Qtech QSW-2910-09T-POE-AC/DC [19/212] Command parameter categories

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can invoke history command saved by command line interface and re-execute it. At most 100

history commands can be saved by command line interface for each user. Input ―Ctrl+P‖ to

access last command, and ―Ctrl+N‖ for next command.

1.1.5 Symbols in command

There are all kinds of symbols in command syntax which is not a part of command but used to

describe how to input this command. Table 1-2 makes a brief description of these symbols.

Command Symbols Description

Symbol

Description

Vertical bars |

Vertical bars (|) means coordinate, together using with braces

({ }) and square brackets ([ ]).

Square brackets [ ]

Square brackets ([ ]) mean optional elements.

For example:

show vlan [ vlan-id ]

Braces { }

Braces ({ }) group required choices, and vertical bars ( | )

separate the alternative elements. Braces and vertical bars

within square brackets ([{ | }]) mean a required choice within an

optional element.

For example:

terminal language { chinese | english }

1.1.6 Command Parameter Categories

There are 5 categories command parameter as following:

 scale

Two numerical value linked by hyphen in angle brackets (< >) means this parameter is some

number in the range of those two numbers.

For example: INTEGER<1-10> means user can input any integer between 1 and 10 (include 1

and 10), such as 8 is a valid number.

 IP address

The prompt which is in the form of A.B.C.D. means the parameter is an IP address. A valid IP

address is needed to input.

For example: 192.168.0.100 is a valid IP address.

 MAC address

The prompt which is in the form of H:H:H:H:H:H means the parameter is a MAC address. A