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Фрагмент инструкции
Using the switch's command-line interface (CLI) is very similar to entering commands on a UNIX system. Console Connection To access the switch through the console port, perform these steps: 1. At the console prompt, enter the user name and password. (The default user names are “admin” and “guest” with corresponding passwords of “admin” and “guest.”) When the administrator user name and password is entered, the CLI displays the “Console#” prompt and enters privileged access mode (i.e., Privileged Exec). But when the guest user name and password is entered, the CLI displays the “Console>” prompt and enters normal access mode (i.e., Normal Exec). 2. Enter the necessary commands to complete your desired tasks. 3. When finished, exit the session with the “quit” or “exit” command. After connecting to the system through the console port, the login screen displays: User Access Verification Username: admin Password: CLI session with the Standalone Intelligent Switch is opened. To end the CLI session, enter [Exit]. Console# Telnet Connection Telnet operates over the IP transport protocol. In this environment, your management station and any network device you want to manage over the network must have a valid IP address. Valid IP addresses consist of four numbers, 0 to 255, separated by periods. Each address consists of a network portion and host portion. For example, the IP address assigned to this switch, 10.1.0.1, with subnet mask 255.255.255.0, consists of a network portion (10.1.0) and a host portion (1). Note: The IP address for this switch is obtained via DHCP by default. Command Line Interface To access the switch through a Telnet session, you must first set the IP address for the switch, and set the default gateway if you are managing the switch from a different IP subnet. For example, Console(config)#interface vlan 1 Console(config-if)#ip address 10.1.0.254 255.255.255.0 Console(config-if)#exit Console(config)#ip default-gateway 10.1.0.254 If your corporate network is connected to another network outside your office or to the Internet, you need to apply for a registered IP address. However, if you are attached to an isolated network, then you can use any IP address that matches the network segment to which you are attached. After you configure the switch with an IP address, you can open a Telnet session by performing these steps: 1. From the remote host, enter the Telnet command and the IP address of the device you want to access. 2. At the prompt, enter the user name and system password. The CLI will display the “Vty-n#” prompt for the administrator to show that you are using privileged access mode (i.e., Privileged Exec), or “Vty-n>” for the guest to show that you are using normal access mode (i.e., Normal Exec), where n indicates the number of the current Telnet session. 3. Enter the necessary commands to complete your desired tasks. 4. When finished, exit the session with the “quit” or “exit” command. After entering the Telnet command, the login screen displays: Username: admin Password: CLI session with the Standalone Intelligent Switch is opened. To end the CLI session, enter [Exit]. Vty-0# Note: You can open up to four sessions to the device via Telnet. Entering Commands Entering Commands This section describes how to enter CLI commands. Keywords and Arguments A CLI command is a series of keywords and arguments. Keywords identify a command, and arguments specify configuration parameters. For example, in the command “show interfaces status ethernet 1/5,” show interfaces and status are keywords, ethernet is an argument that specifies the interface type, and 1/5 specifies the unit/port. You can enter commands as follows: • To enter a simple command, enter the command keyword. • To enter multiple commands, enter each command in the required order. For example, to enable Privileged Exec command mode, and display the startup configuration, enter: Console>enable Console#show startup-config • To enter commands that require parameters, enter the required parameters after the command keyword. For example, to set a password for the administrator, enter: Console(config)#username admin password 0 smith Minimum Abbreviation The CLI will accept a minimum number of characters that uniquely identify a command. For example, the command “configure” can be entered as con. If an entry is ambiguous, the system will prompt for further input. Command Completion If you terminate input with a Tab key, the CLI will print the remaining characters of a partial keyword up to the point of ambiguity. In the “logging history” example, typing log followed by a tab will result in printing the command up to “logging.” Getting Help on Commands You can display a brief description of the help system by entering the help command. You can also display command syntax by using the “?” character to list keywords or parameters. Command Line Interface Showing Commands If you enter a “?” at the command prompt, the system will display the first lev...
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