SNR S2940-8G-v2, Configuration Manual

Page: 17 / 420

SNR S2940-8G-v2 Switch Configuration Guide
Switch management
1.2 CLI Interface
The switch provides three management interface for users: CLI (Command Line Interface) inter-
face, Web interface, Snmp network management software. We will introduce the CLI interface
and Web configuration interface in details, Web interface is familiar with CLI interface function and
will not be covered.
CLI interface is familiar to most users. As aforementioned, out-of-band management and Telnet
login are all performed through CLI interface to manage the switch.
CLI Interface is supported by Shell program, which consists of a set of configuration com-
mands. Those commands are categorized according to their functions in switch configuration and
management. Each category represents a different configuration mode. The Shell for the switch
is described below:
• Configuration Modes
• Configuration Syntax
• Shortcut keys
• Help function
• Input verification
• Fuzzy match support
1.2.1 Configuration Modes
User Mode
On entering the CLI interface, entering user entry system first. If as common user, it is defaulted
to User Mode. The prompt shown is
Switch> , the symbol > is the prompt for User Mode. When
exit command is run under Admin Mode, it will also return to the User Mode.
Under User Mode, no configuration to the switch is allowed, only clock time and version infor-
mation of the switch can be queries.
Admin Mode
To Admin Mode sees the following: In user entry system, if as Admin user, it is defaulted to Admin
Mode. Admin Mode prompt
Switch# can be entered under the User Mode by running the enable
command and entering corresponding access levels admin user password, if a password has
been set. Or, when exit command is run under Global Mode, it will also return to the Admin Mode.
Switch also provides a shortcut key sequence
Ctrl+z , this allows an easy way to exit to Admin
Mode from any configuration mode (except User Mode).
Under Admin Mode, the user can query the switch configuration information, connection status
and traffic statistics of all ports; and the user can further enter the Global Mode from Admin Mode
to modify all configurations of the switch. For this reason, a password must be set for entering
Admin mode to prevent unauthorized access and malicious modification to the switch.
17