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Chapter 1

Introducing the GT 50

Your GT 50 is a fast, simple-to-use, and secure remote access router that lets PCs on your Ethernet Local Area Network (LAN) access the Internet or another Wide Area Network (WAN). It provides dialup capability.

Your GT 50 is an internetworking router that forwards (or routes) data along the most efficient network-to-network paths.

This chapter provides information on your GT 50 capabilities. It includes the following topics:

Hardware Capabilities

Software Capabilities

Hardware Capabilities

Your GT 50 remote access router has a LAN connector that lets you connect directly to a PC or to an Ethernet 10BaseT hub by using a crossover switch that allows switching between PC and hub connections.

The GT 50 also has a WAN connector that lets you connect to the Internet or another remote network. You can connect your router to a WAN using Point-to-Point Protocol (PPP).

The following figure shows how to use your router to connect your Ethernet LAN to the Internet or another WAN.

If you need X.21 or V.35 WAN capability, consider one of the GT 60 Series routers from OpenROUTE Networks.
If you need dialup ISDN services, consider one of the GT 70 Series routers from OpenROUTE Networks.

Software Capabilities

The primary protocol that the GT 50 supports is the Internet Protocol (IP), which gives you the capability of communicating over LANs and WANs, including the Internet.

To use IP, you need IP network addresses. Your GT 50 comes with a preconfigured LAN IP address of 192.168.1.1. If your Internet Service Provider (ISP) offers dynamic IP addressing, you can set up your router so that each time you dial into your ISP, the ISP assigns an IP address that is valid for that session. If your ISP does not provide dynamic IP addressing, you need a fixed IP address for your router.

In addition to its preconfigured LAN IP address, your GT 50 comes already configured with default settings that support communication over the Internet and other WANs. The GT 50 uses unnumbered IP over PPP and comes preconfigured on the WAN to auto answer incoming calls using an async modem. The purpose of this default configuration is to provide remote dial-in into the GT 50 so that you can configure it remotely.

You configure the GT 50 by using either the Microsoft Windows-based GT Setup Utility or a command line interface, which has a question and answer script called Quick Config. The Setup Utility guides you through the process of configuring your GT 50, and it provides detailed online Help. See Using the GT Setup Utility on page 22.

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