The appearance of a command line prompt indicates entry to the CLI. Users can configure
and manage routers by entering a series of configuration commands in the CLI.

The CLI has the following characteristics:

enables local or remote configuration through the AUX port

enables local configuration through the console port.

enables local or remote configuration through Telnet or Secure Shell (SSH).

allows logging on to the asynchronous serial interface of a router through modem dial-up

to perform remote configuration

provides a user interface view through which terminal users can perform specific

configuration

provides hierarchical command protection for users of different levels (that is, it supports
running commands based on the corresponding level)

provides local authentication, password authentication, and Authentication,
Authorization and Accounting (AAA) to prevent unauthorized users from accessing the
router

allows the user to enter ? for online Help at any time

provides network testing commands such as tracert and ping for diagnosing network
faults

provides detailed debugging information for diagnosing network faults

uses the telnet command to directly log on to and manage other routers

provides FTP service for uploading and downloading files

provides a function that is similar to DOS-Key for running a history command

provides a command line interpreter, which provides intelligent command resolution
methods such as key word fuzzy match and context conjunction

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Nortel Networks Inc.

Issue 5.3 (30 March 2009)