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Cisco Systems WAG54GS (EU) manual What is Network Address Translation and what is it used for?

Models: WAG54GS (EU)

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Wireless-G ADSL Gateway with SpeedBooster

What is Network Address Translation and what is it used for?

Network Address Translation (NAT) translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet. This adds a level of security since the address of a computer connected to the private LAN is never transmitted on the Internet. Furthermore, NAT allows the Gateway to be used with low cost Internet accounts when only one TCP/IP address is provided by the ISP. The user may have many private addresses behind this single address provided by the ISP.

Does the Gateway support any operating system other than Windows 98SE, Windows Millennium,

Windows 2000, or Windows XP?

Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of any non-Windows operating systems.

Does the Gateway support ICQ send file?

Yes, with the following fix: click ICQ menu -> preference -> connections tab->, and check I am behind a firewall or proxy. Then set the firewall time-out to 80 seconds in the firewall setting. The Internet user can then send a file to a user behind the Gateway.

I set up an Unreal Tournament Server, but others on the LAN cannot join. What do I need to do?

If you have a dedicated Unreal Tournament server running, you need to create a static IP for each of the LAN computers and forward ports 7777, 7778, 7779, 7780, 7781, and 27900 to the IP address of the server. You can also use a port forwarding range of 7777 ~ 27900. If you want to use the UT Server Admin, forward another port. (Port 8080 usually works well but is used for remote admin. You may have to disable this.) Then in the [UWeb.WebServer] section of the server.ini file, set the ListenPort to 8080 (to match the mapped port above) and ServerName to the IP assigned to the Gateway from your ISP.

Can multiple gamers on the LAN get on one game server and play simultaneously with just one public IP address?

It depends on which network game or what kind of game server you are using. For example, Unreal Tournament supports multi-login with one public IP.

How do I get Half-Life: Team Fortress to work with the Gateway?

The default client port for Half-Life is 27005. The computers on your LAN need to have “+clientport 2700x” added to the HL shortcut command line; the x would be 6, 7, 8, and on up. This lets multiple computers connect to the same server. One problem: Version 1.0.1.6 won’t let multiple computers with the same CD key connect at the same time, even if on the same LAN (not a problem with 1.0.1.3). As far as hosting games, the HL server does not need to be in the DMZ. Just forward port 27015 to the local IP address of the server computer.

Appendix A: Troubleshooting

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Frequently Asked Questions

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Cisco Systems WAG54GS (EU) manual What is Network Address Translation and what is it used for?
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WAG54GS (EU) specifications

The Cisco Systems WAG54GS (EU) is a versatile and robust integrated broadband gateway designed to meet the growing demands of home and small office environments. This device combines both routing and DSL modem functionalities, allowing users to connect multiple devices to the internet seamlessly. Its compact design and user-friendly interface make it an ideal solution for users seeking a reliable internet connection with minimal setup.

One of the standout features of the WAG54GS is its dual-band wireless capabilities, allowing it to operate on both the 2.4 GHz and 5 GHz frequency bands. This flexibility provides users with the option to connect a variety of wireless devices while minimizing interference from other electronic devices. The router complies with the 802.11g wireless standard, offering speeds of up to 54 Mbps, making it suitable for tasks such as web browsing, file sharing, and streaming media.

The WAG54GS also features a built-in 4-port Ethernet switch, enabling users to connect wired devices directly for a more stable and consistent internet connection. This is particularly useful for bandwidth-intensive applications where a wired connection is preferred. In addition, the device supports Quality of Service (QoS) settings, allowing users to prioritize traffic for certain applications, ensuring smooth performance for voice and video calls.

Security is a significant consideration in the design of the WAG54GS, with several features to protect the network from unauthorized access. It incorporates WPA and WPA2 encryption protocols, ensuring data is transmitted securely over the wireless network. Additionally, the built-in firewall protects against external threats, while the ability to create a demilitarized zone (DMZ) allows users to isolate certain devices for additional security.

The setup process for the WAG54GS is straightforward, thanks to its web-based interface, enabling users to configure settings easily. The device also includes a wizard that guides users through the initial configuration process, making it accessible even for those who may not be tech-savvy.

In conclusion, the Cisco Systems WAG54GS (EU) is an ideal choice for users seeking a reliable and easy-to-use broadband gateway. Its combination of wireless and wired connectivity, robust security features, and user-friendly setup make it a solid investment for enhanced internet access in home and small office setups.