3Com CoreBuilder 3500, Руководство по внедрению

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22 A
BOUT
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Conventions
Table 1 and Table 2 list conventions that are used throughout this guide.
Table 1 Notice Icons
Icon Notice Type Description
Information note Information that describes important features or
instructions
Caution Information that alerts you to potential loss of data or
potential damage to an application, system, or device
Warning Information that alerts you to potential personal injury
Layer 2 switch In figures, a switch that can perform Layer 2 functions
Layer 3 switch In figures, a switch that can perform both Layer 2 and
Layer 3 functions
Table 2 Text Conventions
Convention Description
Screen displays
This typeface represents information as it appears on the
screen.
Syntax
The word “syntax” means that you evaluate the syntax
provided and then supply the appropriate values for the
placeholders that appear in angle brackets. Example:
To set the system date and time, use the following syntax:
CCYY-MM-DDThh:mm:ss
Commands
The word “command” means that you must enter the
command exactly as shown and then press Return or Enter.
Commands appear in bold. Example:
To remove an IP interface, enter the following command:
ip interface remove
The words “enter”
and “type” When you see the word “enter” in this guide, you must type
something, and then press Return or Enter. Do not press
Return or Enter when an instruction simply says “type.”
Keyboard key names If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del.
L2
L2/3