Document Conventions
This documentation uses the following conventions:
Description
Convention
The
^
and
Ctrl
symbols represent the Control key.
For example, the key combination
^D
or
Ctrl-D
means hold down the
Control
key while you press
the
D
key. Keys are indicated in capital letters but are
not case sensitive.
^
or
Ctrl
A string is a nonquoted set of characters shown in
italics. For example, when setting an SNMP
community string to public, do not use quotation
marks around the string or the string will include the
quotation marks.
string
Command syntax descriptions use the following conventions:
Description
Convention
Bold text indicates commands and keywords that you
enter exactly as shown.
bold
Italic text indicates arguments for which you supply
values.
italics
Square brackets enclose an optional element (keyword
or argument).
[x]
A vertical line indicates a choice within an optional
or required set of keywords or arguments.
|
Square brackets enclosing keywords or arguments
separated by a vertical line indicate an optional
choice.
[x | y]
Braces enclosing keywords or arguments separated
by a vertical line indicate a required choice.
{x | y}
Nested sets of square brackets or braces indicate optional or required choices within optional or required
elements. For example:
Description
Convention
Braces and a vertical line within square brackets
indicate a required choice within an optional element.
[x {y | z}]
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
xiii
Preface
Document Conventions
