3Com Router 6000 FamilyInstallation ManualChapter 1Starting and Configuring the Router3Com Corporation4-7Upon completion of the upgrade the router reboots with the running Boot ROMupgraded.4.2 Router Configuration Basics4.2.1 Basic Configuration ProceduresThe following are the general procedures for configuring the router:Step 1: Before working on the router, fully comprehend network requirements, such asnetworking purpose, position of the router on the network, subnetting, type of the WAN andtransmission medium, security policy and reliability.Step 2: Based on the requirements, draw a clear and complete networking diagram.Step 3: Configure the WAN interface on the router.z First, configure the physical operating parameters (such assynchronous/asynchronous serial interface, baud rate and synchronization clock)of the interface according to the transmission medium of the WAN. For thedial-up interface, you also need to configure DCC parameters.z Then, configure the link layer protocol and the related operating parametersaccording to the type of the WAN.Step 4: Assign an IP address or IPX network number to each interface on the router accordingto subnetting.Step 5: Configure routing. When enabling a dynamic routing protocol, you also need toconfigure the related operating parameters.Step 6: Configure the security settings as needed.Step 7: Configure the reliability settings as needed.For more information on the protocols and functions provided by the router, refer to V2.41Configuration Guide.4.2.2 Command Line InterfaceI. Characteristics of the command line interfaceThe command line interface (CLI) available with the 3Com Router 6000 providescommands for configuring and managing the router. It supports:z Configuring the router locally through the console port.z Telneting to the router to configure it locally or remotely; telneting from the routerto other routers to manage them.z Getting online help whenever you want by entering a question mark (?).z Testing reachability of networks quickly with tools, such as tracert and ping.z Rich debugging information for network diagnosis.