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48 Chapter 3: Starting and Configuring the Router 5000
Configuration
Fundamentals of
the Router
In general, the configuration steps are as follows:
1 Before configuring the router, the networking requirements should be
made specific, which include networking purpose, the role of the router
in the network, the division of subnets, WAN type and transmission
medium, the network security policy and reliability.
2 Based on the above requirements, draw a clear and integrated
networking diagram.
3 Configure the WAN interface of the router. First, configure the physical
operating parameters (e.g., the operating mode of the serial interface,
baud rate and synchronous clock) of the interface according to the
transmission medium of the WAN. For the dial-up interface, the user also
needs to configure DCC parameters. Then, configure the link layer
protocol encapsulated on the interface and the related operating
parameters according to the WAN type.
4 Configure the IP addresses or IPX network numbers of all the interfaces
on the router according to the division of the subnets.
5 Configure the routes. If it is necessary to enable a dynamic routing
protocol, the user should configure the related operating parameters of
the protocol.
6 If special security is required, perform the security configuration for the
router.
7 If special reliability is required, perform the reliability configuration for the
router.
Command Line
Interface
Characteristics of the command line interface
The command line interface of the Router 5000 provides a number of
configuration commands, which can be used to configure and manage
the router. The command line interface has the following characteristics:
■ Performs the local configuration through CON port.
■ Performs the local or remote configuration through telnet command,
which can be used to directly log on and manage other routers.
■ Users can enter ? anytime to get online help.