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Documentation Conventions


Table 1 defines notice icons used in this guide.

Table 1: Notice Icons





Informational note

Indicates important features or instructions.



Indicates a situation that might result in loss of data or hardware damage.



Alerts you to the risk of personal injury.

Table 2 describes the text conventions used throughout this manual.

Table 2: Text and Syntax Conventions




Text Conventions



Bold text like this

Represents commands and keywords in text.

  • Issue the clock source command.

  • Specify the keyword exp-msg.

Bold text like this

Represents text that the user must type.

host1(config)#traffic class low-loss1
Fixed-width text like this

Represents information as displayed on your terminal’s screen.

host1#show ip ospf 2

Routing Process OSPF 2 with Router ID
Router is an Area Border Router (ABR)

  Italic text like this

  • Emphasizes words.

  • Identifies variables.

  • Identifies chapter, appendix, and book names.

  • There are two levels of access, user and privileged.

  • clusterId, ipAddress.

  • Appendix A, System Specifications.

Plus sign (+) linking key names

Indicates that you must press two or more keys simultaneously.

Press Ctrl+b.


Represents the directory into which Steel-Belted Radius Carrier has been installed. The default location is /opt/JNPRsbr/radius on Solaris systems, but any location may be specified during installation.

Change directories to /radiusdir/radiusdir

Syntax Conventions


Plain text like this

Represents keywords.

terminal length

Italic text like this

Represents variables.

mask, accessListName

< > (angle brackets)

Enclose a list of possible selections.

<add | replace>

| (pipe symbol)

Represents a choice to select one keyword or variable in a list of choices that is separated by the pipe symbol.

diagnostic | line

In this example, you must specify add or replace but cannot specify both:

<add | replace>

[ ] (brackets)

Represent optional keywords or variables.

[ internal | external ], or

<add | replace> = Attribute [,Attribute], where the second attribute is identified as optional by the brackets.

When they are used in a configuration files brackets identify a section of the file.

In scripts or in operating system commands, brackets indicate the default response or entry.

[ ]* (brackets and asterisk)

Represent optional keywords or variables that can be entered more than once.

[ level1 | level2 | l1 ]*

{ } (braces)

Represent required keywords or variables.

{ permit | deny } { in | out }

clusterId | ipAddress }