address assigned to the IP address that you just pinged.

1.At the DOS command prompt, type “ping -a 24.53.32.4,” where 24.53.32.4 is the IP address that you just pinged. Information such as the following data will be displayed.

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Contents EtherFast Cable/DSL Wireless-Ready Router With 4-Port Switch Copyright & Trademarks Table of Contents Introduction Linksys Cable/DSL Wireless-Ready RouterFeatures Minimum Requirements Package ContentsCable/DSL Wireless-Ready Router’s Rear Panel Cable/DSL Wireless-Ready Router’s Front Panel LEDs Wireless-PC CardReset Button About Static & Dynamic IP Addresses OverviewConnecting Your Hardware Together and Booting Up Instant BroadbandTM Series Setup Adding Wireless Capabilities to Your RouterEssid Configuring the Cable/DSL Wireless-Ready Router Instant BroadbandTM Series Setup p Cable/DSL Wireless-Ready Router’s Web- based UtilityQuick & Easy Administration Password Setting WEP Encryption Status Help Log Incoming/Outgoing Access Logs Here you will specify whetherFilters UPnPPort Forwarding Port Using IPSec Pass ThroughPort Range Forwarding Dynamic Routing Static Routing MAC Address Cloning DMZ HostCommon Problems and Solutions Appendix a TroubleshootingFrequently Asked Questions Through IPSec is supported Step One Pinging an IP Address Appendix B How to Obtain Your ISP’s E-mail & Web AddressesFigure C-1 Appendix C Installing the TCP/IP ProtocolFigure C-2 Appendix D Twisted-Pair CablingBlesCrimping Your Own Network Appendix E GlossaryInstant BroadbandTM Series Instant BroadbandTM Series Speed Appendix F SpecificationsEnvironmental Appendix G Warranty InformationAppendix H Contact Information Copyright 2002 Linksys, All Rights Reserved

BEFSR41W specifications

The Linksys BEFSR41W is a versatile wireless broadband router that has been a popular choice for both home and small office environments since its introduction. Designed to offer reliable internet connectivity, the BEFSR41W combines wired and wireless capabilities, ensuring that users can connect multiple devices efficiently.

One of the standout features of the Linksys BEFSR41W is its integrated 4-port 10/100 Ethernet switch, which allows users to connect their wired devices directly. This is particularly useful for users who require stable connections for activities such as gaming or streaming high-definition content. The router supports the IEEE 802.3 and 802.3u standards, ensuring compatibility with a wide range of devices.

In terms of wireless capabilities, the BEFSR41W operates on the 802.11b and 802.11g standards, providing maximum wireless data rates of up to 54 Mbps. This enables users to experience reasonably fast wireless internet speeds for everyday online activities such as browsing and emailing. The router's built-in antenna offers decent coverage, making it suitable for smaller homes and office spaces.

Security is a key consideration for any network device, and the Linksys BEFSR41W incorporates several features to help safeguard users' data. It supports Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) encryption methods, allowing users to set up secure connections and protect sensitive information from unauthorized access. Additionally, the router includes a built-in firewall to help prevent external attacks and threats.

Another significant characteristic of the BEFSR41W is its easy setup process. The router comes with a user-friendly web-based interface that simplifies the configuration process. Users can easily set up their network, configure security settings, and manage connected devices without needing specialized technical skills.

Additionally, the router is designed for longevity, with robust build quality ensuring reliability over time. It is also backward compatible with older wireless standards, which provides flexibility for users who have legacy devices in their network.

In conclusion, the Linksys BEFSR41W is a solid option for anyone seeking a dependable routing solution that balances both wired and wireless connectivity. With its blend of features, ease of use, and security options, it remains a relevant choice for users looking to establish a basic home or small office network.
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