81CLI BasicsYou can manage the Ethernet Routing Switch 2500 Series with the followingmanagement tools:• Device Manager (GUI)• Web-based management system• Command Line Interface (CLI)The Ethernet Routing Switch 2500 Series Command Line Interface (CLI) isa management tool that provides methods for configuring, managing, andmonitoring the operational functions of the switch. You can access CLIthrough a console terminal directly connected to the switch Console port,remotely through a dial-up modem connection, in-band through a Telnetsession. For a complete, alphabetical list of CLI commands, see Appendix"Command List" (page 353).You can use the CLI interactively, or you can load and execute CLI "scripts."CLI scripts are loaded in one of the following ways:• Entering the configure network command• Manually loading the script in the console menu• Automatically loading the script at boot-upThis chapter contains information about the following CLI topics:• "CLI command modes" (page 82)• "Port numbering" (page 85)• "Accessing CLI" (page 86)• "Setting the system username and password" (page 87)• "Getting help" (page 87)• "Basic navigation" (page 87)• "Managing basic system information" (page 96)• "Managing MAC address forwarding database table" (page 98)Nortel Ethernet Routing Switch 2500 SeriesOverview — System ConfigurationNN47215-500 (323162-B) 02.02 Standard4.1 19 November 2007Copyright © 2007, Nortel Networks.