H3C S5120-SI Series Command Reference Manual page 6

Chapter
41-IP Source Guard
42-Appendix
Conventions
This section describes the conventions used in this documentation set.
Command conventions
Convention
Boldface
italic
[ ]
{ x | y | ... }
[ x | y | ... ]
{ x | y | ... } *
[ x | y | ... ] *
&<1-n>
#
GUI conventions
Convention
Boldface
>
Symbols
Convention
IP Source Guard Configuration Commands
Command Index
Bold text represents commands and keywords that you enter literally as shown.
Italic text represents arguments that you replace with actual values.
Square brackets enclose syntax choices (keywords or arguments) that are
optional.
Braces enclose a set of required syntax choices separated by vertical bars,
from which you select one.
Square brackets enclose a set of optional syntax choices separated by vertical
bars, from which you select one or none.
Asterisk marked braces enclose a set of required syntax choices separated by
vertical bars, from which you select at least one.
Asterisk marked square brackets enclose optional syntax choices separated by
vertical bars, from which you may select multiple choices or none.
The argument or keyword and argument combination before the ampersand (&)
sign can be entered 1 to n times.
A line that starts with a pound (#) sign is comments.
Window names, button names, field names, and menu items are in Boldface.
For example, the New User window appears; click OK.
Multi-level menus are separated by angle brackets. For example, File > Create
> Folder.
Means reader be extremely careful. Improper operation may cause bodily
injury.
Means reader be careful. Improper operation may cause data loss or damage to
equipment.
Means an action or information that needs special attention to ensure
successful configuration or good performance.
Means a complementary description.
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Content
Description
Description
Description